50mm Bottom Entry Glycerine Filled Pressure Gauge


50mm Bottom Entry Glycerine Filled Pressure Gauge

The 50mm Bottom Entry Glycerine Filled Pressure Gauge from GNW Instrumentation provides local pressure indication for industrial equipment, pipework, machinery and maintenance replacement duties. Its compact 50mm dial gives operators and engineers a practical reading point where a glycerine filled pressure gauge is required at the point of measurement.

The bottom entry connection suits upright installation on pipework, manifolds, gauge valves and equipment ports, with the dial presented towards the operator for local reading. The glycerine filling helps damp pointer movement caused by vibration or pressure pulsation, supporting a steadier local indication in demanding service conditions.

This gauge is suited to engineers, OEMs and maintenance teams specifying a direct-reading pressure instrument for routine monitoring, commissioning and equipment checks. The wetted material compatibility should be checked carefully, particularly where brass wetted parts are used. Final selection should consider the required pressure range, process medium, vibration level, operating temperature and installation layout.

Selection and Installation Considerations

Before ordering, compare the gauge configuration with the existing installation or project specification. Correct selection helps improve readability, service life and measurement confidence.

  • Use the 50mm dial where installation space is restricted and close-range reading is acceptable.
  • Confirm the bottom entry connection suits the pipework, manifold or equipment port orientation.
  • Check media compatibility with the wetted parts and use the filled case where vibration damping is beneficial.
  • Select a pressure range that allows normal operating pressure to sit comfortably within the scale.
Range: -1/0 bar to 0/+2 bar & -30/0 inHg to 0/+30 psi

Range

Thread Size: 1/8'' BSP

Thread Size

Calibration Certificate: No

Calibration Certificate

Sale price£23.00

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Product specification

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Technical Specification

Size
50mm
Case
304 Stainless Steel
Bezel
Crimped 304 Stainless Steel
Wetted Parts
Brass
Window
Polycarbonate Plastic
Dial
Aluminium - Dual Scale
Pointer
Black Aluminium
Accuracy
2.5%
Connection Size
1/8'' BSP, 1/4'' NPT, 1/4'' BSPT, 1/4'' BSP
Connection Orientation
Bottom Entry

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Applications

Small Pipework Systems

Suitable for small pipework systems with fluctuating pressure conditions.

Portable Equipment

Used on portable systems where vibration resistance improves gauge life.

Air Compressors

Used in compressed air systems where pulsation affects standard gauges.

General Applications

Used in general-purpose systems where improved durability is required.

Features

Dial

50mm dial provides a clear and easy-to-read display in a compact format.

Configuration

Bottom entry configuration for direct mounting into small pipework systems.

Construction

Glycerine-filled steel case with brass internals offers stable readings and vibration resistance.

Accuracy

Reliable accuracy typically ±2.5% of full scale for standard industrial applications.

FAQs

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