Vertical Ball Check Valve

Flange End Ball Check Valve
Flange End Ball Check Valve
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Min Order Qty: 50 Sets set
Supply Capability: 5000 Sets Per Month set/month
Threaded Type Ball Check Valve
Threaded Type Ball Check Valve
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Min Order Qty: 50 Sets set
Supply Capability: 5000 Sets Per Month set/month
Ductile Iron Ball check valve
Ductile Iron Ball check valve
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Min Order Qty: -
Supply Capability: -
Ball Type Check Valve Ductile Iron
Ball Type Check Valve Ductile Iron
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Min Order Qty: 10 Pieces pc
Supply Capability: 100000 Pieces Per Year pc/month
DIN Ductile Iron Flange Ball Check Valve
DIN Ductile Iron Flange Ball Check Valve
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Min Order Qty: -
Supply Capability: -
Thread Type Ball Check Valve PN10/16
Thread Type Ball Check Valve PN10/16
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Min Order Qty: 50 Sets set
Supply Capability: 5000 Sets Per Month set/month
Dual Plate Check Valve
Dual Plate Check Valve
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Min Order Qty: 100 Pieces pc
Supply Capability: 80000 Tons Per Year pc/month
Disc Wafer Check Valve
Disc Wafer Check Valve
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Min Order Qty: -
Supply Capability: -
Best Price Check Valve
Best Price Check Valve
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Min Order Qty: 20 sets pc
Supply Capability: To Order pc/month
BFEA Cheap Check Valve
BFEA Cheap Check Valve
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Min Order Qty: 20 sets pc
Supply Capability: To Order pc/month
wafer type check valve
wafer type check valve
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Min Order Qty: -
Supply Capability: -
High Quality Check Valve
High Quality Check Valve
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Min Order Qty: 20 sets pc
Supply Capability: To Order pc/month
Swing Check Valve
Swing Check Valve
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Min Order Qty: 1 Piece pc
Supply Capability: 1000000 Pieces Per Year pc/month
PN1.0/1.6MPa Check Valve
PN1.0/1.6MPa Check Valve
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Min Order Qty: 1 Set set
Supply Capability: 5000 Sets Per Month set/month
Single Disc Check Valve
Single Disc Check Valve
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Min Order Qty: 200 Pieces pc
Supply Capability: 500 Tons Per Month pc/month
Wafer Type Check Valve
Wafer Type Check Valve
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Min Order Qty: 10 Pieces pc
Supply Capability: 40 Tons Per Month pc/month
Iron Check Valve DN80 High Quality Hot sell
Iron Check Valve DN80 High Quality Hot sell
Ref Price: $600.00 - 1,200.00 / set
Min Order Qty: 50 set
Supply Capability: 5000 set/month
Stainless Steel Wafer Type Check Valve
Stainless Steel Wafer Type Check Valve
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Min Order Qty: -
Supply Capability: -
CHECK VALVE WAFER TYPE DUAL PLATE DUCTILE IRON DN40- DN800
CHECK VALVE WAFER TYPE DUAL PLATE DUCTILE IRON DN40- DN800
Ref Price: $20.00 - 200.00 / pc
Min Order Qty: 1 pc
Supply Capability: 9999 pc/month
Ductile Iron Check Valve DN200 High Quality and Reasonable Price
Ductile Iron Check Valve DN200 High Quality and Reasonable Price
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Min Order Qty: 150 set
Supply Capability: 4500 set/month
Swing Check Valve Wafer Type Double Disc DN 400 mm
Swing Check Valve Wafer Type Double Disc DN 400 mm
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Min Order Qty: 10 pc
Supply Capability: 100 pc/month
Swing Check Valve Wafer Type Double PN 4 Mpa
Swing Check Valve Wafer Type Double PN 4 Mpa
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Min Order Qty: 10 pc
Supply Capability: 100 pc/month
wafer type cast iron check valve
wafer type cast iron check valve
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Min Order Qty: -
Supply Capability: -
CHECK VALVE SWING TYPE SINGLE DISC DUCTILE IRON DN50- DN400
CHECK VALVE SWING TYPE SINGLE DISC DUCTILE IRON DN50- DN400
Ref Price: $20.00 - 200.00 / pc
Min Order Qty: 1 pc
Supply Capability: 9999 pc/month
Swing Check Valve Wafer Type Double Disc DN  600 mm
Swing Check Valve Wafer Type Double Disc DN 600 mm
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Min Order Qty: 10 pc
Supply Capability: 100 pc/month
CHECK VALVE LIFT TYPE DUCTILE IRON DIN DN15- DN300
CHECK VALVE LIFT TYPE DUCTILE IRON DIN DN15- DN300
Ref Price: $10.00 - 2,000.00 / pc
Min Order Qty: 1 pc
Supply Capability: 9999 pc/month
Cast iron check valve High Quality China
Cast iron check valve High Quality China
Ref Price: $500.00 - 1,000.00 / unit
Min Order Qty: 100 unit
Supply Capability: 4000 unit/month
API Cast Steel Lift Check Valve Size 250 mm
API Cast Steel Lift Check Valve Size 250 mm
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Min Order Qty: 10 pc
Supply Capability: 100 pc/month
Swing Check Valve Wafer Type Double Disc DN  100 mm
Swing Check Valve Wafer Type Double Disc DN 100 mm
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Min Order Qty: 10 pc
Supply Capability: 100 pc/month
Swing Check Valve Wafer Type Double Disc DN 350 mm
Swing Check Valve Wafer Type Double Disc DN 350 mm
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Min Order Qty: 10 pc
Supply Capability: 100 pc/month
wafer type butterfly check valve
wafer type butterfly check valve
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Min Order Qty: -
Supply Capability: -
Ductile Iron Wafer Check Valve For  Water
Ductile Iron Wafer Check Valve For Water
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Min Order Qty: 60 set
Supply Capability: 1000 set/month
Swing Check Valve Wafer Type Double Disc DN 150 mm
Swing Check Valve Wafer Type Double Disc DN 150 mm
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Min Order Qty: 10 pc
Supply Capability: 100 pc/month
API Cast Steel Lift Check Valve 1500 Class
API Cast Steel Lift Check Valve 1500 Class
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Min Order Qty: 10 pc
Supply Capability: 100 pc/month
Swing Check Valve Wafer Type Double Disc Body Material  WCB
Swing Check Valve Wafer Type Double Disc Body Material WCB
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Min Order Qty: 10 pc
Supply Capability: 100 pc/month
Swing Check Valve Wafer Type Double PN  10 Mpa
Swing Check Valve Wafer Type Double PN 10 Mpa
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Min Order Qty: 10 pc
Supply Capability: 100 pc/month

