John Moncrieff Ltd
01577 864870 enquiries@jmoncrieff.co.uk
Categories
  • Home
    • About Us
    • Blogs
    • Materials
    • Industries we supply
  • Glass Products
    • Coloured Glass Tubes
    • Gauge Glasses
    • Glass Discs And Panels
    • Glass Rods
    • Glass Tubes
    • Lead Glass Tubing
    • Profile Tubing, Caplliary & Rods
    • Quartz Glass
    • Sapphire Glass
    • Tubular Gauge Glass
    Show All Glass Products
  • Custom Glass
    • Blown Glass
    • Pressed Glass
    Show All Custom Glass
  • Valves
    • Gate Valves
    • Safety Relief Valves
    Show All Valves
  • Level Gauges
    • Tank Gauges/Oil Sights
    • Marine Gauges
    • Steam Level Gauges
    • Process Level Gauges
    • Magnetic Gauges
    Show All Level Gauges
  • Flow Indicators
  • Sight Glass & Fittings
    • Metaglas
    • Sight Glass Spares
    • Sight Glass Fittings
    • Light Fittings
    • Accessories
    • Boiler Spares
    • Bursting Discs
    Show All Sight Glass & Fittings
  • Contact Us
eyJzZW9fZGF0YSI6eyJtZXRhX3RpdGxlIjoiU2VhcmNoIC0gVGFnIC0gIn19
  • Search

Search

Products meeting the search criteria

Product Compare (0)
Metal Diaphragms

Metal Diaphragms

SKU: Metal Diaphragms

In contrast to bursting discs (rupture disks), these diaphragms do not tear but deform in a specific manner under pressure. They may be used, for example, to reduce pressure in valves to create a cont...

Profile - Small Triangle Capillary

Profile - Small Triangle Capillary

SKU: Profile - Small Triangle Capillary

The following table shows the available standard size.  Additional dimensions can be manufactured upon request. Dimension x / mm Di...

DN20 LGS Relief Valve L3620A3306

DN20 LGS Relief Valve L3620A3306

SKU: L3620A3306

20mm Nominal Bore Single Trim Enclosed Discharge Relief Valve for Liquid, Gas & SteamNotes:Maximum Pressure when used on saturated steam us 2.50 bar g. (36.25 psi g.)Overpressure = Set pressure +1...

DN32 LGS HI-FLOW Relief Valve H3632A3D66

DN32 LGS HI-FLOW Relief Valve H3632A3D66

SKU: H3632A3D66

32mm 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...

Monitor of bursting disc/Transmitter

Monitor of bursting disc/Transmitter

SKU: Monitor of bursting disc/Transmitter

TRANSMITTER WITH INDUCTIVE PROXIMITY SWITCHThis highly developed signal transmitter consists of a sensor, the proximity switch and, at the customer’s request, an additional isolating switch amplifier...

DN25 LGS Relief Valve L3625A3336

DN25 LGS Relief Valve L3625A3336

SKU: L3625A3336

25mm Nominal Bore Single Trim Enclosed Discharge Relief Valve for Liquid, Gas & SteamNotes:Maximum Pressure when used on saturated steam us 2.50 bar g. (36.25 psi g.)Overpressure = Set pressure +1...

DN40 LGS HI-FLOW Relief Valve H3640A3E96

DN40 LGS HI-FLOW Relief Valve H3640A3E96

SKU: H3640A3E96

40mm 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...

H Orifice Leser Valve 1.5" #150 x 3" #150 5262.1424

H Orifice Leser Valve 1.5" #150 x 3" #150 5262.1424

SKU: 5262.1424

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...

Profile - Rods

Profile - Rods

SKU: Profile - Rod

Below are the standard diameters and lengths available for our precision-engineered borosilicate glass rods. All rods are manufactured to strict tolerances for consistency and reliability. Cus...

DN32 LGS Relief Valve L3632A3366

DN32 LGS Relief Valve L3632A3366

SKU: L3632A3366

32mm Nominal Bore Single Trim Enclosed Discharge Relief Valve for Liquid, Gas & SteamNotes:Maximum Pressure when used on saturated steam us 2.50 bar g. (36.25 psi g.)Overpressure = Set pressure +1...

