Noticeable bulge allows the water to make a smoother turn to maintain similar flow characteristics as standard full flow fittings. We now offer a comprehensive range of pvc pipe and pvc fittings, pvc valves, cast iron and steel valves, saddles, compression fittings, as well as polyethylene (PE) butt weld and electro fusion fittings for HDPE pipe, to the agricultural and industrial market. com 800-558-5236 6 GENERAL DATA GRINNELL MECHANICAL PRODUCTS - CONNECTING THE WORLD NORTH AMERICA CORPORATE OFFICE Lansdale, Pennsylvania Manufacturing Facilities. The pressure loss through a fitting is often calculated by establishing the equivalent length of duct for each fitting. Learn more about the units used on this page. PVC pipe has spigot ends and must connect to hub connections on both ends. Nanovolume® (100. Allowable pressure drop is not to exceed 1 psi. Standard specifications for forged or rolled steel pipe flanged forged fittings and valves and parts for general service. Equivalent Length of Fittings and Valves The application is best viewed using a resolution of 1024x768 pixels. to stop flow, 2. of miters) WELDING TEES VALVES (screwed, flanged, or welded). Durable stainless steel bellows eliminate gland leakage. The former expresses the conservation of mass, the later the conservation of mechanical energy. The Contractor shall furnish and install ductile iron pipe, fittings, valves, special items, and all appurtenant work, complete in place, all in accordance with the requirements of the Contract Documents. To be one of hygienic fittings manufacturer in China, Wellgreen supplies an extensive food grade stainless steel fittings for food, beverage, dairy, winery etc. com 90° and 45° Long Radius Elbows - ANSI B16. The slopes of the lines were found by linear regression. Never swap threads if it is a high pressure application. Dia through 54 in. SharkBite Angle Stop combines push-to-connect technology with an angle stop quarter turn brass ball valve allowing the valve to control water flow to household plumbing fixtures, and provides easy shut-off of water flow for maintenance and repair. Romac's DJ400 and DJ405 dismantling joints are telescoping flanged fittings which can be length-ened and shortened, allowing access to valves, pumps and other fittings. For example, if you construct an oil trap using two 45° elbows, one short and one long 90° elbow in a ¾” diameter suction line, the additional equivalent length would be 0. The fitting should be in the KunlockedL position, this is shown by a small gap between the screwcap and the body flange. PIPE-FLO Professional Method of Solution 5 Valves and Fittings In order to include valves and fittings into the calculation of the pipeline pressure drop, a K value must be computed for each valve and fitting and added to the total K value of the pipe used in the Darcy equation. The use of cast-iron pipe was introduced in the United States in the early 1800s. This specification is applicable to fabricated fittings, as constructed by Harrison Machine & Plastic Corporation, as they pertain to (CPVC) Chlorinated Polyvinyl Chloride Schedule 40 & Schedule 80 fitting configurations. ) Relief devices 7. Pipes, fittings and valves of PVDF are uncoloured and opaque (milky, translucent). Other lengths can be fabricated - see page 9. Standard Hard Copper Pipe. Examples of CGA fittings would be CGA-580 for Non-flamable, Non-oxidizing gasses such as Nitrogen, Argon, or Helium. This article details the calculation of pressure losses through pipe fittings and some minor equipment using the equivalent length method. The "equivalent lengths" of some common fittings are listed below. Explanation to Equivalent Length. conductive when using the rocker valve/intensifier on or near electric lines. ENGINEERING INFORMATION - PIPE RESISTANCE AND MUELLER PRODUCT FLOW DATA 16. Cast Bronze 90 Deg. 6 schedule 80 fittings tee s x s x s pvc part no. loss, add to the total line length, the equivalent length of the line of each valve or fitting. FIRST EDITION. FORGED FITTINGS PFC CORPORATION • 76 Welding Type & Thread Type PRESSURE RATINGS The Fittings shall be designated as pressure classes 2000, 3000 and 6000 for threaded end fittings and class 3000, 6000 and 9000 for socket-weld end fittings Table 1. to stop flow, 2. For example a 34'-0" length of 