Oil & Gas Industry

  • Product Code: Oil & Gas Industry

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


We are a leading provider of high-quality glass and essential components for the oil and gas sector. Our extensive inventory includes:


Sight Glasses: For visual inspection of fluid levels and flow.   

Level Gauges: Precisely measure and monitor fluid levels in tanks and vessels.   

Flow Indicators: Observe fluid flow rates and identify potential blockages.   

Glass Pipes: Durable and transparent for various fluid handling applications.


We cater to the diverse needs of the oil and gas industry, offering solutions for:


Onshore & Offshore Operations: Reliable components for challenging environments.

Production & Processing: Enhanced efficiency and safety in critical processes.

Maintenance & Repair: Timely delivery of replacement parts and expert support.


At John Moncrieff, we prioritize quality, reliability, and customer satisfaction. Contact us today to discuss your specific requirements and discover how our products 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

These glasses are distinguished by the grooves down the face. The grooves increase the angle of refraction which makes the visibility of the liquid level is much better than when using Transparent Pla...

Gauge Glass - Transparent

Gauge Glass - Transparent

SKU: Gauge Glass - Transparent

Clear (smooth on both sides). In order to increase the resistance to operating conditions (pressure, temperature, aggressive environment), transparent glass is typically protected by mica shields on t...

Tags: oil and gas, sight glasses, level gauges, flow indicators, glass pipes, glass components, oilfield equipment, gas processing, onshore, offshore, industrial glass, fluid level monitoring, flow measurement, maintenance, repair, replacement parts