Yongyi, Neway, CNNC Sufa, Shangfa, Jiangsu Shentong, Gaoshan, Luofu, Fuyu, Tianwu, Chenggao, Dagao, Harbin Electric Valve Safety Valve
Safety Valve Series

Yongyi, Neway, CNNC Sufa, Shangfa, Jiangsu Shentong, Gaoshan, Luofu, Fuyu, Tianwu, Chenggao, Dagao, Harbin Electric Valve Safety Valve

Also known as: Spring safety valve, lever hammer safety valve, pilot operated safety valve, pulse impulse safety valve, micro opening safety valve, full opening safety valve, closed safety valve, open safety valve, bellows safety valve, vacuum negative pressure safety valve, double safety valve, high temperature and high pressure power station safety valve, American standard API high pressure safety valve.

DN15-600mm

Application Industry

A27, A28: Air compressor, small boiler, gas storage tank A37: Pressure vessels, storage tanks, compressed air systems A41: Pressure vessels for water supply, oil products, and liquids A42: Chemical, liquefied gas, gas storage tanks A44: Boiler, heat, steam pipeline A46: High back pressure storage tanks for petroleum, chemical, and natural gas industries A47: Low pressure industrial boilers, steam pipelines A48: Power plants, industrial boilers, steam systems A49: Main protection for thermal power plants and large boilers A51, A52: Corrosive media, chemical equipment with back pressure A68: Thermal power plants, high-temperature and high-pressure steam pipelines GA44: Thermal power plants, large steam pressure vessels GA49: Power plant boiler, impulse protection system FA72: Chemical storage tanks, reaction vessels, negative pressure vacuum protection JA22: Small pressure vessels, water/air systems SV607DS: Steam boiler, thermal pressure reducing station SV615 (SV617): Steam, hot water, air compressor, heat exchange station

Model

A27H、A28H、A41H/Y、A42Y、A44Y-160/320、A46F/Y、A47H、A48Y、A49H、A68Y、GA44H-16、GA49H、FA72W-10P

A27/A28: Threaded micro opening spring safety valve, air storage tank, small boiler A37: Double spring safety valve A41: Closed micro opening, liquid A42: Closed and fully open, gas/liquefied gas A44: Closed with wrench fully open A46: Pilot operated safety valve, high back pressure storage tank chemical industry A47: Micro opening with wrench A48: Fully open with wrench, boiler steam explosion A49: Main safety valve of power station A51/A52: Bellows balanced safety valve (high back pressure, corrosive medium) A68: High temperature and high pressure safety valve for welding power plants GA44: Double bar heavy hammer safety valve GA49: Impulse Pulse Safety Valve (Power Station Supporting) FA72: Vacuum negative pressure safety valve, anti suction collapse of storage tank JA22: External thread spring safety valve

Technical Specifications

Yongyi, Neway, CNNC Sufa, Shangfa, Jiangsu Shentong, Gaoshan, Luofu, Fuyu, Tianwu, Chenggao, Dagao, Harbin Electric Valve Safety Valve Technical Specifications