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LISHUI OUYI VALVE CO., LTD.
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300lb Free Leakage API 6D Casting Trunnion Ball Valve For Chemical , DN50-DN1200

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Title: 300lb Free Leakage API 6D Casting Trunnion Ball Valve For Chemical , DN50-DN1200 
Brand: -
Model: -
Unit price: Negotiable
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Quantity: Negotiable
Delivery date: Since the payment date Days delivery

Contact: Anita wu (Ms.)    
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300lb Free Leakage API 6D Casting Trunnion Ball Valve For Chemical ,  DN50-DN1200

 

Quick Detail: 

 

Size & Pressure : 150# DN50-DN1200 

300# DN50-DN1200 

600lb DN50-DN1200 

900# DN50-DN900 

1500# DN50-DN600

   

 

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.

 

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