Tubular Marine Gauge – For Non-Flammable Service at Sea

The John Moncrieff Ltd Tubular Marine Gauge is engineered for duty in the marine and offshore sectors. Its tubular design delivers clear, reliable level indication on ships and rigs — and is intended for non-flammable liquids only. For flammable service, specify G35 Seemag or G31 Seeflex.

Typical shipboard use: water storage and coolant tanks on cargo vessels, tugs, and naval craft. On land, the unit is suitable for diesel and fuel oil applications.

Approval & Compliance

• Conforms to: EN BS ISO 10088 (Recreational Craft Directive)

Example Applications

• Diesel (on-land applications)
• Fuel oil (on-land applications)
• Lubrication oil (on-land applications)
• Water
• Coolant
• Chemicals
• General liquid storage

Key Features

• Connections: ½″ or ¾″ BSP and NPT female fittings.
• Push-Button Operation: Spring-loaded valve reseals the gauge; damage-resistant – liquid cannot escape.
• Easy Cleaning: Gauge tube removable for cleaning while valves remain sealed.
• High Visibility: Magnifying coloured strip highlights colourless liquids for fast reading.
• Mounting Options: Flanges (DN or ANSI) available; welded boss option.
• Valve Materials: Brass or stainless-steel valves to suit environment.
• Lengths: Up to 5 m+.
• Tubing Options: Acrylic tube option.
• Protection: Robust tubular guard protects the sight tube.
• Graduations: Capacity units marked on guard tube or supplied on an engraved scale plate.

Built for shipboard realities — rugged, readable, and easy to service. Specify the Tubular Marine Gauge to keep level checks simple and reliable at sea.

Technical Specifications: