Check valves ordering information check valve series ncsize 250 14 375 38 500 12 750 34 500 material steel scracking pressure 7 7. Parker 003393002 339 series brass check valve, 38 npt. Vq series needle valves introduction parker vq series needle valves are the right combination of performance and value for manual or pneumatic onoff control in moderate pressure and temperature. Dual plate wafer check valve cast iron body, stainless steel plates to suit pn16 flanges pressure temperature fire protection centre a great deal to offer wrass pressure re mperature material list body disc seat hinge pin stop pin pin retainer spring washer gasket dimensions pn16 loacto cast iron stainless steel 304 epdm stainless steel 420. Male npt check valves mnpt our male npt check valves equivalent to techno check valve 5002 are available in sizes up to 12 in carbon steel zinc dichromate plated for added corrosion. The control valve handbook has been a primary reference since its first printing in. Reseal pressure is defined as the downstream pressure at which the check valve closes bubbletight. Horizontal installation in drainage systems helps keep basements from flooding. The spring return reduces noise for quiet operation. Product check valves the andair check valve is a complete closure valve. The important features of these valves are nonleak packing and have a patented back seat design. Parkers cb series check valves are engineered to solve fuel transfer problems associated with oem supplied valves.
Pressure on the cylinder port causes the ball to lift against the spring force, allowing flow through to the valve port. Duckbill check valves data sheet quiet operation zero maintenance design prevents backflow will seal around solids designed to withstand wear tough enough for abrasive slurries the series cpf flanged check valve is designed to be efficient, quiet and tough. Must provide a stable base, and installation using flexible couplers is. Spring is completely removed from fl ow path closed as the inlet supply. Shop onlineversatile products for a multitude of applicationswith 50 locations. Nonreturn valve with perfect selfcentring the erhard swing check valve is a nonreturn valve that can be flexibly used for water and sewage. A control valve is a valve used to control fluid flow by varying the size of the flow passage as directed by a signal from a controller. The most common check valve is the disc type horizontal or vertical. Must provide a stable base, and installation using flexible couplers is recommended. Vh36bd8t5s vh36cf12nkz5s materials of construction material gradeastm valve body material component 1. Solid check valves, theres no detectable leakage in my install. It allows fluid to pass in one direction whilst preventing it flowing in the reverse direction. Combined check valves feed check valve manufacturer from. The air blow check valve must be used with a filter disc.
Vh36 series high pressure check valves vch36 series cng check valves models shown. Valve bodies are tapped and plugged 12 ips for additional equipment such as a ball drip valve when used in conjunction with a. Click on the respective links to get the list of available drawings of the same, for download. Cop series compression x male npt check valve ball. Temperate of 220 c supplied with ibr form iiic duly signed by director of boilers punj. For a valve with a spring having a rated cracking pressure of 25 psig 1.
Check valves are gravity operated and may be used for both horizontal. It requires no external power sources, thereby reducing operating costs. Cpom series pilot operated check valve nfpa d03 cetop 3, ng 6 cpom series pilot operated check valve parker manapak subplate sandwich module. All flow curves and cv values presume the valves are fully open with 12 psi. Duckbill check valves data sheet quiet operation zero maintenance design prevents backflow will seal around solids designed to withstand wear tough enough for abrasive slurries the series cpf flanged. The wafer style check valve features a flanged wafer body style to fit between standard flanges. A wide variety of duplex check valve options are available to you, such as high. Brayrite flowactivated wafer combination swing check valves are optimized to achieve a fully open position at low flow rates, preventing backflow and. Check non return valves check valves or non return valves are designed to ensure one way flow only.
Low pressure drop refrigerant stop check valves are weldable directly to steel piping, thereby eliminating potential leaky flanges or threaded joints and simplifying installation. Tom wheatley swing check valves are available with either an integral seat or renewable seat. I mechanically decoupled the check valve from the rest of the brass in. Chsc series check valve zinc plated steel check valve sizes from 14 to 2 with 7 or 70 psi cracking pressure available in npt or sae connections bunan captive poppet orings temperature. Brass stainless steel zincplated steel internal components, urethane seals. Chsc series check valve zinc plated steel check valve sizes from 14 to 2 with 7 or 70 psi cracking pressure available in npt or sae connections bunan captive poppet orings temperature f to 185f features. I mechanically decoupled the check valve from the rest of the brass in the system with a piece of polyurethane, in order to cut down on the noise. The check valve tester is valuable when testing duckbill valves, check valves, pinch valves or devices that open slowly under applied pressure. Ball valves, fittings, valves, actuation, press system, pex, chemtrol, pcv. Male npt 18 to 14 x compression 18 to 38 thread to compression flow direction. Nibco check valve pdf nibco check valves may be installed in both horizontal and vertical lines with upward flow or in any intermediate position. This is a compact poppet type check valve ideal for use in manifolds for load sense or low flow applications. Symbols for position and process controllers for process valves 10 globe valves, straight through diaphragm valves, full bore 22 way 19 ball valves, multiport 32 way with t passage 21 ball valves, multiport 32 way with l passage 22 butterfly valves 22 way 23 swing check valve 22 way 24 gate valves 22 way 25 pinch valves 2. Different types of valves with pdf file engineering.
