The Power-Genex LU Series lock‑up valve manual provides safety instructions, specifications, installation, operation, and setting procedures.
About this manual
The manual introduces the Power‑Genex LU Series lock‑up valve, a pneumatic safety valve that retains a set supply‑air pressure and ensures steady process control when the supply air fails. It includes safety alerts, required qualified personnel, and guidelines for transport, storage, and handling.
The document details technical specifications, part numbering, principle of operation, parts list, application examples, and step‑by‑step setting instructions, followed by dimensions and manufacturer contact information.
What's inside
- Introduction
- Overview
- Specifications
- Part Numbering System and Nameplate
- Principle of Operation
- Parts List
- Applications
- How to Set
- Dimensions
Specifications
| Max. Supply / Output Pressure | 10 kgf/㎠ (105 psi) |
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| Set Pressure Range | 1.4 ~ 7 kgf/㎠ |
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| Max. Signal Pressure | 7 kgf/㎠ (105 psi) |
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| Flow Capacity (Cv) | 0.9 |
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| Operating Temperature Range | -20 ~ +70℃ |
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| Pneumatic Connections | Rc 1/4 or NPT 1/4 |
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| Hysteresis | 0.1 kgf/㎠ |
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| Material | Aluminum diecast |
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| Weight | 0.6 kg (single acting), 0.8 kg (double acting) |
Frequently asked questions
What safety precautions must be followed when using the LU Series lock‑up valve?
All personal safety notices are highlighted by a safety alert symbol and users must read and follow all safety instructions, use clean compressed air, and ensure qualified personnel handle the valve.
What are the steps to set the LU Series lock‑up valve?
First set the positioner, then adjust the supply‑air pressure to the desired level, turn the adjust screw clockwise until the valve operates, apply a 4‑20 mA signal and fine‑tune the screw counter‑clockwise, finally re‑tighten the lock nut.