3" schedule 40 pipe having 2 90 degree elbows, a gate valve and 3 tee fittings, where flow is turned 90 degrees, would have a total equivalent length of:. Equivalent products from other manufacturers may be available and may be submitted for approval. Ideal for high speed, high throughput nano flow LC techniques. Resistance coefficient should be used with pressure drop calculator or with gas compressible flow calculator to calculate pressure drop in the piping system that includes obstructions like fittings and valves. required Cv for valve Cv syst 2 for fittings and tube Cv syst 2 If tube system has 3 meters of nylon pipe and 6 KQ fittings we can consider this as 9 (3 6) elements so Cv for each fitting element needs to be: Cv syst 2 9 9 elements assumed all equal P (assumption 50% P valves 50% P tube etc) The SMC fittings are quoted with effective orifice of. PHLN and PLN have different length. Get the App for your iPhone, iPod, or iPad. Valves,open or partially closed 5. restrained length (typical) restrained mechanically fittings to be (typical) restrained mechanically fittings to be. Hose fittings, quick release, couplings adaptors, swivel joints and valves. If the pipe length is "L", then after L÷A seconds the wave will be at the upstream end. Determine your air compressor's maximum CFM. The above is just a tiny sample of the pvc fittings carry. FIGURE B PUMP CAPACITY based on total Fixture Units* STEP #1 Determine the type and quantity of each plumbing fixture. Circuit Balancing Valves - 2inch to 12inch | Armstrong Fluid Technology. These valves are able to be installed inline and look very much like a large fitting. It is also desirable to restrain a valve to resist the moment created during the opening and closing operation. Hand-tightening provides a metal-to-metal seal. When a tentative pipe size has been selected, the equivalent pipe lengths for the estimated valves and fittings can be estimated by using Figure 5-2. 3 115 139 222 matthew davis australia pty. FYI: the solution gives an equivalent length of 125 for a check valve, 11 for a gate valve, and 31 for a long sweeping elbow. Class 125 fittings are a subclass of schedule 40 large diameter fittings. Spears® offers a wide range of lead-free specialty fittings and transition adapters for plumbing applications. This application is a calculator for calculating ‘Equivalent Length of Fittings and Valves’. ENGINEERING INFORMATION - PIPE RESISTANCE AND MUELLER PRODUCT FLOW DATA 16. fittings are found throughout the world in installations for the chemical, fertil - izer, pulp and paper, marine, food, beverage and other process industries. Fittings and pipe should be kept clean, bagged and undamaged before use. Unlike other fittings, SharkBite Universal brass push-to-connect fittings can be removed and re-used if changes are necessary. Solution: Equivalent lengths are found in Table I. FINDING EQUIVALENT PIPE LENGTHS …Of Valves, section changes, and miter bends. is a Parker hydraulic and pneumatic parts distributor in California and Nevada, providing customers with solutions to hydraulic and pneumatic challenges and quality Parker parts since 1978. 14 m) of 1-3/8 inch (35 mm) piping • 4 long radius elbows • 1 filter drier • 1 sight glass • 1 globe type isolating valve. Fittings may be flared or compression as applicable, in accordance with AWWA C-800. and Vermont Act 193. restrained length min. An estimate of the equivalent lengths of the fittings can be provided using the adjacent program or accepted on an approximate basis by adding 60% onto the length of the straight pipeline, e. 8 Radii of Coiled Expansion Loops and Developed Lengths of Expansion Offsets; Table 14. fittings, such as valves, elbows, contractions and expansions. system units) Equivalent Length of Pipe Equivalent lengths of pipe (L) are determined from the formula: (U. 25m half random lengths. Also, for engineers not familiar with the concept of equivalent length, the equivalent length is the length of straight pipe which produces a pressure loss equivalent to the straight pipe lengths plus the losses in elbows, tees, valves, reductions and expansions. Pipe Fittings The right fitting, the right price, delivered right to you! Searching for just the right fittings can be a real hassle -- driving from store to store, order minimums, etc. E-Pneumatic