IMPA: 590821

Air Line Pressure Regulator PT1/4 (IMPA 590821)

This non-relief valve type air line pressure regulator is designed for marine pneumatic systems to maintain a constant downstream pressure. Featuring PT1/4 threaded connections, it ensures reliable regulation and stability in shipboard airline applications. The unit includes a pressure gauge as a standard accessory for easy monitoring.

With a maximum operating pressure of 9.9 kgf/cm² and operating temperature up to 60°C, this regulator is built to withstand harsh marine environments. The adjustable set pressure range of 0.05–0.85 MPa allows precise control for various pneumatic tools and equipment. Its robust construction provides long-lasting performance in demanding ship supply conditions.

Key Features

Technical Specifications

SpecificationValue
Connection ThreadPT 1/4
Set Pressure Range0.05 – 0.85 MPa (7.25 – 123 psi)
Max Operating Pressure9.9 kgf/cm² (140 psi)
Max Operating Temperature60°C (140°F)
TypeNon-relief valve pressure regulator
Accessories IncludedPressure gauge
UnitPer piece

Frequently Asked Questions

What is the difference between a relief and non-relief type regulator?

A non-relief valve regulator does not have an internal relief valve; it maintains pressure by restricting flow rather than venting excess pressure. This design provides stable output and is preferred in applications where pressure must be held precisely without bleeding air to atmosphere.

Can this regulator be used with water or other fluids?

No, this regulator is designed specifically for compressed air systems. Using it with water or other liquids may cause internal corrosion or damage. For fluid applications, use a dedicated hydraulic pressure regulator.

What type of pressure gauge is included?

The included pressure gauge typically indicates output pressure in MPa and psi dual scale. It is a standard 40mm or 50mm dial gauge with a 1/8" NPT or similar connection, suitable for panel or inline mounting.

Is this regulator suitable for marine environments with high humidity?

Yes, the materials and construction are chosen for durability in marine atmospheres. However, regular inspection and maintenance are recommended to prevent corrosion from salt spray. Use of stainless steel fittings is advised for long life.

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