Cast Iron Check Valve

Lift Check Valve Cast Iron
Lift Check Valve Cast Iron
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Min Order Qty: 10 Pieces pc
Supply Capability: 100000 Pieces Per Year 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
wafer type cast iron check valve
wafer type cast iron check valve
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Min Order Qty: -
Supply Capability: -
Ductile Iron Ball check valve
Ductile Iron Ball check valve
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Min Order Qty: -
Supply Capability: -
high quality ductile iron cast iron flanged swing check valve
high quality ductile iron cast iron flanged swing check valve
Ref Price: $30.00 - 200.00 / set
Min Order Qty: 50 set
Supply Capability: 4000 set/month
Iron Check Valve DN400 High Quality China
Iron Check Valve DN400 High Quality China
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Min Order Qty: 20 set
Supply Capability: 6200 set/month
Check Valve Ductile Iron Silence For  Water
Check Valve Ductile Iron Silence For Water
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Min Order Qty: 3 set
Supply Capability: 1000 set/month
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
Ductile Iron Dual Plate Wafer Check Valve
Ductile Iron Dual Plate Wafer 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
DIN Ductile Iron Flange Ball Check Valve
DIN Ductile Iron Flange Ball Check Valve
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Ductile Iron Soft Seal Swing Check Valve
Ductile Iron Soft Seal Swing Check Valve
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Min Order Qty: -
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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
GB Ductile Iron Wafer Check Valve For Drinking Water
GB Ductile Iron Wafer Check Valve For Drinking Water
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Min Order Qty: 32 set
Supply Capability: 1000 set/month
Ductile Iron Class 125 Wafer Type Check Valve
Ductile Iron Class 125 Wafer Type Check Valve
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Min Order Qty: -
Supply Capability: -
API Cast Steel Lift Check Valve Size 650 mm
API Cast Steel Lift Check Valve Size 650 mm
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Min Order Qty: 10 pc
Supply Capability: 100 pc/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
Iron Check Valve DN700 Attractive and Reasonable Price
Iron Check Valve DN700 Attractive and Reasonable Price
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Min Order Qty: 20 set
Supply Capability: 6000 set/month
API Cast Steel Lift Check Valve Size 200 mm
API Cast Steel Lift Check Valve Size 200 mm
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Min Order Qty: 10 pc
Supply Capability: 100 pc/month
CHECK VALVE API FORGING WCB/CF8/CF8M  DN50-DN300
CHECK VALVE API FORGING WCB/CF8/CF8M DN50-DN300
Ref Price: $20.00 - 200.00 / pc
Min Order Qty: 1 pc
Supply Capability: 9999 pc/month
API Cast Steel Lift Check Valve 2500 Class
API Cast Steel Lift Check Valve 2500 Class
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Min Order Qty: 10 pc
Supply Capability: 100 pc/month
Stainless Steel Wafer Check Valve For  Water
Stainless Steel Wafer Check Valve For Water
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Min Order Qty: 100 set
Supply Capability: 1000 set/month
Ductile Iron Check Valve DN1400 Quality Guarantee China
Ductile Iron Check Valve DN1400 Quality Guarantee China
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Min Order Qty: 200 set
Supply Capability: 4000 set/month
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
API Cast Steel Lift Check Valve Size 450 mm
API Cast Steel Lift Check Valve Size 450 mm
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Min Order Qty: 10 pc
Supply Capability: 100 pc/month
CHECK VALVE SWING TYPE DIN/BS/JIS DN40- DN600
CHECK VALVE SWING TYPE DIN/BS/JIS DN40- DN600
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Min Order Qty: 1 pc
Supply Capability: 9999 pc/month
Swing Check Valve Wafer Type Double Disc PN 1.6 Mpa
Swing Check Valve Wafer Type Double Disc PN 1.6 Mpa
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Min Order Qty: 10 pc
Supply Capability: 100 pc/month
CHECK VALVE SWING DUCTILE IRON/ WCB DN40- DN600
CHECK VALVE SWING DUCTILE IRON/ WCB DN40- DN600
Ref Price: $20.00 - 200.00 / pc
Min Order Qty: 1 pc
Supply Capability: 9999 pc/month
BFEA Best Selling Check Valve
BFEA Best Selling Check Valve
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Min Order Qty: 20 sets pc
Supply Capability: To Order pc/month
API Cast Steel Lift Check Valve 300 Class
API Cast Steel Lift Check Valve 300 Class
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Min Order Qty: 10 pc
Supply Capability: 100 pc/month
High Quality Check Valve
High Quality Check Valve
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Min Order Qty: 20 sets pc
Supply Capability: To Order pc/month
Wafer Dual Plate Check Valve
Wafer Dual Plate Check Valve
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Min Order Qty: 50 Pieces pc
Supply Capability: 5000 Pieces Per Month 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