offers wide variety of pneumatic equipment including solenoid valves, pneumatic cylinders, all kind of pneumatic fittings, air hoses, pneumatic tools and many many more. A very simple way to calculate the equivalent length is to count on the pipe layout the length of horizontal pipe, vertical pipes and the number of bends. Chrome moly alloy is typically available as seamless pipe, heater tubes, flanges, fittings, and welded pipe. Check valves must be installed at a reasonable. Fittings and pipe should be kept clean, bagged and undamaged before use. We put together this list of awesome FREE resources just for you!. Swagelok equivalent fittings : Manufacturer, Stockiest & Supplier : Contact Us For Your Requirement Of Swagelok equivalent fittings ! Swagelok equivalent fittings for high pressure are manufactured at KSC. 3 lists some common fittings and the length of connecting pipe (in diameters) that yields the same viscous loss. The gate or ball valve shall be located on the discharge side Of the backwater or check valve. 1 Deviation of Loss Coefficient Kg for Water and Suspensions In 2-in Pipeline 90 4. It is also possible to expand the end of one tube so that it can be joined to another by soldering or brazing without a capillary fitting—a procedure. 4 metres longer than it actually is. Loss caused by pipe friction can be calculated when the pipe size, pipe length and flow through the pipe are known. is the equivalent length and is the diameter of the pipe. Butterfly valve. 2 DUCTILE-IRON PIPE AND FITTINGS had been achieved in producing lower-cost iron by using coke instead of charcoal. Loss through valves and fittings. Nominal diameter. 14 m) of 1-3/8 inch (35 mm) piping • 4 long radius elbows • 1 filter drier • 1 sight glass • 1 globe type isolating valve. Wolseley Industrial Group is the leading North American supplier of pipe, valves and fittings (PVF). Maintain a solid column of liquid at the expansion valve. REDUCERS The unbalanced force is generated by the pressure. Typical values can be obtained from the following Table. Early in 2018 the Effast Group joined forces with Helikaon Investments. This page is giving the equivalent length of some common fittings and valves, it can be especially useful for shortcut calculation during preliminary studies or troubleshooting. The fittings friction ∆H. CPVC Schedule 80 Pipe and Fittings 36 Polypropylene Schedule 80 Pipe and Fittings 37 Polyvinylidene Fluoride (PVDF) Schedule 80 Pipe and Fittings 37 Tru-Bloc, True Union Ball Valves 38 Bleach Ball Valve 38 Ball Check and Foot Valves 39 Model "B" Butterfly Valve 39 Model "C" Butterfly Valve 40 PVC Specialty Valves 40. Search keyword(s) Type. The equivalent lengths presented above are based upon a C factor of 150 in the Hazen-Williams friction loss formula. Offering economical solutions to welded pipe and fittings, we stock a full range of sizes at affordable cost saving prices. 2 at a flow rate of 10 gal. Pressure losses in fluid flow through straight pipes and fittings Oldřich Holeček 1 Basic relations and definitions The description of fluid flow in conduits is based on (i) the continuity equation and (ii) the Bernoulli equation. If large wedge gate valves are mounted with stems horizontal in a horizontal pipe, gate guides should have a minimum length of 50% of the valve DN (NPS). Waverley Brownall provide a range of stainless steel tube fittings, valves, flanges and gas release flaps. FITTING EQUIVALENT LENGTHS Pressure losses in fittings are due to the turbulence created as water flows through the fitting. The pressure loss through a fitting is often calculated by establishing the equivalent length of duct for each fitting. ) This series discusses valves and fittings and evaluates how these devices affect the operation of piping systems. Drop Ear Elbow - Copper to Female NPT. PRESSURE DROP FOR FLOW THROUGH A STANDARD ANSI PIPE WITH FITTINGS. The Drip Store has fittings for any 3/4" drip irrigation poly tube. LENGTH AND EFFECTIVE LENGTH. Cross References Tube Fitting - Fittings Cross Reference Valve - Ball Valve - EB Series. gov/app/details/CFR-2009-title46-vol2/CFR-2009-title46-vol2 46 CFR. to keep a constant direction of flow, and 3. Shop hose fittings for coolant lines, welding and pneumatic systems, plus check out an extensive selection of tube fittings in both metal and plastic. 