Hydraulic pumping check valve purposes: The liquid-operated extraction check valve is installed in the extraction horizontal pipeline leading from the low-pressure gas-conducting pipe in the steam turbine, mainly to prevent over-speeding of the steam turbine due to steam or accidents in the extraction pipe. Hydraulic pumping check valve Hydraulic pumping check valve features: 1, the valve plate with a large bevel angle, shorten the opening and closing stroke, hydraulic aids to achieve fast opening and closing, three-dimensional eccentric seal structure, open the seal that is separated, close the contact is sealed, open and close light and flexible. (≤ DN250 using cut-off type) 2, the valve plate by the thrust, reaching the deadline, the purpose of checking. 3, fast closing time up to 0.5 ~ 1 second, emergency cut off safe and reliable. Hydraulic pumping check valve technical requirements: 1. Hydraulic source interface: RC1 / 2 2. Hydraulic cylinder operating pressure: 2.0 MPa, 3. Emergency cut off time; 0.5-1 seconds 4. Connecting flange: JB / T79-94 GB / 9113.2000 5. Structure length: GB 12221-89 6. Power supply voltage: AC220-DC24V Gyratory Crusher Parts,Gyratory Crusher Mantle,Gyratory Crusher Spare Parts,Gyratory Crusher Wearing Parts Baizhu Network Technology Co., Ltd. , https://www.baizhunet.com
Hydraulic pumping check valve technical requirements
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