
Application£º
HTGS Series High Performance Steam Service Pressure Relief Valve is serviced for overpressure protection of power boiler, once-through boiler, reheater and other pressure vessel and pipe. Our HTGS series product is fully designed and manufactured acording standard of ASME Boiler and Pressure Vessel Code, Section I, Power Boilers.
Performance: ¡ñ Size£º1 1/2" ~6" ¡ñ Class£º300 lb~2500 lb ¡ñ Temperature£º ~ +520¡æ ¡ñ Set Pressure Tolerance£º¡÷Ps¡Ü¡À1%Ps£¨Ps£¾7MPa£© ¡ñ Overpressure£º¡÷Po¡Ü3%Ps ¡ñ Blowdown£º¡÷Pbl¡Ü4%Ps
Feature£º ¡ñ The back pressure adjusting system utilizes the following steam to build and adjust back pressure, to ensure that blowdown is not more than ¡÷Pbl¡Ü4%Ps of set pressure. ¡ñ Nozzle is welded with body, to make connection stable when it¡¯s serviced in the condition of high temperature and high pressure. ¡ñ Connection of inlet and outlet is flange type, to make installation and mainenance easy. ¡ñ Perfect guide design provides well alignment, to ensure that the operation of valve is agile and stable. ¡ñ The selected materials are of high performance, which can be used in high temperature condition. ¡ñ The nozzle and disc is faced with stellite, and lapped precisely. ¡ñ High performance spring tested under simulative service condition.
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