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QF516 Bi-directional Air-Flow Valve, ZHPC Zhonghao Pneumatic Components
Used in pneumatic control systems to allow compressed air to flow smoothly from the stationary section of the piping into the rotating section.
Keywords:
Category:
Pneumatic components for oilfield equipment
I. Characteristics
Used in pneumatic control systems to allow compressed air to flow smoothly from the stationary section of the piping into the rotating section.
II. Graphical Symbols
III. External Appearance and Installation Dimensions
| Codename | Model Specifications | Main External Materials | Model Specifications |
| QY495 | XJ2-F10 | Die-cast aluminum | P: ZG 3/8" A: ZG 3/8" Figure 1 |
| QY516 | --- | Die-cast aluminum | P: ZG 3/8" A: ZG 3/8" Figure (2) |
| External dimensions (mm) | 156*124*115 |
| Installation dimensions (mm) | (4-φ13) * φ90 |
| Interface dimensions | 2-ZG3/8" |
IV. Technical Parameters
| Diameter (mm) | 10 |
| Working pressure (MPa) | 1 |
| Effective Cross-Sectional Area (mm²) | ≥60 |
| Maximum spindle speed (rpm) | 1000 |
| Operating Temperature (°C) | -25~60 (Note: -40°C low-temperature-resistant products require special customization) |
| Material | Die-cast aluminum |
V. Precautions for Use
1. Grease lubricated parts once a month.
2. Air leakage: If the sealing ring is cracked, or the sealing surface is uneven or contaminated, it should be cleaned. Replace the sealing ring or lap the sealing surface.
3. Unable to rotate: Check for debris jamming the mechanism or for inflexible bearings; clean if necessary.
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Need help? We’re here to help!
Phone/Fax
+86-631-5684177
Service hotline (same number on WeChat)
+8615588424700
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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Application fields
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Dedication builds quality; quality paves the way to the future. Zhonghao looks forward to achieving a win-win future with you!
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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Other products
Specializing in pneumatic valves for petroleum machinery, air source treatment components, control components, actuating components, auxiliary components, and pneumatic tools.
and seven major product series including hydraulic components, totaling over 1,000 varieties.
Precisely match needs, customized services
Focusing on customers’ personalized needs to provide customized services, we offer over 1,000 products—including petroleum drilling and production accessories and pneumatic and hydraulic control components—that can meet the operational requirements of various industries and satisfy customers’ diverse procurement needs.
Contact now
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
If you have any questions about our products or need assistance, please feel free to contact us.
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