Cast Iron Hydraulic check valve PN10/16/25 with low price

Group valve
Min. Order 5 set
Terms of Payment T/T
Update Time 2019-06-04
Item specifics
Body materialCast iron, Ductile iron, WCB, SS
CoverCast iron, Ductile iron, WCB, SS
FittingsBrass, SS
Flange connectionPN10/16/25
seatedSoft seated
  • Description
  • Product review

                   Cast Iron Hydraulic check valve PN10/16/25 with low price 

Working principle

When pump starts, the upstream pressure goes up resulting in pressure increase on the lower side of the main valve membrane. 

The closing system rises gradually and valve opens slowly. 

The speed of opening can be adjusted by a needle valve C on the pilot system 

(located on upperbranch of pilot system on scheme above)


When pump stops or in case of backfoot thedownstream pressure goes up resulting in a pressure increase on the upper side of the main valve membrane.

 The closing system drop down gradually and thevalve closes slowly. The speed of the closure can be adjusted by a needle valveC on the pilot system (located on below branch of pilot system on scheme above)

The control valve is function as hydrauliccheck valve, which opens and closes at a controllable and regulated speed ofneedle valve, reducing sudden jump in pressure

Material of main parts:

Parts No.NameMaterial
AMain BallCast Iron, Ductile Iron
CExhaust ValveBrass
EThrottle Valve


1. Isolation valve of the by-pass

2a-2b Isolation valves of the main waterpipe

3. Rubber expansion joints

4. Strainer

5. Air valve

A .SCT 1001 control valve

Mattersneeding attention

1. Strainer should be installed in theupstream of the control valve to ensure good water quality.

2. The exhaust valve should be installed inthe downstream of the control valve to exhaust the mixed gas in pipeline.

3. When the control valve is mountedhorizontally, the maximum inclination angle of the control valve can not beexceed 45°.

Our Services

 1.We have more different models for your choosing and can deliver within short time.
2.OEM and ODM order are accepted, as long as supplied brand authorized letter ,then will be workable 
3.Good Quality+Factory Price+Quick Response + Reliable Service, is what we are trying best to offer you.
4.All of our products are produced by our professional workman and we have our high-work-effect foreign trade team, you can totally believe our service.
• After you choose:
1. We will choose our good shipping company or use your shiping company with lowest cost ...
2. We will check all the details and specification with you before our mass production 
3. We can update the whole progress for the order timely before shiping ...
• After-sale service
1.We are very glad that customers give us some suggestion in quality and model so that we can improve 
2.If you have any complaint in the quality ,we will give you feedback within 24 hours