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TMR8-L6 Handwheel Pressure Regulating Valve H-4R431002818 R431002819 R431002820 R431002821 R431002822 R431002885 R431002886
The H-4 (TMR8-L6) control air valve is a series of pneumatic pressure‑regulating, directional valves. Operated manually or mechanically, it can regulate both air pressure and flow rate, with these functions controllable within a single air circuit.
Keywords:
Category:
Pneumatic components for oilfield equipment
1. Model: TMR8-L6 H-4
H-4 Control Air Rotary Knob Operated Valve (H-4-G) (IA150)
TMR8-L6 Handwheel Pressure Regulating Valve (QY403) (QF540)
TMR8-L6-Left-hand Thread (QY404) (Handwheel Pressure Regulator with Left-hand Thread)
ATR8-DW Handwheel Operated Valve
II. Features
The H-4 (TMR8-L6) control air valve is a series of pneumatic pressure‑regulating, directional valves. Operated manually or mechanically, it can regulate both air pressure and flow rate, with these functions controllable within a single air circuit.
Handwheel operation can serve as a pressure-regulating circuit.
III. Graphic Symbols
IV. Technical Parameters
| Model number | TMR8-L6(H-4) |
| Diameter (mm) | 6 |
| Maximum Pressure (MPa) | 1.6 |
| Pressure Range (MPa) | 0-0.8 |
| Flow Characteristics (MPa) | ≤0.05 |
| Pressure Characteristics (MPa) | ≤0.02 |
| Leakage rate (ml/min) | ≤150 |
| Temperature (°C) | -25~60 (Note: Low-temperature‑resistant products down to -40°C require special customization) |
| Connection Type (Threaded) | NPT 1/4" |
V. External Dimensions and Mounting Dimensions
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Application fields
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Large oilfield
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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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