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Natural Gas Pipeline Ball Valve

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

Tel: 0086 (021) 3652 8716
Mob: (0086) 138 1635 6498

product drawing

Natural gas pipeline ball valves
Natural gas pipeline ball valves

Natural gas ball valve adopts shaped PTFE packing, it is applied to most of the high and medium pressure gas transmission occasions, the handle operating torque is smooth, O-ring is used to prevent external impurities entering into the interior, and maintains a long-term sealing performance of the valve. The valve that is greater than DN150 uses worm gear drive.

Main design parameters

design and manufacture:GB/T12237-89
flange connection:JB/T79-94、GB9113-2000
face to face dimensions:GB12221-89
nominal diameter:DN15~DN150mm
nominal pressure:PN1.6、2.5、4.0MP。

The external and connection dimensions

Natural gas pipeline ball valve constructral diagram
Natural gas pipeline ball valve constructral diagram

Main performance parameter

nominal pressure shell test sealing test applicable medium suitable temperature
1.6 2.4 1.76 liquefied gas,natural gas,etc -40~+80℃
2.5 3.75 2.75
4.0 6.0 4.4

The materials of main parts

body,bonnet stem, ball sealing face packing
WCB/ stainless steel stainless steel stainless steel and PTFE PTFE

Main external dimensions

nominal diameter DN(mm) the main external and connection dimensions of Q41F-25 (mm) weight (kg)
L D D1 D2 Z-фd H b f Do
15 130 95 65 45 4-14 103 16 2 100 3
20 140 105 75 55 4-14 112 16 2 160 4
25 150 115 85 65 4-14 123 16 2 160 5
32 165 135 100 78 4-18 150 18 3 250 8
40 180 145 110 85 4-18 156 18 3 250 11
50 200 160 125 100 4-18 172 20 3 350 14
65 220 180 145 120 8-18 197 22 3 350 20
80 250 195 160 135 8-18 222 22 3 450 28
100 320 230 190 160 8-23 253 24 4 450 36
125 400 270 220 188 8-25 286 28 4 600 62
150 400 300 250 218 8-25 275 30 4 800 80
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