Designed to reduce installation costs, the insert series check valves easily. Constant bleed option to maintain inert vent line 1 at inlet pressure 80 psig 0. Industrial plastic pipingharrington industrial plastics is the leading distributor of industrial plastic piping since 1959. The valves ensure the correct flow direction and prevent backcondensation from a warm part of the system to the cold evaporator. Cast pressure iron accessible feed check valve without inspection branch flanged ends as per bs 10 tablef, suitable for max. Check valve 38 npt files 3d cad model library grabcad. Spring is completely removed from fl ow path closed as the inlet supply pressure decreases, a light spring closes the poppet, positioning the knifeedge automatically in line of contact sealing against the oring. Download pdf files gate, globe, check, screwed in union. Featuring a 93 % opening value, it guarantees an extremely low zeta value, a head loss of less than 8. Check valves, filters and relief valves, march 2010. Cpom2ddn cpom series pilot operated check valve nfpa. The check valve is recommended for commercial and industrial water applications. Our products valves check valves mondeo idrja 304ss or 316ss poppet style check valve.
The nibco cast iron silent check valve is spring actuated with renewable bunan seat and bronze sliding disc. These filter discs are available in packages of 50. The erhard swing check valve is a nonreturn valve that can be flexibly used for water and sewage. Gw kent carries the equipment you need for your commercial facility. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. Process valves symbols icons for planners, designers and. Pvc stub check valves effectively prevent backflow in drainage lines. Checkall products are designed, manufactured and distributed in accordance with iso 9001 requirements. The reseal pressure range would be 16 to 20 psig 1. The flomatic corporation warrants that its check valves in all sizes are free from defects in materials and workmanship.
Cv is defined as the flow in gpm that a valve will carry with a pressure drop of. Npt a b retainer spring body seat body retainer spring seat description bill of materials material bunan. Dual plate wafer check valve cast iron body, stainless steel plates to suit pn16 flanges pressure temperature fire protection centre a great deal to offer wrass pressure re mperature material list. Available elastomers include buna n, epdm, viton, silicon and teflon. To download the pdf files from the list, right click on the file you want to see and select save target file as. Easily mounted inline and ideal for liquid or air, our series 200 npt check and pressure relief valves eliminate the leak prone adapter seen in other valves by combining the fitting and check valve in one piece. To ensure a practical assembly they are available in two versions. Flomatic will replace any valve covered by this warranty found to be defective within one year from time of sale. In valve open position, if the inlet pressure drops below outlet. Shop onlineversatile products for a multitude of applicationswith 50 locations, harrington is a trusted leader in offering versatile products to meet the needs of a multitude. Parker 003393001 339 series brass check valve, 14 npt. Each cad and any associated text, image or data is in no way sponsored by or affiliated with any company, organization or realworld item, product, or good it may purport to portray. A renewable seat extends the life of the valve by allowing all internal parts and seals to be replaced with the valve body still installed in the pipeline.
Our cast iron boiler stop checks are available in 2 12 through 8 both in angle and straightway styles. Mondeo poppet check valve tech sheet interested in. Our dropin oem replacement uses the proven cbseries seat technology to provide reliable, consistent, zero leakage in demanding turbine applications including liquid fuel and purge air. Sealing materials are selected for the valve service conditions. Mondeo idrja 304ss or 316ss poppet style check valve braeco.
The boiler stop check cast iron checks are available in 2 12 through 8 both in angle and straightway styles. Male npt check valves mnpt our male npt check valves equivalent to techno check valve 5002 are available in sizes up to 12 in carbon steel zinc dichromate plated for added corrosion resistance, 316 stainless steel, brass and aluminum. As soon as the opening force decreases and the closing force is greater, the gravity circulation check closes again. Featuring a 93 % opening value, it guarantees an extremely low zeta value, a head loss of less than 8 mbar in the fully opened position and a high degree of costeffectiveness. Highperformance butterfly valve installation instructions check valves. Camerons tom wheatley check valves have been an integral part of the surface and subsea flow control arenas for more than 70 years. Vh36bd8t5s vh36cf12nkz5s materials of construction material gradeastm valve body material. Under operating conditions with superheated vapour ahead of the valve. Mondeo idrja 304ss or 316ss poppet style check valve. That means when you order checkall valve products you are assured of receiving the highest quality check valves. Brass compression fitting with internal ball, spring loaded check valve. Our valves have inclined stems for ease of operation. Swing check valves ansi swing check valves class 150 dimensions and weights nom size in 2 21. Check valves series c5v direct operated parker hannifin.
Forged piston check valve sharpe series 2483 forged piston check valve temperature f 316l pressure psi 316 pressure psi carbon pressure psi20 to 100 1600 1920 1975 200 50 1655 1800 300 1210 1495 1750 400 1100 70 1690 500 1020 1275 1595 600 960 1205 1460 650 935 1185 1430 700 915 1150 1420 750 895 1 45 800 875 1105 1100 850 860. Check valve bulletin 5010d features june 2006 purpose. Check valves feature cast brass bodies with a spring loaded clapper assembly making this valve suitable for vertical or horizontal installations. Series 200 valves are ideal for applications that require threading and involve vibrations, torquing, or any highstress environment. The only thing to keep in mind is that these buzz or hum a bit at high flow.
Check valve showing working parts and water flow direction. Cop series compression x male npt check valve ball check. The model cva swing check valve has a lightweight high density cast iron body with a solid bronze, rubber faced swing clapper. Data sheet check valve, types nrv and nrvh the suction vapour capacities are based on liquid temperature t l 25 c ahead of the evaporator.
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