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.


Technical Downloads:


Standard Tank Gauge

Standard Tank Gauge

SKU: Standard Tank Gauge

Standard Tubular Level Gauge The John Moncrieff Ltd Standard Tubular Level Gauge is designed for reliable and accurate level monitoring on tanks and sealed vessels. Availab...

Quickmount Tank Gauge

Quickmount Tank Gauge

SKU: Quickmount Tank Gauge

Quickmount Tank Level Gauge The John Moncrieff Ltd Quickmount Tank Level Gauge is our most popular unit — engineered for general industrial use where reliability, serviceab...

Boiler Water Level Gauge

Boiler Water Level Gauge

SKU: Boiler Water Level Gauge

Standard Boiler and Water Level Gauge The John Moncrieff Ltd Standard Boiler and Water Level Gauge offers a robust and reliable design ideal for lower pressure boilers and...

Marine Gauge Push Button

Marine Gauge Push Button

SKU: Marine Gauge Push Button

Marine Gauge – Tubular Level Gauge for Marine & Offshore The John Moncrieff Ltd Marine Gauge is engineered for marine and offshore duty. Its tubular design delivers cle...

Mini Gauge

Mini Gauge

SKU: Mini Gauge

Mini Gauge – Compact Tubular Level Gauge The John Moncrieff Ltd Mini Gauge is a simple, effective valveless tubular level gauge. Its connection ends screw directly into the...

Oil Sights

Oil Sights

SKU: Oil Sights

Oil Level Gauge – Compact Brass & Heat-Resistant Glass Assembly The John Moncrieff Ltd Oil Level Gauge is a simple yet robust brass and heat-proof glass tubular level...

CPI Gauge

CPI Gauge

SKU: CPI Gauge

CPI Tubular Gauge (Chemical & Process Industries) The John Moncrieff Ltd CPI Tubular Gauge delivers direct, no-nonsense level observation for chemicals and solvents in...

Push Button Gauge

Push Button Gauge

SKU: Push Button Gauge

Push-Button Tubular Level Gauge John Moncrieff Ltd push-button tubular level gauges deliver a straightforward, cost-effective solution for visual level monitoring. A clear,...

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