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Forged Steel Ball Valve;3 Way Ball Valve;Floating Ball Valve
 
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WCB Pressure Safety Valves , Pilot Operated Safety Valve For Air Pipeline

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Title: WCB Pressure Safety Valves , Pilot Operated Safety Valve For Air Pipeline 
Brand: -
Model: -
Unit price: Negotiable
MOQ: -0 -
Quantity: Negotiable
Delivery date: Since the payment date Days delivery

Contact: Chen Chao Kui (Ms.)    
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WCB Pressure Safety Valves , Pilot Operated Safety Valve For Air Pipeline

 

Quick Detail: 

  1. Pressure Rating: Inlet Class 150~2500, Outlet Class 150 - 300
  2. base Material: ASTM A216 WCB, ASTM A351-CF8, SPECIAL STEEL

 

Performance

  1. The allowable tolerance of the set pressure:≤±3% of the set pressure
  2. Overpressure: ≤±10% of the set pressure
  3. Blowdown: ≤±10% of the set pressure
  4. Tightness: The valves have good seat tightness, conforms to API Std 527

 

Features

 

  1. The soft design provides good seat tightness before and after each relief cycle.
     
  2. The system can be operated nearer set pressure without valve leakage.
     
  3. No more overpressure required for full lift of main valve.
     
  4. Proper valve operation and lift are unaffected by back pressure.
     
  5. Adjustable blowdown.
     
  6. Non-flowing pilot reduces product loss and environmental pollution.
     
  7. Quick simple verification of set pressure while valve remains in service.

 

 

Principles of operation

 

In the normal closed position, system pressure is transmitted through the pilot valve and into the dome 

of main valve. The pressure above the main valve disc generates a net downward force, hold the main 

valve closed.

 

When system pressure reaches the set pressure, the pilot spindle lifts and reseat piston closed 

WCB Pressure Safety Valves , Pilot Operated Safety Valve For Air Pipeline

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