Tubular Gauge Glass - High Pressure

  • Product Code: Tubular Gauge Glass - High Pressure

John Moncrieff — High-Pressure Borosilicate Tubular Gauge Glass

At John Moncrieff Ltd, we supply high-pressure borosilicate tubular gauge glass engineered for demanding sight glass applications in boilers, tanks, and pressure vessels.

Manufactured from premium borosilicate tubing, these gauge glasses deliver outstanding mechanical strength, thermal resistance, and optical clarity, ensuring dependable performance under extreme operating conditions.

To further enhance visibility and reading accuracy, we also offer models with red and white meniscus lines, providing a clear liquid level contrast in both light and dark media.

Our tubular gauge glasses combine precision, durability, and reliability, making them the preferred choice for industrial and high-pressure sight glass systems worldwide.


Please see below links to our Standard Sizes & Technical Information:


Standard Tank Gauge

Standard Tank Gauge

SKU: Standard Tank Gauge

Our Standard Tubular level gauge is suitable for level monitoring on tanks and similar sealed vessels. The gauges are available in both carbon and stainless steel. Delivery; 1 week or less. They can b...

Quickmount Tank Gauge

Quickmount Tank Gauge

SKU: Quickmount Tank Gauge

Our most popular Tank Level Gauge is designed for general industrial use. The unique isolating valve and collar design, allows for maintenance of the gauge column without tools and the need to drain t...

Boiler Water Level Gauge

Boiler Water Level Gauge

SKU: Boiler Water Level Gauge

Our standard Boiler and Water Level Gauge is offers a robust design suitable for lower pressure Boilers and General water Level applications. Auto Shut off Valves as Standard, Lever Operated, Superior...

Marine Gauge Push Button

Marine Gauge Push Button

SKU: Marine Gauge Push Button

The Marine gauge is designed for use within the marine and offshore industries. Due to its tubular design this gauge is suitable only for use with non-flammable liquids. For flammable see either our G...

Mini Gauge

Mini Gauge

SKU: Mini Gauge

Mini Gauge is an effective yet simple tubular gauge. Its valve less connection ends screw directly into the vessel and commonly used for compressor lube oil tanks or small water tanks or in the case...

Oil Sights

Oil Sights

SKU: Oil Sights

Our Oil Level gauge is a very simple brass and heat proof glass tubular level gauge unit to provide level indication, primarily on oil tanks. As standard they are fitted from the base, but a double b...

CPI Gauge

CPI Gauge

SKU: CPI Gauge

The CPI Tubular Gauge (Chemical and Process Industries) is designed to provide direct level observation of chemicals and solvents.For applications with higher pressure requirements, or where a more r...

Push Button Gauge

Push Button Gauge

SKU: Push Button Gauge

Our basic push button tubular level gauges provide a very simple level monitoring solution. They offer a clear rigid PVC tube, that can be cut to any length to suit your application.The unit is fitte...

Rubber Cones / Square Section Rubbers

Rubber Cones / Square Section Rubbers

SKU: Rubber Cones

John Moncrieff — Rubber Cones & Square Section Rubbers for Boiler Applications At John Moncrieff Ltd, we supply a wide range of high-quality rubber cones and square section rubber...

Tags: tubular gauge glass, high pressure gauge glass, borosilicate gauge tubing, tubular level gauge, sight glass tubing, high pressure sight glass, gauge glass supplier UK, level indicator glass tube