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Products meeting the search criteria
Circular Sight Glass
SKU: Circular Sight Glass
John Moncrieff — Sight Glass Materials & Selection Guide Selecting the correct sight glass material is essential for ensuring long-term performance, safety, and clarity under vary...
Glass Panels
SKU: Glass Panels
John Moncrieff — Custom Glass Processing & Finishing Services At John Moncrieff Ltd, we don’t just supply standard glass — we offer precision glass processing and finishing servic...
Metaglas Type 275
SKU: Metaglas Type 275
METAGLAS® Type 275 — Circular Sight Glass for Glass-Lined Pressure Vessels The METAGLAS® Type 275 is a circular metal-fused sight glass engineered specifically for glass-lined pr...
Quartz - Sight Glass
SKU: Quartz - Sight Glass
Quartz Sight Glass: Exceptional Clarity and High-Temperature Performance John Moncrieff’s Quartz Sight Glasses deliver outstanding optical clarity and durability under cont...
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 ...
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...
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...
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...
Mica Sheild
SKU: Mica Shields
John Moncrieff — Mica Shields for Gauge Glass Protection When working with steam, hot alkaline, or acidic solutions, protecting your gauge glass is critical for maintaining system saf...
Soda-Lime Glass
SKU: Soda-Lime Glass
Soda-Lime Glass: A Versatile and Cost-Effective Solution Soda-lime glass is the world’s most widely used glass type, valued for its excellent transparency, affordability, ...
Rubber Cones / Square Section Rubbers
SKU: Rubber Cones
John Moncrieff — Rubber Cones & Square Section Rubbers for Boiler Applications At John Moncrieff Ltd, we supply a wide range of high-quality rubber cones and square section rubber...
Metaglas Type 901
SKU: Metaglas Type 901
METAGLAS® Type 901 — Dead-Zone-Free Flush Wall Sight Glass The METAGLAS® Type 901 is a precision-engineered, flush-wall sight glass designed for installation on base flanges simila...
Metaglas Type 73
SKU: Metaglas Type 73
METAGLAS® Type 73 — Metal-Fused Sight Glass According to DIN 7079 The METAGLAS® Type 73 is a metal-fused circular sight glass manufactured in compliance with DIN 7079. Designed...











