Xiangjing (Shanghai) M&E Technology Co., Ltd
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VS99 Sempell Model For extra Large Capacities Preferred Solution Pilot Operated Safety Valve
Operated by steam pilots VS66 and/or solenoid pilots EMS. Medium operated safety valve for extra large capacities
Preferred solution for Russian GOST boiler applications
Features
High Tightness, because system pressure acts in closing direction
Small opening and closing pressure differences
Blow down widely adjustable
High setting accuracy and reproducibility
Function nearly independent from pressure losses in connected pipes
Opening of the safety valve also below set pressure possible
Test setting of safety valve during normal plant operation
Test of the control function without opening of the safety valve