Product Overview：
There are two series of pneumatic hard-seal ball valves, Q641H pneumatic floating hard-seal ball valve and Q647H pneumatic fixed hard-seal ball valve.
Specifications
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Nominal diameter (mm) |
15 |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
|
Nominal pressure (MPa) |
PN1.6,2.5,4.0,6.4MPa |
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Leakage |
Hard seal: ≤ 10-5 of rated flow |
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Valve body type |
Two-stage valve body (floating ball) |
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Valve core type |
“O” type ball valve core |
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Sealing packing |
Metal graphite spiral wound gasket |
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Flow characteristics |
Approximate fast opening characteristics |
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Proper temperature |
Sealing surface |
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Hard seal ≤450℃ |
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Configuring the actuator |
AT series single acting (SR) double acting (DA) pneumatic actuator |
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Control method |
Switch two-position control, 4-20mA analog control |
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