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Process Level Gauge - Valves & Cocks
SKU: Process Level Gauge - Valves & Cocks
There are two types of shut off devices - RAV gauge valves and DG gauge cocks. RAV gauge valves have metal seats and an integrated safety ball. The DG gauge cock is a more economical solution for simp...
Steam Level Gauge - Accessories
SKU: Steam Level Gauge - Accessories
A range of accessories are produced for steam level gauges including illuminators, gauge glasses, micas, shields, gaskets, engraved scales and various other components. Read through the product detail...
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...
Pressed Glass Production - Quartz Glass
SKU: Pressed Glass Production - Quartz Glass
Quartz glass benefits from being able to resist temperatures up to 1200°C. It has excellent resistance to chemical attack. The principal application of quartz in a press glass form are sight glasses,...
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...
Packing Sleeves
SKU: Packing Sleeves
Boiler packing sleeves are essential components in industrial boilers, designed to provide efficient sealing and prevent leakage around the boiler's tubes. Our Packing Sleeves are made from 99.5...
Port Gauge Kits
SKU: Port Gauge Kits
Ports Gauge Kits are used in high pressure level gauge application. The kits vary according to the Glass Manufacture, but generally the comprise of:High Pressure Port GlassMicasGasketsWe are able to...
Pressed Glass Production - Opal Glass
SKU: Pressed Glass Production - Opal Glass
We use opal glass, triplex opal, flashed opal glass for a wide range of pressed glass applications. Opal glass is an excellent diffuser of light so its principal used is the production of pressed glas...
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...
Rubber Cones / Square Section Rubbers
SKU: Rubber Cones
John Moncrieff offers a wide range of high-quality rubber cones and square section rubbers designed to provide reliable sealing for glass tubes in various boiler applications. These precision-enginee...
Gaskets
SKU: Gaskets
John Moncrieff is a leading provider of top-quality gaskets, specializing in a wide range of materials including Novus 30, Novus 49, RGS3, PSM/AS, Klinger C4430, C4440, and EPDM. Our gaskets are desi...
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...
LED hazardous and safe area sightglass light fittings
SKU: LED hazardous and Safe area
We closely observes the development of the LED technology for years and may therefore present a wide range of innovative sightglass light fittings for applications either in hazardous or in safe ares...
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...
Valve Spares / Die Form Rings
SKU: Valve Spares / Die Form Rings
John Moncrieff is a leading supplier of high-quality boiler valve spares and die formed packing rings, essential components for ensuring the efficient and reliable operation of your boiler valves.Die...