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Zhpc Oilfield Pneumatic Piston Valve 34jr6-l8 Qy427 Qy428 Ia298 R431005003 R431005004 R431005005 R431005820 Workover Rig Valve
The 2-HA-2 valve is a panel-mounted, 2-position, 3-position, or 5-position valve with one inlet and two outlets. It can be equipped with a locking mechanism at each handle position—a manually released lock to prevent accidental operation—or with a spring-return feature that returns the handles to the center position. All ports are 1/4" NPT.
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Pneumatic components for oilfield equipment
I. Characteristics
The 2-HA-2 air pilot valve is a panel-mounted, 2-position, 3-position, or 5-position valve with one inlet and two outlets. It can be equipped with a locking mechanism on the handle—either a manually released lock handle (2-HA-2L with latch) to prevent accidental operation, or a spring-return-to-center design (2-HA-2Z). All ports are NPT 1/4".
The 2-HA-2 pilot-operated directional control valve is a poppet-type pneumatic directional control valve, consisting of a cam housing section and a valve section that contains one to four three-way valve units.
II. Graphic Symbols Symbol
III. Model Number
| Model | Type | Link interface |
| 2-HA-2 (34JR6-L8) | Positioning type | NPT 1/4" |
| 2-HA-2L | With a lock | NPT 1/4" |
| 2-HA-2Z (34JR6-L8-F) | Reset type | NPT 1/4" |
IV. Technical Specification
| Model | 2-HA-2 |
| Nominal Diameter (mm) | 8 |
| Effective cross-sectional area S value (mm²) | 40 |
| Maximum Operating Pressure (MPa) | 1.00 |
| Leakage rate (ml/min) | 0 |
| Operating Temperature (℃) | -25 to 60°C (Note: Low-temperature-resistant products at -40°C require special customization.) |
| Durability (10,000 cycles) | 100 |
V. Outline and Installation Dimensions
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+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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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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Specializing in pneumatic valves for petroleum machinery, air source treatment components, control components, actuating components, auxiliary components, and pneumatic tools.
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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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