Safety Valve With Jacket

Size：1"- 12".
Class：150 lb -2500 lb.
Temperature： -29 - + 427 ° C.
Used for equipment of Polyester，Ethylene, Urea.
It's serviced in the circumstance where the heat preservation of fluid is needed, such as the equipment of polyester. Ethylene, urea, etc.
Body including inlet and outlet flanges is hest preserved, so the effect is very well. The function of vapor flushing can be added, if needed.
Balanced bellows construction protests set pressure from being affected by variable back pressure, and the parts in bonnet, such as sprung, from being corroded.
Trim (nozzle and disc) is normally made with austenitic stainless steel, and faced with satellite alloy.
To meet special service , the material of trim can be 316LN, oCr25Ni6Mo3CuN(255alloy)and 0Cr25Ni6Mo2N(SUS329J1),the Material of bellows can be Ti.