64 for more information). Ground plug shutoffs are. CONTACTS Email: [email protected] Equivalent length is the length of pipe with diameter and friction factor having the same energy loss as a fitting. 25m lengths, in terms of connections we can supply tube with plain ends, BSPT taper screwed and socketed as well as grooved ends. 1 fittings, but differ slightly in wall thickness. Equivalent length of a pipe is a term applied to express the pressure drop generated by valves and fitting in a pipe. If the T-Bolts that come with the kit are not long enough for the assembly, use a coupling nut and Grade 5 all thread to make up the length required. Pipe Fitting Losses Pressure loss in a pipe due to fittings such as elbows, tees, valves, expanders and reducers based on 3K and 2K method. Straight, elbow, wye (Y), cross, tee, swivel and even more styles are available. ILLUSTRATION A Air Gap Drawing #1 890. Worldwide Shipping, First Class Products and Rock Bottom Pricing. From sch 40 to sch 80, we carry couplings, unions, valves and more. TECHNICAL BULLETIN TB-### Installation Comments SEACOCK INSTALLATION. The three values chosen for friction loss correspond to, in US units inch water column per 100 feet, 0. Purchasers receive a one-year subscription for cloud-based access to the Duct Fitting Database ver. Pipe Fittings Loss Calculations with K Factors Pipe fittings, valves and bends usually have some associated K factor or local loss coefficient, which allows the calculation of the pressure loss through the fitting for a particular fluid flowing at a specified velocity. Full Port Ball Valves vs Standard Port The difference is the relative size of the flow path through the valve body Bore Size • The difference between a standard ball valve and a full-port ball valve is in the size of the ball and bore in relation to the nominal pipe size of the valve. ILLUSTRATION B Air Gap Drawing #2. Where would I find a quick list of equivalent lengths for generic fittings for materials other than steel and cast iron? TIA. Fittings 10 Brass Drain Cocks/Ground Plug Shutoff Series V402P - V406P Applications and pressure range: Both external and internal-seat drain cocks are manufactured to the highest quality standards. ) of Non-Ferrous Valves and Fittings (Brazed) Tube Size (Inches) 1-1/8 Globe Valve 102 115 Angle Valve Short Radius Long Rådius 2. This value is the comparison “length” of this fitting to an equivalent length of straight pipe or duct. It is sold under our brand KSLOK Swagelok equivalent fittings. Item name & type Condition (L/D) EQ No. Hence, the pressure losses in fittings are constant for a given flow (Q), regardless of the type of pipe used to construct the system. Equivalent Length in Pipe Diameters Description (LID) _- Globe valves. The yoke sleeve is of forged stainless steel material having a high melting point and is resistant to wear and corrosion. dwn chkd apvd mdld reg apvl title sheet in [mm] primary / secondary units this print is the property of milwaukee valve company, inc. pmtvalvesfittings. Series 815W and 815L Valves Series 830W and 830L Valves Series 835 Valves Series 860W and 860L Valves. The depth measurement is critical. Pressure drops in valves and fittings are calculated with the loss. 6 x 3 1/2 9 19 28 0. Teflon tape or pipe thread sealant is not required. the equivalent length of run is 15 + 10 = 25 feet. It is also desirable to restrain a valve to resist the moment created during the opening and closing operation. Carbon Steel Pipe and Fittings (D-t) t x 0. 25m half random lengths. fitting that is equivalent to frictional losses caused by a straight pipe of length (L/D) e, where. The pressure loss in pipe flows is commonly referred to as head loss. The Ultimate Hose Supplier. fittings sized in accordance with the ASTM D 3982-92, Standard Specification for Contact Molded Fiberglass Duct and Hoods (replaces NBS Voluntary Product Standard PS 15-69). Pressure drop in fittings Head Loss in Fittings is frequently expressed as the equivalent length of pipe that is added to the straight run of pipe as shown below. Data set for varying length The experiments were repeated for a series of pipe lengths. • Damaged fittings, connectors, quick couplers, and hoses may fail at or below their rated working pres-. ASTM specifications for weld fittings and flanges. The valve opens and remains open with zero pressure drop (Figures 3A, 3B). The design has undergone extensive strain-gauge and pulsation testing. 