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10mm Safety Relief Valve 64610A1273
SKU: 64610A1273
10mm Nominal Bore Enclosed 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.)3.07...
6mm Bore Safety Relief Valve 818061223
SKU: 818061223
6mm 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.)4.0...
ASL57 LED
SKU: ASL57 LED
ASL57 LED – High-Contrast Illumination for Non-Ex Industrial Process Environments The ASL57 LED luminaire delivers powerful, high-contrast lighting for visual flow indicators, ...
Borosilicate Glass
SKU: Borosilicate Glass
Borosilicate Glass: The Premium Standard for Precision Applications Borosilicate glass is renowned for its outstanding resistance to thermal shock, chemical corrosion, and ...
Composite Type C – Underpressure
SKU: Composite Type C – Underpressure
Composite Type C – Underpressure Bursting Disc The Composite Type C – Underpressure bursting disc is engineered for precise, reliable protection at low to medium burst pre...
D Orifice Leser Valve 1" #150 x 2" #150 5262.0014
SKU: 5262.0014
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...
DN15 LGS HI-FLOW Relief Valve H3615A3A77
SKU: H3615A3A77
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...
DN15 LGS Relief Valve L3615A3277
SKU: L3615A3277
15mm 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% (...
DN20 P3W Relief Valve P3W20A4117
SKU: P3W20A4117
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...
Duran® Standard Glass Tubes (3mm - 465mm Outside Diameter)
SKU: Duran Glass Tubing
DURAN® Standard Glass Tubes DURAN® Standard Glass Tubes are renowned for their exceptional quality, precision, and durability — making them the preferred choice for a wide range of...
Flow Indicator - Style WF
SKU: Flow Indicator - Style WF
Introducing Our Durable Style WF Sight Glass John Moncrieff Ltd proudly introduces the Style WF Sight Glass — a high-performance unit engineered for precise visual inspecti...
Gauge Glass - Reflex
SKU: Gauge Glass - Reflex
John Moncrieff — Maxos Reflex Gauge Glass At John Moncrieff Ltd, we supply Maxos Reflex Gauge Glass, recognised worldwide for its clarity, strength, and precision engineering. ...
Glass Forming
SKU: Glass Forming
Glass forming is the process of using heat and manipulation of glass tubing and rod to create a range of products with multiple applications across a variety of industries. We have the facility to fo...
Glass Rods
SKU: Glass Rods
John Moncrieff — Borosilicate Glass Rods At John Moncrieff Ltd, we supply premium borosilicate glass rods — renowned for their exceptional heat resistance, chemical durabili...
ME-LED
SKU: ME-LED
ME-LED Lumistar Sightglass Luminaire The ME-LED Lumistar series is engineered for seamless integration with round screwed sight glass fittings to DIN 11851 (or similar de...
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...
Pressed Glass Products
SKU: Pressed Glass Products
Pressed glass is produced by the process of pressing the glass into a mould to give the the desired shade. We offer offer both hand and machine production options allowing productions for 100 to...
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...
Tubular Gauge Glass - Standard
SKU: Tubular Gauge Glass - Standard
Borosilicate Tubular Gauge Glass John Moncrieff Ltd supplies borosilicate tubular gauge glass designed for accurate, durable liquid level indication in low-pressure environ...
8mm Bore Safety Relief Valve 818881223
SKU: 818881223
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...
Composite Type C – Overpressure
SKU: Composite Type C – Overpressure
Composite Type C – Overpressure Bursting Disc Composite Type C – Overpressure bursting discs are engineered for applications requiring high-precision pressure relief at lo...
D Orifice Leser Valve 1" #300 x 2" #150 5262.0024
SKU: 5262.0024
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...
DIN 28120 Sight Glass
SKU: DIN 28120 Sight Glass
DIN 28120 Circular Flanged Sight Glass Fittings John Moncrieff’s DIN 28120 circular flanged sight glass fittings are engineered for high-integrity process visibility...
DN20 LGS HI-FLOW Relief Valve H3620A3B07
SKU: H3620A3B07
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...