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DARRY Diaphragm Pump & Valve Industry Company  

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Forged Steel Valve Trunnion Mounted Ball Valve 

Place of Origin: Zhejiang, China (Mainland) 
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Product Detail

Model No.: NPS 2-48

Cast Carbon Steel Trunnion Ball Valve with Flange Connection WCB
 
 
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Cast Carbon Steel Trunnion Ball Valve with Flange Connection WCB

 

 

Quick Detail: 

 

Size :      8 ''                                  Class:     600 lb

Material:  WCB                              Connection: Flange

Construction: Two piece                                

   

Applications:

large and medium oil, gas, water conservancy, pharmaceuticals,Chemical, heating equipment

industry .We can also produce according to customer's size.

 

 

 

Description:

 

CAST TRUNNION BALL VALVE

1.Blow-out proof stem

For the purpose of preventing the stem from flying off  resulting in abnormal rising of the inner 

pressure of valve,shoulder is fixed at the lower part of the stem.In addition,in order to prevent 

leakage resulting from burnout of packing set of the stem in a fire,thrust bearing is set at the 

contact position of the shoulder at lower part of the stem and valve body.Thus an inverse seal 

seat is formed which will prevent leakage and avoid accident.

 

2.Key lock

Locks can be used to lock the manual valve when  it is fully open or closed so as to prevent 

non-working personnel from pulling the handle which may result in misoperation of valve.It can 

also avoid opening or closing of valve resulting from the shock from pipelines or unpredictable 

factors that may cause an accident.For working pipelines such as combustible and explosive oil,

gas and chemical medium,or for field piping site,the locking mechanism is especially useful.

 

3.Anti-fire safe design

When the trunnion ball valve be used normally,its sealed by seat and ball surface,seat retainer 

sealed by O-ring and body,this is soft sealed and reliable sealing.When the seat and O-ring are 

burnt,the seat retainer and body will be sealed by expanded graphite.Thus act anti-fire safe purpose.

 

 

 

2. Certificates:

We got API 607, API 6FA, API 6D, CRN, CE-Certificate, ISO 9001 Moody.

  

 

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 Mr. Li

Tel: 86-571-88045787
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Company Info

DARRY Diaphragm Pump & Valve Industry Company [China (Mainland)]


Business Type:Manufacturer
City: Hangzhou
Province/State: Zhejiang
Country/Region: China (Mainland)

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