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Quartz - Formed Parts
SKU: Quartz - Formed Parts
Formed Quartz Glass: Tailored Solutions for Diverse IndustriesOur formed quartz glass offers exceptional versatility and durability, enabling its customization into a wide range of shapes and sizes t...
13mm Bore Safety Relief Valve 818130913
SKU: 818130913
13mm 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...
CPI Gauge
SKU: CPI Gauge
The CPI Tubular Gauge (Chemical and Process Industries) is designed to provide direct level observation of chemicals and solvents.For applications with higher pressure requirements, or where a more r...
DN15 LGS HI-FLOW Relief Valve H3615A1A77
SKU: H3615A1A77
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...
DN65 LGS Relief Valve L3665A3517
SKU: L3665A3517
50mm 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% (...
E Orifice Leser Valve 1" #300 x 2" #150 5262.0164
SKU: 5262.0164
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...
Lever Gate Valve
SKU: LV2100
Screwed BSPP, Bronze Body up to 1½”, Brass Body 2” to 6”.Rated PN16, Temperature -20°C to 90°C.
MiniLUX safe area miniature sightglass light fitting, series KVLR / BKVLR / BKVLR LED / KLR / KLR PowerLED
SKU: MiniLUX
These low cost, very small, though high power sophisticated units are designed for universal use. They have the big advantage of being not sightglass size specific and offer therefore the largest pos...
Profile - Flat Six Petals
SKU: Profile - Flat Six Petal
Dimension x / mmDimension y / mmStandard Length mm36mm ± 1.5mm23mm ± 1mm1500mm
Quartz - Panels
SKU: Quartz - Panels
Quartz Panels: A Versatile Optical MaterialQuartz panels, renowned for their exceptional optical properties, transmit a broad spectrum of light, including ultraviolet, visible, and infrared radiation...
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...
Sightflow Indicators Series S-VA
SKU: Sightflow Indicators Series S-VA
Used for the observation of liquid flow in pipelines in all process industries.MOUNTING:Various ranges for welding into pipelines (series S-VA, S-St) or bolting with flange system (series FDG, FDS, F...
15mm Safety Relief Valve 818150943
SKU: 818150943
15mm 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...
Cast Iron Gate Valve – Flanged PN16 – Stainless Steel Stem – PN16 Rated
SKU: LV9981
Flanged PN16 (8” Available Flanged PN10), Cast Iron Body, Cast Brass Seat, Stainless Steel Stem, Inside Screw, Non-rising Stem. Conforms to DIN 3202 F4.Rated PN16, Temperature -10°C to 120°C.
DN15 LGS Relief Valve L3615A1277
SKU: L3615A1277
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 LGS HI-FLOW Relief Valve H3620A1B07
SKU: H3620A1B07
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...
E Orifice Leser Valve 1" #300 x 2" #150 5262.0162
SKU: 5262.0162
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...
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...
Metal Fused Sight Glass Fittings
SKU: Metal Fused Sight Glass Fittings
ADVANTAGES:- High security- For sterile applicationsVERSIONS:Metal fused sightglasses for Triclamp fittings:- for mounting on Triclamp fittings to DIN 32676 / ISO 2852- available from DN 10 to 300- a...
MiniLUX safe area micro LED sightglass light fitting, series MVLR
SKU: MiniLUX safe area
The micro LED light fittings are designed for universal use. Due to their extremely reduced dimensions, they may be mounted even on smallest sightglasses. The built-in LED module offers a cold light...
Optical Industry
SKU: Optical Industry
John Moncrieff: Precision Glass for the Optical IndustryJohn Moncrieff is a leading supplier of high-quality glass components for the optical industry. We offer a wide range of precision-engineered gl...
Profile - Flat Petals
SKU: Profile - Flat Petal
Dimension x / mmDimension y / mmStandard Length mm33mm ± 1.5mm21mm ± 1mm1500mm
Push Button Gauge
SKU: Push Button Gauge
Our basic push button tubular level gauges provide a very simple level monitoring solution. They offer a clear rigid PVC tube, that can be cut to any length to suit your application.The unit is fitte...
8mm Bore Safety Relief Valve 848881223
SKU: 848881223
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...