Pneumatic three-piece flange ball valve
Pneumatic three-piece flange ball valve
Nominal pressure: PN1.6~6.4MPa
Applicable medium: water, oil, gas and some corrosive liquids
Applicable temperature: -20~232℃~350℃
Operating temperature: normal temperature
Connection type: flange
Main material: stainless steel, carbon steel
Nominal pressure: 1.6-6.4mpa applicable temperature :-20~232℃~350℃ applicable medium: water, oil, gas and some corrosive liquids
No | Part name | Material | |
Stainless steel | Carbon steel | ||
1 | Bolt | Stainless steel SS304 | Carbon steel |
2 | Spring washer | Stainless steel SS304 | Stainless steelSS304 |
3 | Nut | Stainless steel SS304 | Carbon steel |
4 | Cover | Stainless steel CF8/CF8M | Carbon steel WCB |
5 | Body | Stainless steel CF8/CF8M | Carbon steel WCB |
6 | Ball | Stainless steel CF8 | Stainless steel CF8 |
7 | Sealing ring | Teflon ethylene PTFE | Teflon ethylene PTFE |
8 | Valve stem | Stainless steel SS316 | Stainless steel SS304 |
9 | Packing | Teflon ethylene PTFE | Teflon ethylene PTFE |
10 | Gland nut | Stainless steel SS304 | Stainless steel SS304 |
11 | Spring washer | Stainless steel SS304 | Stainless steel SS304 |
12 | Nut | Stainless steel SS304 | Stainless steel SS304 |
13 | Handle | Stainless steel SS304 | Stainless steel SS304 |
Q641F pneumatic three - piece flange ball valve main dimensions
SIZE | 1/2″ | 3/4″ | 1″ | 1 1/4″ | 1 1/2″ | 2″ | 2 1/2″ | 3″ | 4″ |
d | 15 | 20 | 25 | 32 | 38 | 50 | 65 | 76 | 100 |
L | 130 | 150 | 160 | 180 | 200 | 230 | 290 | 310 | 350 |
D | 95 | 105 | 115 | 135 | 145 | 160 | 180 | 195 | 230 |
D1 | 65 | 75 | 85 | 100 | 110 | 125 | 145 | 160 | 190 |
D2 | 45 | 55 | 65 | 78 | 85 | 100 | 120 | 135 | 160 |
b | 14 | 16 | 16 | 18 | 18 | 20 | 22 | 24 | 24 |
f | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 |
H | 75 | 95 | 90 | 110 | 130 | 140 | 140 | 180 | 250 |
W | 130 | 140 | 140 | 170 | 200 | 220 | 220 | 350 | 550 |
n-do | 4-14 | 4-14 | 4-14 | 4-18 | 4-18 | 8-18 | 8-18 | 8-18 | 8-22 |
Q641F type pneumatic three-piece flange ball valve is with a circular channel of the ball as the opening and closing parts, the ball with the stem rotation to achieve the opening and closing action of the valve, the opening and closing parts is a hole of the ball, perpendicular to the axis of the channel rotation, so as to achieve the purpose of the opening and closing channels.
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