Features: Steam available and can be started at zero pressure
Sealing: The valve adopts a piston type, usually sealed with PTFE, and sealed with nitrile rubber in a vacuum environment.
Optional: normally open, explosion-proof, waterproof, vacuum type
Media: liquid, gas, steam, oil
Working temperature: optional ≤ 180 ºC, optional ≤ 220 ºC,
Work pressure: 1.6MPA
Working pressure difference: 0-0.8MPA
Model | connection method | Length | High |
ZQDF-15 | G 1/2'' | 70 | 140 |
ZQDF-20 | G 3/4'' | 80 | 145 |
ZQDF-25 | G 1'' | 90 | 150 |
ZQDF-32 | G 1 1/4'' | 110 | 200 |
ZQDF-40 | G 1 1/2'' | 120 | 210 |
ZQDF-50 | G 2'' | 130 | 220 |
ZQDF-65 | G 2 1/2'' | 145 | 250 |