3-G, ASME B31. Typical values can be obtained from the following Table. sheets Valve Selection & Spec. Flanges Weld Fittings ASTM MATERIAL CODES: STAINLESS STEELS Pipe: Valves Flanges: Weld Fittings Screwed & Socket Fittings: A312 T304 A182 F-304/A351. JIC Fittings & Parker Fittings 37° JIC adapter fittings have a 37° cone seat on the female adapter and a 37° flare on the male adapter. In fact, this equivalent length is about 0. Fittings 10 Brass Drain Cocks/Ground Plug Shutoff Series V402P - V406P Applications and pressure range: Both external and internal-seat drain cocks are manufactured to the highest quality standards. When connecting wafer or lug type butterfly valves directly to Victaulic fittings using Style 741 or Style 743 flange adapters, be sure to check disc clearance dimensions with I. Fitting e L D 45O elbows 15 90O elbows, std radius 32. Ammonia Refrigeration eTool. Examples of CGA fittings would be CGA-580 for Non-flamable, Non-oxidizing gasses such as Nitrogen, Argon, or Helium. Spears® offers a wide range of lead-free specialty fittings and transition adapters for plumbing applications. See below table for elbow and tee losses. Intended for use only in grooved piping systems. 3) Fittings are SDR 11 and comply with ASTM D 2846 standard. The effective pipe length is the sum of the measured pipe length (d) and the equivalent pipe lengths for fittings (e) and draw-offs (f). Welcome to FITOK Group: Founded in 1998, FITOK Group is an industry-leading developer and manufacturer of superior high-quality instrumentation valves and fittings. Taps and valves Head loss through stop valves isng relatively large, see Table 2 for equivalent lengths. *PFA is an ingredient commonly branded as Teflon®. Item name & type Condition (L/D) EQ 1 Globe valve 6 Butterfly valve Fully open 40 A Plug type seat Fully open 340 B No bevel w/pin guide Fully open 450 7 Cock valve C Y patern 60 degrees Fully open 175 A Straight Fully open 18. This is our valve C v calculator. The Romac DJ400 combines a flanged spool piece with restraint tie-rods in one easy-to-use assembly. Fitting Pressure Loss Calculator Find the equivalent feet of pipe to add to the pressure loss equation to calculate pressure losses in plastic IPS or copper type fittings. An estimate of the equivalent lengths of the fittings can be provided using the adjacent program or accepted on an approximate basis by adding 60% onto the length of the straight pipeline, e. CGA Fitting Reference. 1 m) of 1/2 in. › Fitting Pressure Classification: › Socket fittings PN35 unless shown otherwise › Spigot fittings PN35 unless shown otherwise › Flange fittings PN16 (Standard flanges) PN35 (Optional high pressure flange) Socket and Spigot fittings are also available in light weight PN16. Hence, the pressure losses in fittings are constant for a given flow (Q), regardless of the type of pipe used to construct the system. Download the Spec Sheet PDF Hygienic Stainless Steels stock a full range of hygienic tubes according to EN 10357/EN 10217- 7 (formally DIN 11850) in 304 & 316L stainless steel. The NFPA 15 Standard has equivalent lengths for valves and fittings based on the type of valve or fitting and the pipe size. The cylinders are shipped with a maintenance record card and protective shipping cap attached to the threaded neck of each cylinder. Omegaflex® air line tubing is made from 95A shore durometer, ether-based polyurethane and is an excellent choice for compressed air systems. Typically known are the flow rate, temperature and corresponding viscosity and specific gravity of the fluid that will flow through the pipe. C Equivalent Length of Pipe for Friction Loss in Schedule 40 CPVC Fittings 418 Table B. fittings are found throughout the world in installations for the chemical, fertil - izer, pulp and paper, marine, food, beverage and other process industries. that no data were available to allow the calculation of two-phase pressure losses in valves and fittings. Pipe Fittings Database. Tube in the soft temper can be joined by the same techniques and is also commonly joined by the use of flare-type and compression fittings. You can read part 1 here. *PFA is an ingredient commonly branded as Teflon®. We’ll assume that the pump. Offering a complete selection of process measurement and control equipment, backed by industry leading experts and superior customer service. Titan Fittings manufactures over 10,000 different line items from the highest quality 316 stainless steel. 