Overview
The Noshok 25-900-300 pressure gauge is a high-quality liquid-filled dial gauge engineered for reliable pressure monitoring in hydraulic, pneumatic, and industrial fluid systems. This model features a 2.5″ ABS case with copper alloy internals, 300 psi/kPa rating, 1/4 NPT male bottom connector, and glycerin fill. The gauge combines durability with accuracy, making it suitable for demanding industrial environments.
Key Features
- Molded plastic dial with white background, black primary scale, red secondary scale, and UV-resistant design
- Brass and nylon movement with highly polished bearing surfaces
- Impact-resistant ABS and stainless steel case with copper alloy and brass wetted parts
- Designed for applications with pulsation, vibration, and shock where media is not corrosive to brass
- Complies with EN-837-1 and ASME B40.100 standards for overpressure protection
- Glycerin-filled for extended service life and vibration dampening
Technical Specifications
- Pressure Range: 0–300 psi / 0–300 kPa
- Case Material: ABS (Acrylonitrile Butadiene Styrene)
- Case Size: 2.5″ diameter
- Internal Materials: Copper alloy and brass
- Connection: 1/4″ NPT male bottom
- Fill Medium: Glycerin
- Dial: Molded plastic with white background
- Lens: Plexiglass
- Standards: EN-837-1, ASME B40.100
Typical Applications
The Noshok 25-900-300 is ideal for automotive, construction, hydraulics and pneumatics, power generation, transportation, and water management applications. This gauge is well-suited for:
- Hydraulic system pressure monitoring
- Pneumatic line verification
- Pump discharge pressure measurement
- Accumulator and reservoir monitoring
- Industrial machinery and equipment control
Compatibility & Replacements
Compatible With
- Hydraulic systems using mineral oil, water-glycol, or synthetic fluids (non-corrosive)
- Pneumatic systems (dry or oil-lubricated)
- Equipment with 1/4″ NPT bottom-mount ports
- Industrial fluid power systems rated 0–300 psi
Replaces / Drop-In Replacement For
- Other Noshok 900 series gauges with equivalent 300 psi/kPa rating and 1/4 NPT bottom configuration
- Verify compatibility with your system integrator before ordering for legacy equipment upgrades
Works With
- Diaphragm seals and snubbers (optional accessories)
- Panel-mount clamp hardware
- Swivel adapters and mating connectors
- Distribution manifolds for multi-instrument configurations
