API 520 Bellow Balanced Safety Valve

Weldon Valves Manufacturing Co., Ltd.

  • API 520 Bellow Balanced Safety Valve0
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17-Oct-19
Hardware Equipment & Supplies
10.00 KG
L/C
China
30 day(s).

Product Details

API 520 Bellow Balanced Safety Valve Manufacturer: API 520 Balanced Bellows Safety Valve with Flange, Inlet Class 900, Outlet Class 300 LB, 3 X 4 Inch.
The allowable tolerance of the seat pressure: ≤±3% of the set pressure
Overpressure: ≤10% of the set pressure ( gas ) or ≤20% of the set pressure ( liquid )
Blowdown: ≤10% of the set pressure ( gas ) or ≤20% of the set pressure ( liquid )
Leakage: The valve has good seat tightness and the leakage rate conforms to API527.
Bonnet: The bonnet of the safety valve is open, allowing the spring chamber to communicate with the atmosphere, which is beneficial to reduce the temperature of the spring, and is mainly suitable for containers of high temperature gas in which the medium is steam and does not pollute the atmosphere.
Lever: The safety valve can be opened manually by the lever when the media pressure over 75% of the setting pressure (On the premise of ensuring safety).
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Business Details

Weldon Valves Manufacturing Co., Ltd.
17-Oct-2019
Country of Origin China
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