Tank Gauges/Oil Sights
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
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
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
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
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
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
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
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,...
Sight Glass Window
SKU: Sight Glass Window
Type SF & SG Sight Plugs – Compact Level Indicators The John Moncrieff Ltd Type SF & SG Sight Plugs are compact, low-cost assemblies that provide reliable and posit...
Tank Gauges & Oil Sights
At John Moncrieff Ltd, we specialise in providing a comprehensive range of tank gauges and oil sight glasses designed to deliver accurate level and condition monitoring across a wide array of industrial environments. Our commitment to engineering quality, innovative design, and customer satisfaction underpins our reputation as a global partner for level-indication solutions.
Product Highlights
- Standard Tubular Tank Gauges: Rigid tubes suitable for general-service sealed tanks — offered in both carbon and stainless steel constructions.
- Quick-Mount Tank Gauges: Designed for industrial use with a unique isolating valve and collar design to allow maintenance without tools or draining the vessel.
- Boiler & Water Level Gauges: Robust devices engineered for moderate-pressure boilers, including auto shut-off valves and lever operation as standard.
- Oil Sight Glasses: Simple, reliable brass body tubular level gauges with heat-proof glass — ideal for lubricant tanks and oil reservoirs.
- CPI Gauges (Chemical & Process Industry): Designed for direct visual level observation of aggressive liquids and solvents, with higher pressure and chemical resistance capabilities.
- Push-Button & Window Units: Compact level-indication solutions where space is limited or minimal clearance is available — screw-in plugs with high-quality glass viewing windows.
Why Choose Us
- Global Experience: Trusted by clients across multiple industries and geographies for engineered level-monitoring systems.
- Engineering Integrity: Products designed and manufactured in the UK with full traceability and high build standards.
- Broad Application Range: From low-pressure oil vessels to chemical tanks, we support varied process environments.
- Responsive Delivery: Standard units available with short lead times, while custom solutions are engineered to schedule.
Whether you’re monitoring oil levels, fluid condition, or bulk storage systems, John Moncrieff Ltd has a level-gauge solution engineered to match your requirement — robust, visible, and built to last.
Contact our team for specification guidance.