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Quartz Glass
SKU: Quartz Glass
Quartz Glass: The Ultimate in Purity and Performance Quartz glass—also known as fused silica—sets the benchmark for purity, thermal stability, and optical performance. Its extraor...
Rectangular Sight Glass Fitting
SKU: Rectangular Sight Glass Fitting
Rectangular Sight Glass Fitting The Rectangular Sight Glass Fitting provides a robust, extended-view inspection window engineered for welding into or onto vessel...
Soda Lime Glass
SKU: Soda Lime Glass
Soda Lime Sight Glass Discs Product Code: Soda Lime Glass Our high-quality Soda Lime sight glass discs are precision-manufactured replacements suitable for ...
Spray Device
SKU: Spray Device
Lumiglas Spray Device – Automatic Cleaning for Circular Sight Glass Fittings The Lumiglas Spray Device is engineered to provide intermittent or continuous automatic cleaning ...
Steam Level Gauge - Transparent
SKU: Steam Level Gauge - Transparent
Transparent Level Gauge — Accurate Readings for Viscous, Interface & Coloured Liquids The Transparent Level Gauge is engineered for accurate level detection in viscous, interf...
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...
Borosilicate Glass
SKU: Borosilicate Glass
Borosilicate Sight Glass Discs Product Code: Borosilicate Glass Our premium borosilicate sight glass discs are engineered as high-performance replacements for...
Composite Type C – Vacuum
SKU: Composite Type C – Vacuum
Composite Type C – Vacuum Bursting Disc The Composite Type C – Vacuum bursting disc is designed for low to medium vacuum and underpressure protection, providing highly accu...
Double Glass Sight Glass Fitting
SKU: Double Glass Sight Glass Fitting
Double Glass Sight Glass Fitting The Double Glass Sight Glass Fitting from John Moncrieff Ltd is engineered for applications demanding an extra level of operational securi...
ESL53 LED
SKU: ESL53 LED
ESL53 LED – Precision Cold-Light Illumination for Industrial Process Visibility The ESL53 LED luminaire delivers crisp, high-contrast illumination for vessels, tanks, rea...
ESL55 LED Ex
SKU: ESL55 LED Ex
ESL55 LED Ex – Explosion-Proof Sightglass Luminaire The ESL55 LED Ex luminaire delivers high-intensity, reliable illumination for visual flow indicators, pipelines, bio-r...
Glass with hole for wiper
SKU: Glass with hole for wiper
Circular Sight Glass Discs with Central Hole for Wiper Assemblies Specification: Lumiglas Sight Glass Disc, Circular, with 10.5 mm Central Hole Standards: DIN 890...
Metaglas Type 19.CF
SKU: Metaglas Type 19.CF
METAGLAS® Type 19.CF — ConFlat UHV Sight Glass Assembly The METAGLAS® Type 19.CF sight glass is engineered for the most demanding ultra-high vacuum (UHV) environments. Designed...
Metaglas Type 64 Round Head
SKU: Metaglas Type 64 Round Head
METAGLAS® Type 64 — Round Head Threaded Sight Glass (Flush-Mount, Oil Level) The METAGLAS® Type 64 Round Head is a flush-mounted, air-side threaded sight glass engineered for femal...
Metaglas Type 80.SW
SKU: Metaglas Type 80.SW
METAGLAS® Type 80.SW — Clamp-Fit Metal-Fused Sight Glass (DIN 32676 / ISO 2852) The METAGLAS® Type 80.SW is a metal-fused sight glass specifically designed for clamp fittings to D...
Metaglas Type 81
SKU: Metaglas Type 81
METAGLAS® Type 81 – Metal-Fused Sight Glass for Pipe Coupling (DIN 11851) The METAGLAS® Type 81 sight glass is a metal-fused, tapered design engineered for pipe couplings in accor...
Metaglas Type 84.BF
SKU: Metaglas Type 84.BF
METAGLAS® Type 84.BF — Aseptic Flange Sight Glass with Notch (DIN 11864-2 Form A) The METAGLAS® Type 84.BF is a precision-engineered aseptic sight glass designed for flange conn...
Pressed Glass Production - Borosilicate Glass
SKU: Pressed Glass Production - Borosilicate Glass
Borosilicate, often referred to by the more popular name, Pyrex. It is the ideal material for pressed glass products that are exposed to heat or chemical attack.Key Information for borosilicate...
Process Level Gauge - Illuminators
SKU: Process Level Gauge - Illuminators
EEx Illuminator — Explosion-Proof Lighting for Level Gauges The EEx-rated Illuminator provides safe, efficient, and concentrated lighting for level gauge applications in h...
Quartz Glass
SKU: Quartz Glass
Quartz Glass Quartz glass (SiO2) is a high-performance, single-component glass valued across scientific and industrial sectors for its purity, thermal stability, and exceptional optical c...
Rectangular and Obround Glass
SKU: Rectangular and Obround Glass
Rectangular & Obround Sight Glass Assemblies Engineered for dependable process visibility, our rectangular and obround sight glass plates deliver robust performance in fluid l...
Steam Level Gauge - Bi-Colour
SKU: Steam Level Gauge - Bi-Colour
Bi-Colour Steam Level Gauge — Precision Visibility for High-Pressure Steam Systems The Bi-Colour Steam Level Gauge is designed specifically for high-pressure boilers operating up...
SW1 Wiper
SKU: SW1 Wiper
SW1 Wiper – Manual Internal Cleaning for Circular Sight Glass Assemblies The SW1 Wiper is a precision-engineered manual cleaning device designed for use with circular sigh...
Technical Application for Glass Rods
SKU: Glass Rods - Technical Application
John Moncrieff — Technical Applications for Glass Rods Explore the endless potential of glass rods, a versatile and precision-engineered material used across a wide range of ...