1 assigns equivalent pipe lengths to fittings. Valves and fittings connect pipelines, direct flow, and isolate equipment and parts of a piping system. Double Door Check Valves are extremely short in length, i. restrained length min. Fitting 900 Elbow 450 Elbow Gate valve Tee Flow Run Tee Flow Branch Male/Female Adapter 1/2 1. Users of hydraulic hose wanted a product to be able to convey high pressure across a distance with the flexibility not found in metal. ) This series discusses valves and fittings and evaluates how these devices affect the operation of piping systems. This Demonstration estimates the equivalent length of a pipe that determines the frictional pressure drop in fluid flow by converting the number of fittings and valves into an analogous length and adding it to the actual length. Cross References Tube Fitting - Fittings Cross Reference Valve - Ball Valve - EB Series. Many designers simply add 50 percent of the actual length of piping as an all-inclusive fitting allowance (i. Kinks or sharp bends in lines will increase vacuum. Pipe Fittings Loss Calculations with K Factors Pipe fittings, valves and bends usually have some associated K factor or local loss coefficient, which allows the calculation of the pressure loss through the fitting for a particular fluid flowing at a specified velocity. THE DIFFERENCE BETWEEN EQUIVALENT. OD ST XS 160 XX Long R A Short R A Long R K Short R K B C E C F G 1/2 0. When establishing proper hose length, motion absorption, hose length changes due to pressure, as well as hose and machine tolerances must be considered. When you go from 6" round to 6" oval, you get 110' of equivalent length. 1 Cast Iron Pipe Flanges and Flanged Fittings. This example is an actual commercially-available relief valve. Straight, elbow, wye (Y), cross, tee, swivel and even more styles are available. The NFPA 15 Standard has equivalent lengths for valves and fittings based on the type of valve or fitting and the pipe size. To be one of hygienic fittings manufacturer in China, Wellgreen supplies an extensive food grade stainless steel fittings for food, beverage, dairy, winery etc. • Number of ports: most of the valves have two port, named inlet and outlet port. The Drip Store has fittings for any 3/4" drip irrigation poly tube. Order System Syzer Calculator Wheel from local representative. restrained length min. Pressure drop in fittings Head Loss in Fittings is frequently expressed as the equivalent length of pipe that is added to the straight run of pipe as shown below. 0 mm) in a variety of straight and reducing styles. Minimum lengths shall conform to the following:. fitting that is equivalent to frictional losses caused by a straight pipe of length (L/D) e, where. We now offer a comprehensive range of pvc pipe and pvc fittings, pvc valves, cast iron and steel valves, saddles, compression fittings, as well as polyethylene (PE) butt weld and electro fusion fittings for HDPE pipe, to the agricultural and industrial market. Fittings commonly used in the industry include bends, tees, elbows, unions, and of course, valves used to control flow. (1,219-mm) butterfly valve, 211. like equivalent length, please refer to the IIAR Piping Handbook and the ASHRAE Handbooks. Leader in Thermoplastic Piping Systems IPEX USA LLC supplies one of the world's most diverse lines of integrated thermoplastic piping systems-pipe, valves, fittings, auxiliary components and tools-all engineered from the ground up to handle the full range of today's municipal, industrial and electrical applications. This example is an actual commercially-available relief valve. Equivalent Lengths: The equivalent lengths for all types of fittings and valves used shall be provided. It has been found experimentally that if the equivalent lengths for a range of sizes of a given type of fitting are divided by the diameters of the fittings then an almost constant ratio (i. We specialize in industrial applications that require heavy-duty