DN50 LGS HI-FLOW Relief Valve H3650A3F26

DN50 LGS HI-FLOW Relief Valve H3650A3F26

SKU: H3650A3F26

50mm 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...

H Orifice Leser Valve 1.5" #150 x 3" #150 5262.1422

H Orifice Leser Valve 1.5" #150 x 3" #150 5262.1422

SKU: 5262.1422

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...

Profile - Flat Rods

Profile - Flat Rods

SKU: Profile - Flat Rod

The following table lists our standard glass rod sizes with corresponding tolerances and standard lengths. Custom diameters and specifications are available upon request. ...

DN15 LGS HI-FLOW Relief Valve H3615A1A76

DN15 LGS HI-FLOW Relief Valve H3615A1A76

SKU: H3615A1A76

15mm 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% (o...

DN40 LGS Relief Valve L3640A3396

DN40 LGS Relief Valve L3640A3396

SKU: L3640A3396

40mm Nominal Bore Single Trim Enclosed Discharge Relief Valve for Liquid, Gas & SteamNotes:Maximum Pressure when used on saturated steam us 2.50 bar g. (36.25 psi g.)Overpressure = Set pressure +1...

H Orifice Leser Valve 2" #300 x 3" #150 5262.1444

H Orifice Leser Valve 2" #300 x 3" #150 5262.1444

SKU: 5262.1444

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...

Profile - Triangle Rods

Profile - Triangle Rods

SKU: Profile - Triangle Rods

Below are our standard square-section glass rod sizes, manufactured to precise tolerances for high performance and visual quality. Custom dimensions and finishes are available upon request. ...

DN20 LGS HI-FLOW Relief Valve H3620A1B06

DN20 LGS HI-FLOW Relief Valve H3620A1B06

SKU: H3620A1B06

20mm 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...

DN50 LGS Relief Valve L3650A3426

DN50 LGS Relief Valve L3650A3426

SKU: L3650A3426

50mm Nominal Bore Single Trim Enclosed Discharge Relief Valve for Liquid, Gas & SteamNotes:Maximum Pressure when used on saturated steam us 2.50 bar g. (36.25 psi g.)Overpressure = Set pressure +1...

H Orifice Leser Valve 2" #300 x 3" #150 5262.1442

H Orifice Leser Valve 2" #300 x 3" #150 5262.1442

SKU: 5262.1442

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...

Profile - Square Rods

Profile - Square Rods

SKU: Profile - Square Rods

The table below outlines our standard range of glass rod dimensions. Each rod is precision-engineered to tight tolerances for optical clarity, durability, and consistency. Custom diameters, finishes,...

Quartz - Rectangular Glass Rods

Quartz - Rectangular Glass Rods

SKU: Quartz - Rectangular Glass Rods

High-Purity Quartz Glass Tubing: Exceptional Heat Resistance and Versatility Our high-purity quartz glass tubing, crafted from pure silica, delivers exceptional optical clarity, ...

Quartz - Standard Opaque Glass Tubes

Quartz - Standard Opaque Glass Tubes

SKU: Quartz - Standard Opaque Glass Tubes

Opaque Quartz Tubes: High-Performance Infrared Heating Solutions Our opaque quartz tubes are manufactured using advanced production techniques, offering a combination of excepti...

Quartz Glass JGS2 - Professional Grade Natural Quartz

Quartz Glass JGS2 - Professional Grade Natural Quartz

SKU: Quartz Glass - JGS2

JGS2 Quartz Glass: Professional-Grade Natural Fused Silica JGS2 quartz glass is a professional-grade natural fused silica produced by refining high-purity natural quartz cr...

  • |<
  • <
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • >
  • >|
Showing 289 to 312 of 346 (15 Pages)
Contact us now

Address
John Moncrieff Ltd
Unit 5 Clashburn Road
Bridgend Industrial Estate
Kinross
Scotland
KY13 8GB
Contacts
  • Email: enquiries@jmoncrieff.co.uk
  • Phone: 01577 864870
Information
  • Terms & Conditions
  • Privacy Policy

Copyright © 2025 John Moncrieff Ltd | OpenCart Website Development