Safety Valve Series

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Gas Specific Fall Lift Safety Valve

manufacturer: Shanghai Fengqi Industry Development Co., Ltd.
Eml: sales@fengqi.sh.cn

Tel: 86 (21) 3652 8716
Mob: (86) 138 1635 6498

product drawing

Gas specific fall lift safety valves
Gas specific fall lift safety valves

Applications

Gas specific full lift safety valve is suitable for equipments and pipes of natural gas, liquefied petroleum gas, ammonia, etc., and similar non-corrosive media that working temperature is -40 ~ +80 ℃. When the device internal medium pressure is abnormal elevation of the required value, the gas specific full lift safety valve automatically opens, and then with the whole amount of emissions, when the pressure is reduced to the specified value, the gas specific full lift safety valve automatically closes to ensure safe operation of gas pipeline equipments.

Dimensions & constructral diagram

Gas specific fall lift safety valve constructral diagram
Gas specific fall lift safety valve constructral diagram

The materials of main parts

NO. part name A42F Materials
1 Seat 2Cr13
2 Body WCB
3 Adjusting ring 2Cr13
4 Disc holder 2Cr13
5 Disc 2Cr13+PTFE
6 Guide sleeve 2Cr13
7 Bonnet ZG230-450
8 Spring 50CrVA
9 Stem 2Cr13
10 Adjusting bolt 45
11 Cap ZG200-450

External and connection dimensions(mm)

Nominal diameter DN(mm) Dimensions(mm)
do L L1 DN
25 15 110 95 32
32 20 115 100 40
40 25 120 110 50
50 32 135 120 65
80 50 170 135 100
100 65 195 175 125
150 100 255 230 175
200 125 300 260 250
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