Gauge Glasses
Gauge Glass - Reflex
SKU: Gauge Glass - Reflex
These glasses are distinguished by the grooves down the face. The grooves increase the angle of refraction which makes the visibility of the liquid level is much better than when using Transparent Pla...
Gauge Glass - Transparent
SKU: Gauge Glass - Transparent
Clear (smooth on both sides). In order to increase the resistance to operating conditions (pressure, temperature, aggressive environment), transparent glass is typically protected by mica shields on t...
Tubular Gauge Glass - High Pressure
SKU: Tubular Gauge Glass - High Pressure
Our high-pressure borosilicate tubular gauge glass is engineered for demanding sight glass applications in boilers, tanks, and pressure vessels. Crafted from premium borosilicate tubing, these glasses...
Mica Sheild
SKU: Mica Shields
If you are working with steam, hot alkaline, or acidic solutions a mica shield is the best way to protect the integrity of your gauge glass. Over time these liquids will wear down even the toughest g...
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...
John Moncrieff Ltd are authorised resellers of the Maxos Brand Transparent and Reflex Gauge Glass. Maxos is the premium brand, and used by all the leading Liquid Level Gauge makers throughout the world.
Standard sized | Products
The special tempered reflex and transparent can be supplied in accordance to the following:
- DIN 7080/7081
- BS 3463
- JIS B 8211
- MIL – G – 16356 D
- Auer USA specification
- High pressure
- Customer specification
- Aluminosilicate glass on request
Non-Standard Sizes
Many level gauges use nonstandard sized glass, we are happy to produce these special sized glasses, from a variety of glass types to suit your needs. To quote special sizes please advise:
- Length, width, and thickness of the glass
- Maximum temperature and pressure