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:Check valve 1 inches DN25 what do you mean?
Crown valve pressFirst, an inch equals DN25That is, fixed values to estimate how large a pipeline isOne inch of check valve is mostly copper check valveThe price of I should be around 25 yuan
Q: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 valve
Q:Check valve h44h-25p what does that mean?
H- stainless steel4- flange connection4- rotary single structure check valveH sealing material is Cr13 stainless steel25- pressure 2.50MPAP-18-8 stainless steelH44h-25p= stainless steel flange connection, swing type single check valve pressure 2.50MPA valve body, material 18-8 stainless steel
Q:What's the size of the check sleeve?
According to the quota items can be set corresponding to the valve diameter less than DN40, the thread sets, DN50 sets of flange connection can, according to the actual unit price to enter it.
Q:Is the check valve a check valve? What is its main purpose?
Check valve, also known as one-way valve or check valve, its role is to prevent the medium back in the pipeline.
Q:What's the difference between a stop valve and a check valve? Is it a valve?
A check valve is a valve that automatically prevents the flow of fluid. The disc of the check valve is opened under the action of fluid pressure, and the fluid flows from the inlet side to the outlet side. When the inlet side pressure is lower than the exit side, the valve automatically closes under the influence of fluid pressure, gravity and other factors to prevent fluid flow backwards. The function of this type of valve is to allow the medium to flow in one direction and to prevent flow in the direction. Usually the valve is automatically work, fluid pressure flow in one direction, the valve open; the opposite direction of fluid flow by gravity, fluid pressure and valve closing effect on the valve seat, thereby cutting off flow. Among them, the check valve belongs to this type of valve, which includes swing check valve and lift check valve. The swing check valve has a hinge mechanism and a gate like valve free against the inclined seat surface.
Q: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.
Q:Ask questions about the installation of check valves after water meters
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.
Q:What's the difference between a throttle valve and a check valve? Are they the same?
The check valve is directional, so it should be clear when installing. It is like a swinging door that opens in one direction or closes on the other. When the liquid flows towards the opening, the door opens, and when it is stopped, the self pressure of the liquid passing through the door closes automatically and acts as a hindrance to the flow of liquid.Throttle is simple, water switch is one of the throttle valve.
Q:Installation position of household water meter check valve
It should be about 15 times before the table, about 300mm DN20.

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