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FAQ

Installation of stainless steel tank outlet must be equipped with check valve?
A stainless steel ball valve can also ah, inner threads
Can the check valve be horizontally installed?
Lift check valve can be divided into straight through and vertical two. Straight through lift check valve can only be installed in horizontal pipe, vertical lift check valve is usually installed in vertical pipe.s
Why should the check pipe be added to the chilled water pipe of the air conditioning unit?
The air conditioning water chiller is usually installed in the basementNo check valve, pump start pressureThe current is likely to boil the pump when the building is highs
What are the types of check valves?
The check valve is divided into three kinds: lift check valve, swing check valve and butterfly check valve:1. lift check valve is divided into two types of vertical and horizontal.2. swing check valve is divided into single, double flap and multi flap type of three.3. butterfly check valve is straight through type.The above types of check valves can be classified into thread connection, flange connection, welding connection and clamp connection in connection forms of four kinds.Texture of material1. cast iron check valve2. brass check valve3. stainless steel check valve4. carbon steel check valves
What are the differences between different check valves applications?
General pump station project, for the pump outlet check valve, the following principles should be observed;The outlet check valve shall be used when the diameter of the outlet pipe of the pump is smaller, that is, DN<50mm.The pipeline of the pump outlet pipe diameter DN is larger than 50mm, should be used in swing check valveSwing check valves can be installed horizontally or vertically.s
How many kinds of structure are there in the check valve?
1. The structure of the lift check valve is similar to that of the globe valve. Its valve moves up and down along the central line of the channel. The action is reliable, but the resistance of the fluid is large. It is suitable for small caliber occasions. The lift type check valve has an air passage types
The difference between the micro and slow closing check valve and the silent check valve
Micro slow closed silencing check valve hammer to drive the valve plate to open and close, silencing check valve spring pressure valve plate opening and closing, and the price of the body structure is completely different, but the function is the same, if the comparison between the two, large caliber selection micro slow closed check valve a little noise small caliber, the silencing check valve a little more.s
What kind of check valve is used in the sewage pump of sewage treatment plant?
3. to prevent hydraulic impact on the check valve sealing surface damage protection measures, check valve settings, to prevent the backflow of material, pump impeller to avoid the impact of the role of liquid. But as for the check valve itself, improper setting will cause a sudden impact of the disc on the valve seat by the water hammer, and damage the check valve sealing surface. Therefore, several protective measures should be taken. 1, for the pump outlet set >80mm swing check valve, horizontal installation should be adopted to weaken the valve seat back and the impact. 2, for the pump outlet check valve >=150mm diameter of the pipeline, should be placed before and after the bypass valve, to prevent the pressure before the valve rises too high, the check valve sealing surface damage. 3, the pump discharge pipeline starting and ending pressure is higher, the pipeline is not allowed to set the bypass, you can take the following measures. Set up safety valve instead of bypass valve. The action is similar to that of the bypass valve. It is located near the check valve outlet. When the water hammer causes the pressure to rise, a part of the water can be released to prevent the damage caused by the pressure rising. An air or inert gas buffer tank can be set. It is located near the check valve outlet, and when the water hammer is produced, the pressurized gas is compressed through the buffer tank to alleviate the pressure rise caused by the water hammer.s

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