Iron Check Valve DN700 Attractive and Reasonable Price

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Loading Port:
Tianjin
Payment Terms:
TT or LC
Min Order Qty:
20 set
Supply Capability:
6000 set/month

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Product Description:

Usage/Applications Of Iron Check Valve:

Check valve is to rely on the flow of the media itself and automatically open, close the valve flap, used to prevent the media back valve, also known as the check valve, Dan Xiangfa, counter flow valve, and back pressure valve. Check valve is an automatic valve, its main role is to prevent the media back, to prevent the pump and drive motor reversal, as well as the release of the container medium.

 

Technical Date

Material Specification

Nominal Diameter

DN40-DN1000

Valve Body

Cast Iron or Ductile Iron

Nominal Pressure

PN10/PN16

Valve Disc



Cast Iron or Ductile Iron or Stainless Steel

Operation Temperature

-40°C~225°C

Flange Driling Standard

EN 1902-2 PN10/16

Seal Material

EPDM OR NBR

Suface Treatment

Painting

Valve Spring

Stainless Steel

Application

Portable water, water distribution service & feed lines, sewage disposol, irrigation, fire protection pipe systerm, etc.

Packaging & Delivery

Packaging Details:Usually is standard export packing with Plywood Case and also can upon customers' requirement
Delivery Detail:Upon customer's requirement

Specifications

1.cast iron body and caps
2.blow-out proof stem
3.reduce /full bore
4.Certification:ISO9001:2008

 

 

 

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Q:What about boiler non-return valve without return?
First, overhaul, and two is to replace the valve, the other way
Q:What is the difference between the check valve h64h-250 and the h61y-250?
According to JB/T308-2004 "valve type programming method"One is the swing check valve (4), and the sealing surface is Cr13 (H)One is the lift check valve (1), and the sealing surface is made of Y
Q:What is the function of the check valve installed in the water meter before entering the residential water?
Generally installed after the water meter. The main reason: if the water point is higher than the water meter installation position, once the pipe network in the absence of water, the remaining water in the pipeline will flow in the direction of the water meter in turn. This will cause the water meter to reverse and cause damage to the water meter. A check valve is installed after the water meter, so that the situation can be avoided.The main function of the check valve is to prevent the backflow of the medium, prevent the reverse of the pump and drive motor, and release the container medium. The check valve can also be used to provide a supply to the auxiliary system where the pressure may rise above the system pressure.
Q:Back pressure valve and check valve difference
Oil is generally put into the wells of the check valve calling back pressure valveCheck valve is a general name, mainly lifting type and swing type.
Q:Does one-way check valve affect water flow?
The water inlet of the household water heater is equipped with a triangle valve, which will not affect the flow of water, and be convenient for maintenance and inspection
Q:The difference between check valve and check valve
One way valve is also called a check valve, the two is the same kind of valve, meaning the same.
Q:How can the check valve at the flue port of the range hood be changed or cleaned?
If the flue hanging in the shed, it should be at the check out. Check valve with a machine.So I would not advocate the construction of flue hanging in the shed, net height kitchen, gas capacity is small this is big, the flue pipe exposed, there are many ways to deal with it.If the valve stuck inside, also find what professional people, find out what carpenter, solved the problem.
Q:Can the check valve be used on the steam pipe?
The check valve can be used on the steam pipe, but only the right material.General steam pressure WCB, temperature and pressure with the then high chromium molybdenum steel. The inside of the valve should be taken into account, depending on the pressure difference.
Q:Are rubber check valves and swing check valves the same type of valves?
Not the same model. The rubber valve check is HC44X, and the swing check valve is H44H
Q:What happens when the check valve is broken?
Check valve is broken, there will be back water, down pressure, serious will produce pump reversal, burning motor

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