Oil & Gas Industry

  • Product Code: Oil & Gas Industry

John Moncrieff — Your Premier Supplier of Glass and Components for the Oil & Gas Industry

At John Moncrieff Ltd, we are a trusted supplier of high-quality glass and precision-engineered components for the oil and gas sector. Our products are built for reliability, durability, and performance in even the most demanding environments — onshore and offshore alike.

Our Product Range

  • Sight Glasses: Designed for clear visual inspection of fluid levels and flow in industrial systems.
  • Level Gauges: Provide accurate measurement and monitoring of liquid levels within tanks and process vessels.
  • Flow Indicators: Allow operators to observe flow rates and detect potential blockages or irregularities.
  • Glass Pipes: Engineered for strength, transparency, and chemical resistance, suitable for a wide range of fluid-handling applications.

Serving Every Stage of the Oil & Gas Process

  • Onshore & Offshore Operations: Reliable, corrosion-resistant components designed for harsh operating conditions.
  • Production & Processing: High-performance glass solutions that improve efficiency, safety, and process control.
  • Maintenance & Repair: Fast delivery of replacement parts with expert support to reduce downtime.

Precision, Reliability & Support

At John Moncrieff Ltd, we prioritize quality, reliability, and customer satisfaction. Contact us today to discuss your project requirements and discover how our precision glass components can optimize your operations.



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...

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...

Sight Glass Window

Sight Glass Window

SKU: Sight Glass Window

Type SF & SG are compact low-cost assemblies that provide reliable level indication, and positive indication when liquid is present. These screw-in plugs are fitted with high quality glass. They...

Gauge Glass - Reflex

Gauge Glass - Reflex

SKU: Gauge Glass - Reflex

John Moncrieff — Maxos Reflex Gauge Glass At John Moncrieff Ltd, we supply Maxos Reflex Gauge Glass, recognised worldwide for its clarity, strength, and precision engineering. ...

Gauge Glass - Transparent

Gauge Glass - Transparent

SKU: Gauge Glass - Transparent

John Moncrieff — Maxos Transparent Gauge Glass At John Moncrieff Ltd, we supply Maxos Transparent Gauge Glass, engineered for clarity, durability, and high-pressure performance. ...

Tags: oil & gas glass components, sight glass, level gauge glass, flow indicator glass, tubular gauge glass, glass tubing for oil industry, high pressure sight glass, custom glass for oil & gas, glass components supplier UK