Glass Products
Coloured Glass Tubes
View Products
Gauge Glasses
View Products
Glass Discs And Panels
View Products
Glass Rods
View Products
Glass Tubes
View Products
Lead Glass Tubing
View Products
Profile Tubing, Cappilary & Rods
View Products
Quartz Glass
View Products
Sapphire Glass
View Products
Tubular Gauge Glass
View ProductsJohn Moncrieff — Industrial Glass Products
At John Moncrieff Ltd, we supply an extensive range of high-performance glass products engineered for industrial, scientific, and engineering applications. With decades of expertise and a legacy of craftsmanship, we provide reliable, precision-made glass components that deliver exceptional durability and performance — even in the most demanding environments.
Our Glass Products
- Sight & Gauge Glasses: Circular sight glasses, reflex and transparent gauges, and tubular gauge glass — designed for clear visibility and reliability in process systems.
- Glass Tubes & Rods: Available in a range of sizes and materials for industrial and laboratory use.
- Pressed & Blown Glass: Custom-shaped glass components formed with precision to meet specific design and functional requirements.
- Glass Discs & Panels: Flat or curved glass pieces used in windows, instruments, enclosures, and lighting systems.
- Custom Glass Parts: Manufactured to your drawings and specifications for unique applications.
Materials Expertise
We manufacture using a variety of specialist materials, including borosilicate, soda-lime, aluminosilicate, quartz, and sapphire glass — each chosen to match your optical, mechanical, and thermal performance needs.
Our Extended Industrial Glass Range
- Glass Tubing & Rods (Borosilicate & Soda-Lime)
- Sight Glass Discs & Viewports
- Level Gauge Glass & Reflex Gauges
- Glass Domes, Lenses & Windows
- Glass Plates & Panels
- Glass Pipe Liners & Fittings
- Fused Quartz Components
- Custom-Formed & Machined Glass Parts
Expert Support from Start to Finish
Whether you require a single sight glass or a custom-engineered assembly, the John Moncrieff team will help you select the right glass type, material, and finish — ensuring long-term safety, performance, and reliability.