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FAQ

Is it necessary to install a check valve in the piston refrigeration compressor?
Following chart:Turn left and turn right | Such arrangements because when the piston machine more than 2 units installed on the same system, if there is a part of the unit stops working in another part of the unit, it will cause the exhaust side wall will refrigerant condensation in the exhaust no work unit tube, the liquid refrigerant condensation along the exhaust the accumulation of down pipe in the exhaust pipe, may cause the cylinder inlet fluid or startup are high pressure, easy to cause the damage of the compressor. Therefore, when multiple compressors are connected in parallel, the check valve must be installed at the top of the exhaust pipe. Not only the piston machine, screw machine should also be installed in the exhaust pipe, otherwise the oil inside is all refrigerant liquid, leading to running oil, there have been such problems in the project.s
Which type of check valve should be selected for vertical pipes?
The check valve on the vertical pipeline shall ensure that the spool goes back to its position when the fluid is stationary and reversed.Optional:Butterfly check valves, pipes of low pressureVertical lift check valve, high pressure resistance, good tightnessSwing check valve: flow must be from the next up, the pipe diameter is unlimiteds
What is the difference between the check valve rcvx and SFCV?
3, swing type: liquid in the valve straight through, relying on the pressure to open the side of the rotating valve flap, after the loss of pressure, the valve depends on the weight back, the reverse of the liquid pressure closed valve. Other one-way valves (check valves), such as the sewage check valve, air defense explosion-proof valve and liquid use of the principle of the check valve is very similar.s
What's the difference between a stop valve and a check valve? Is it a valve?
The cut-off valve is a common valves, mainly used to connect or disconnect the line of medium, generally not for regulating flows.globe valves for a wide range of pressure and temperature, but are generally used for medium and small diameter pipes. The cut-off valve is closed parts (valve) moving along the centerline of the valve seat valve. The stop valve is mainly used for cutting in the pipeline.s
What is the difference between check and check valves? Check and check valves?
2, gravity: and spring similar to rely on the valve's own gravity closed to prevent backflow.s
How does the check valve work?
Only one-way flow, blocking the valve seal, liquid can not be returned.s
The role of the clip lift check valve
The check valve of the lift check valve is located on the valve seat sealing surface of the valve body. In addition to this valve disc is free to lift, like the rest of the cut-off valve, the fluid pressure valve from the valve seat sealing surface lift, medium return led down to the valve seat, and cut off the flow. Depending on the service conditions, the disc can be of all metal construction or in the form of a rubber pad or rubber ring on the valve frame. The same as the cut-off valve, lift check valve fluid through the channel is narrow, so the check valve by lifting the pressure drop than the swing check valve a little bigger, and swing check valve flow restrictions very little.s
Detailed distinction between backflow preventer and check valve
The backflow preventer consists of two separated check valves and a drain valve. Due to the local head loss of the check valve, the pressure in the middle cavity is always lower than the pressure at the inlet. This pressure difference causes the drain valve to be closed and the pipe is in normal water supply. In abnormal pressure (i.e., the outlet pressure is higher than that of the middle cavity), even if the two check valve can not reverse sealing, safety relief valve can automatically open the reverse water emptying, and the formation of air separation, ensure the health and safety of water upstream.Check valves are plain check valves, only one side seal. Backflow preventer is more expensive than ordinary check valve. Double protection and heavy protection!s

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