hoses such as rubber hydraulic and industrial hose assemblies. RATING: 125 psi WSP 200 psi WOG 353° F SAMPLE SPECIFICATION: Ball valves shall be of the floating-ball design providing bi-directional, tight shutoff in accordance with MSS SP-72. Ball Valves. According to the International Standard ISO 9001:2000, the manufacturer must produce according to the latest version of the products Standards ISO and EN. ) 5/16 3/8 5/8 3/4 7/8 1/8 3/8 1 5/8 Equivalent Lengths Of Valves And Fittings Short Radius Long Radius Solenoid Sight Glass. o Elements of Total Dynamic Head - Static Head, Pressure Head, Velocity Head, Friction Head. We carry valves ranging in size from 1/2 inch to 6 inches, but larger options may be available if needed. Data set for varying length The experiments were repeated for a series of pipe lengths. ball valves TruConnect ® fittings for Chem-Aire Downloadable catalogs (PDF format) On-line product listings with spec. 3 Bends, Fittings and Valves Used In 1-ln Pipeline 32 3. For flow in a circular pipe, an expression for the head loss due to skin friction can be developed by applying the principles of conservation of energy and linear momentum [1]. 6 schedule 80 fittings tee s x s x s pvc part no. L e = equivalent length (length of pipe with same resistance as the fitting/valve) f T = friction factor. to keep a constant direction of flow, and 3. Data Bolt Templates General Welding Information Conversions Drop Nipple and Tee-Let Installation Pipe Thread Standards GRUVLOK® INSTALLATION AND ASSEMBLY Figures 7000 & 7001 Couplings 1. https://www. The following table gives flow rate Q such that friction loss per unit length Δp / L (SI kg / m 2 / s 2) is 0. For center-to-face dimensions, see fittings tables. In literature, you usually find ratios of equivalent length to diameter of the. BestBuyHeatingAndAirConditioning. The slopes of the lines were found by linear regression. Ideal for high speed, high throughput nano flow LC techniques. To select the correct valve to fulfill these functions properly, an outline of the different types of valves and their features is given below. The CERM only gives equivalent length values for steel and cast iron. Spears® PVC and CPVC Pipe, Fittings and Valves have always been lead-free and Certified by NSF International for use in potable water systems. So the pressure drop in the elbow can be included by pretending that the 15mm pipe is really straight, but 0. It is sold under our brand KSLOK Swagelok equivalent fittings. LANL Engineering Standards Manual PD342 Chapter 17 Pressure Safety Section D20-B31. *PFA is an ingredient commonly branded as Teflon®. Typical values can be obtained from the following Table. When fl ow passes. 6 feet (refer to table 2). BestBuyHeatingAndAirConditioning. AMERICAN Ductile Iron Flanged Fittings ANSI/AWWA C110/A21. Most equivalent lengths are just approximations and work people did decades ago but the internal workings of different valves from different vendors will make a difference. The fitting should be in the KunlockedL position, this is shown by a small gap between the screwcap and the body flange. DO NOT DISASSEMBLE. gate valves (refer to table) tees reducers min. Romac's DJ400 and DJ405 dismantling joints are telescoping flanged fittings which can be length-ened and shortened, allowing access to valves, pumps and other fittings. k to make certain length mark is tangent to desired angle on Chec. 3 lists some common fittings and the length of connecting pipe (in diameters) that yields the same viscous loss. 2) Rates per piece in Rs. The data, especially for valves, are somewhat dependent upon the particular manufacturers design. The lengths shown are rounded to the nearest half foot. 0 ft 1—5" gate valve at 2. restrained length min. To use the Disconnect Clip. Orifice Fittings Orifice Fittings and Meter Tubes The Most Trusted Name In Measurement Introduction Throughout the oil and gas industry, there stems the need for accurate, economical measurement of pro-cess fluids and natural gas. 28 Short Radius Elbows and Returns WELDING BEVEL MSS SP-43 Fittings furnished to this standard may be. Medium- and High-Pressure Fittings, Tubing, Valves, and Accessories 1 MEDIUM- AND HIGH-PRESSURE www. Example: Assume you’re using 1¼-inch pipe, with three 90-degree elbows and 1 check valve. Intended for use only in grooved piping systems. CGA Fitting Reference. Equivalent length, (L/D ) EQ of valves and pipe fittings. Kinks or sharp bends in lines will increase vacuum. EB Series encapsulated ball valves are cross referenced to Swagelok® 40 Series valves and Parker® MB Series valves. Equivalent feet (or length) refer to the number of feet of straight duct that imposes the same resistance to air flow as a particular fitting. Ductile iron C110/A21. Check valves are flow sensitive and rely on the inline fluid or gas pressure to. Constance, P. But for same applications there are multi-port configured valves. 