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Zhuhao ZHPC price for QF514C quick exhaust valve, factory direct
A quick exhaust valve is a type of one-way directional valve. The QF514C quick exhaust valve consists of components such as the housing, pilot valve, valve spool retaining ring, and sealing ring. When compressed air is supplied to the air inlet, the pilot valve and valve spool, driven by the compressed air, seal the exhaust port, allowing the compressed air to flow through the outlet and enter actuators such as pneumatic cylinders and pneumatic tires.
Keywords:
Category:
Pneumatic components for oilfield equipment
I. Characteristics:
A quick exhaust valve is a type of one-way directional valve. The QF514C quick exhaust valve consists of components such as the housing, pilot valve, valve spool retaining ring, and sealing ring. When compressed air is supplied to the inlet port, the pilot valve and valve spool, actuated by the compressed air, seal the exhaust port, allowing the compressed air to flow through the outlet port into actuators such as pneumatic cylinders and pneumatic tires. When no compressed air is supplied to the inlet port, the pressure of the compressed air in the actuator and the outlet line exceeds the pressure at the outlet, pushing the pilot valve and valve spool toward the outlet and thereby connecting the outlet to the exhaust port. This rapidly vents the compressed air from the actuator and the outlet line. The valve offers advantages such as rapid intake and exhaust flow and a large flow area.
The QF514C quick exhaust valve is one of the most widely used pneumatic components in the pneumatic systems of oil and geological exploration drilling rigs; it can also be employed in workover rigs and other pneumatic systems. Typically, this valve is installed on the air-supply inlet lines of actuating elements—such as pneumatic cylinders and pneumatic tire clutches—as well as pneumatic tools, to achieve rapid air intake and exhaust.
II. Graphical Symbols:
III. Main Technical Parameters
Nominal diameter (mm) |
15 |
Nominal pressure MPa |
0.8 |
Leakage rate mL/min |
≤50 |
Start Time S |
≤0.05 |
Start time S |
≤0.03 |
Minimum working pressure MPa |
≤0.05 |
Effective cross-sectional area s value |
≥60 |
Withstand Voltage Performance MPa |
1.2 |
Operating ambient temperature (°C) |
-25 to 60°C (Note: -40°C low-temperature-resistant products require special customization.) |
IV. External Appearance and Installation Dimensions
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Application fields
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Large oilfield
Mine
Railway
Drilling machine
Well workover rig
Well-logging machine
Oil Production Plant
Large oilfield
Mine
Railway
Drilling machine
Well workover rig
Well-logging machine
Oil Production Plant
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Need help? We’re here to help!
Phone/Fax
+86-631-5684177
Service hotline (same number on WeChat)
+8615588424700
+8613561811500
Contact email
whzhpc.business@whzhpc.com
Contact Address
No. 55 Dalian Road, High-Tech Industrial Development Zone, Weihai City, Shandong Province
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