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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...
Tubular Gauge Glass - High Pressure
SKU: Tubular Gauge Glass - High Pressure
John Moncrieff — High-Pressure Borosilicate Tubular Gauge Glass At John Moncrieff Ltd, we supply high-pressure borosilicate tubular gauge glass engineered for demanding sigh...
VISULEX Non-Ex Camera Type K55-P-N
SKU: VISULEX Non-Ex Camera Type K55-P-N
The VISULEX K55-P-N camera system enables advanced process monitoring and remote visual inspection in non-hazardous industrial environments. Built for demanding applications, this hi...
8mm Bore Safety Relief Valve 818881253
SKU: 818881253
8mm Nominal Bore Atmospheric Discharge Safety Relief Valve for Compressed Air & GasesNotes:Relieving pressure is set at +10%Reseating pressure is set at -10%FLOW TABLEGas (Air)Pressure (bar g.)3.0...
Blown Glass Production - Coloured Glass
SKU: Blown Glass Production - Coloured Glass
Coloured glass is popular for decorative applications, we have a facility to prepare glass in various colours either using solid coloured glass, by applying a spray resin, Pate de Verre or pure colour...
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...
Coloured Glass Rods
SKU: Coloured Glass Rods
John Moncrieff — Coloured Borosilicate Glass Rods Bring creativity to life with our borosilicate coloured glass rods, offering a vibrant spectrum of hues combined with the d...
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...
Conturax® Pro Glass Tubes
SKU: Conturax Pro Glass Tubing
Conturax® Pro – Glass Tubes for Custom Applications For trade customers seeking unique, custom glass tubing solutions, Conturax® Pro offers unmatched flexibility. Produced from...
D Orifice Leser Valve 1" #150 x 2" #150 5262.0012
SKU: 5262.0012
Leser API Series Safety Relief Valve Type 526 for Liquid, Gas and Steam Applications.Notes:Maximum Pressure is dependent on temperature of the applicationFLOW TABLELiquid (Water)Pressure (bar g.)0.21...
Distillery Production Industry
SKU: Distillery Production Industry
Precision Glass Solutions for the Distilling Industry At John Moncrieff Ltd, we supply high-performance glass components designed specifically for the demanding requirements of the di...
DN25 LGS HI-FLOW Relief Valve H3625A3C37
SKU: H3625A3C37
25mm Nominal Bore Single Trim Enclosed Discharge Relief Valve for Liquid, Gas and SteamNotes:Maximum Pressure when used on Saturated Steam is 14 bar g. (203 psi g.)Overpressure = Set pressure +10% (or...
DN25 LGS Relief Valve L3625A3337
SKU: L3625A3337
25mm Nominal Bore Single Trim Enclosed Discharge Relief Valve for Liquid, Gas & SteamNotes:Maximum Pressure when used on saturated steam us 14 bar g. (203 psi g.)Overpressure = Set pressure +10% (...
DN32 P3W Relief Valve P3W32A4177
SKU: P3W32A4177
The P3W Pressure & Temperature valve provides protection against both excess temperature as well as over pressurisation. The valve will automatically discharge hot water at a predetermined s...
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...






