328 volumes based on assuming each fitting being a 8 x 5 12 37. S901-2 MATERIALS S901-2. Some of the above fittings are not listed in AWWA C110 but do meet applicable requirements of AWWA C110. The concept of the resistance coefficient 'K' for valves and ffitings was in fact introduced through this paper. (g) Effective pipe length. It includes 30' of 4" pipe, a 90 deg elbow, a check. It is sold under our brand KSLOK Swagelok equivalent fittings. Ground plug shutoffs are. Application • FireLock™ fittings are designed for use exclusively with Victaulic couplings that have been Listed or Approved for Fire Protection Services. For example a 34'-0" length of 3" schedule 40 pipe having 2 90 degree elbows, a gate valve and 3 tee fittings, where flow is turned 90 degrees, would have a total equivalent length of:. length to be taken up in order to prevent extra strain on the pipes. Split-wedge and. The approach does not consider turbulence and subsequent losses created by different velocities. However, common (and lazy) practice is to call the dimensionless ratio L EFF /D the equivalent length, even though it is actually a ratio and not a length at all. To use the Disconnect Clip. Fittings may be flared or compression as applicable, in accordance with AWWA C-800. To buy fittings, specify the type of fitting you need and the kind and size of pipe: “I need a 90-degree sweat-solder elbow for ¾ inch copper,” for example. 4 metres for a 15mm elbow. atlassteels. The installation instructions supplied with each Suntec fuel unit shows line lengths based on calculations from the above formula. From sch 40 to sch 80, we carry couplings, unions, valves and more. Example: Assume you’re using 1¼-inch pipe, with three 90-degree elbows and 1 check valve. Supply and Demand Graph(s): A graph comparing the water supply and the sprinkler and hose stream demand for each remote area shall be provided. These needle valves, fittings, line filters, check valves, safety heads, rupture discs, anti-vibration gland assemblies, tubing and nipples are engineered to. conductive when using the rocker valve/intensifier on or near electric lines. Long method for determining equivalent length:. of miters) WELDING TEES VALVES (screwed, flanged, or welded). fittings sized in accordance with the ASTM D 3982-92, Standard Specification for Contact Molded Fiberglass Duct and Hoods (replaces NBS Voluntary Product Standard PS 15-69). Check valves must be installed at a reasonable. Threaded fittings are easily installed and modified, and used in commercial and industrial environments of a non-critical system. 14 and by the length tangent line to tangent line as illustrated in diagram. True Union Ball and Check Valves. ) Standard Elbow Medium Radius Elbow Long Radius Elbow 45° Elbow Tee Return Bend Gate Valve Open Globe Valve Open Angle Valve Open Length of Straight Pipe Giving Equivalent Resistance Flow ½" 1. This value is the comparison "length" of this fitting to an equivalent length of straight pipe or duct. Fitting sleeves are an extruded type design. Uni-Lok Tube Fittings & Instrumentation Valves - Sole Distributors & stockists of Uni-Lok twin ferrule compression Tube Fittings, Instrumentation valves, ball valves, needle, check, relief, metering, block & bleed, gauge / root valves & manifold valves in 2,3 & 5-way for the instrumentation & general industrial markets. pipes and fittings for compressed air 8 PLANT LENGTH When we know the service pressure, the required flow and the length of the pipe from the compressor line to the most distant air user (considering the sum in feet of the equivalent lengths - see table 1), we will be able to calculate the correct sizing of the main pipe header.