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Spring Loaded Pressure Relief Valve

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  Post Date: Dec 02,2013
  Expiry Date: Dec 02,2014
  Detailed Description: ASME relief Valves |Pressure safety valve| Spring Loaded safety valves | balanced bellows |Full Nozzle | Flanged valves| conventional pressure relief valve|

Designed and manufactured according to ASME BPVC Section VIII division 1 and comply with API STD 526 Flanged Steel Pressure Relief Valves, API STD 527 Seat Tightness of Pressure Relief Valves, and approved by ISO 4123 Safety Devices for Protection Against Excessive Pressure.
The elaborate design for the figuration and dimension of the disc holder and ring makes the valve suddenly surge to 100% lift at low overpressure. Blowdown can be easily adjusted by revolving the ring only. Appropriate materials of relative parts and adequate clearance between disc holder and guide make disc lift flexibly. Sealing and pressed faces of the disc and nozzle are deposited with Stellite. Low leakage and long service life can be acquired by polishing the deposited faces carefully.
Unique process method of spring and bellows are tested and checked strictly
The type of balanced bellows Safety Relief Valves are safe, versatile, interchangeable and easy to maintain, since Bellows can not only avoid the effect of variable back pressure, but also protect spring and other components from corrosive media.
Performance：
Type：balance Bellows Spring Loaded HTB
Size：1" D 2"- 8" T 10"
Class：150lb～2500lb
Temperature：-196～+538℃
Fluid: Gas, Steam, and Liquid
Material: Carbon steel, Stainless steel, Alloy steel
The allowable tolerance of the set pressure: ≤±3%
Overpressure: ≤10%（gas）/≤20%（liquid）
Blowdown: ≤10%（gas）/≤20%（liquid）
Tightness: comply with API STD 527
Standard and Approvals:
ISO 4123-1Safety Devices for Protection Against Excessive Pressure
API STD 526 Flanged Steel Pressure Relief Valves
API STD 527 Seat Tightness of Pressure Relief Valves
ASME Boiler and Pressure Vessel Code Section VIII Division 1, Rules for Construction of Pressure Vessels

ASME relief Valves |Pressure safety valve| Spring Loaded safety valves | balanced bellows |Full Nozzle | Flanged valves| conventional pressure relief valve|


  Company: Shanghai Tysun Industry Co.,Ltd     [ China ]        
  Contact: Yucia Liu
  Tel: +86-13818808775
  Fax: +86-21-65865638
  Email: yucialiu@tysunco.com;yucia@126.com
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