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Gifts/Promotional Products
SKU: Gifts/Promotional Products
John Moncrieff: Unique Glass Gifts & Promotional ProductsDiscover exquisite glass creations from John Moncrieff. We specialize in crafting unique and memorable gifts and promotional products, incl...
Metaglas Type 77 DIN
SKU: Metaglas Type 77 DIN
Metal fused sight glasses according to DIN 7079For sight glass flow indicator fittings with traction (fitting dimension acc. to DIN)
Mini Gauge
SKU: Mini Gauge
Mini Gauge is an effective yet simple tubular gauge. Its valve less connection ends screw directly into the vessel and commonly used for compressor lube oil tanks or small water tanks or in the case...
Oil & Gas Industry
SKU: Oil & Gas Industry
John Moncrieff: Your Premier Supplier of Glass and Components for the Oil & Gas IndustryWe are a leading provider of high-quality glass and essential components for the oil and gas sector. Our ex...
Pressed Glass Production - Quartz Glass
SKU: Pressed Glass Production - Quartz Glass
Quartz glass benefits from being able to resist temperatures up to 1200°C. It has excellent resistance to chemical attack. The principal application of quartz in a press glass form are sight glasses,...
Profile - Triangular Tube
SKU: Profile - Triangular Tube
Dimension x / mmDimension d / mmStandard Length mm24mm x 24mm x 24mm ± 0.5mm - 2mm10mm ± 1mm1500mm
Rectangular Sight Glasses RSG (R, RR) "D" ended
SKU: Rectangular Sight Glasses RSG (R, RR) "D" ended
Used for the observation of the liquid level, interface or a reaction within stirred vessels, reactors, silos, storage tanks, dryers, columns, evaporators etc. in all process industries.MOUNTING:The...
10mm Bore Safety Relief Valve 818100883
SKU: 818100883
10mm 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...
Blown Glass Production - Opal Glass
SKU: Blown Glass Production - Opal Glass
We use opal glass, triplex opal and flashed opal glass for a wide range of blown glass lighting applications. Opal glass is an excellent diffuser of light. Our capacity can blow opal glass to a maximu...
Cast Iron Gate Valve – Flanged PN6
SKU: LV5102
Flanged PN6, GG25 Body, Cast Brass Seat, Brass Stem, Inside Screw, Non-rising Stem Rated PN10, Temperature -10°C to 150°C.
Ceramic Glass
SKU: Ceramic Glass
Ceramic Glass: A Fusion of Strength and BeautyCeramic glass, also known as glass-ceramic, is a unique material that combines the transparency of glass with the strength and durability of ceramic. It'...
Defence Industry
SKU: Defence Industry
John Moncrieff: Glass Solutions for the Defence SectorWe are a trusted supplier of high-quality glass components for the defence industry. Our expertise lies in providing:Signal Glasses: Durable and...
DN50 LGS HI-FLOW Relief Valve H3650A3F27
SKU: H3650A3F27
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...
DN50 LGS Relief Valve L3650A3427
SKU: L3650A3427
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% (...
DN65 P3W Relief Valve P3W65A4297
SKU: P3W65A4297
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...
E Orifice Leser Valve 1" #150 x 2" #150 5262.0152
SKU: 5262.0152
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...
Hinged Sight Glass Fitting Series KSG
SKU: Hinged Sight Glass Fitting Series KSG
The hinged sightglasses offer a quick and easy opening sightglass unit without or with illumination, in cases where an addition of components is required or samples need to be taken on a regular or s...
Medical/Scientific Industry
SKU: Medical/Scientific Industry
John Moncrieff: Your Premier Supplier of Glass for the Medical & Scientific IndustriesWe are a leading provider of high-quality glass components for the medical and scientific sectors. Our extensi...
Metaglas Type 176
SKU: Metaglas Type 176
Circular metal fused sight glasses form A, flat sealing surfaceFor weld neck flanges acc. to ANSI B. 16.5 sight glass in traction as a replacement for sight glass armature similar to DIN 28121
MetaLUX safe area sightglass light fittings, series HL
SKU: MetaLUX
These high intensive units allow an optimal visual control through only one sightglass assembly.APPLICATION:Series HL: On VETROLUX or similar sightglasses to the DIN 28120 / 28121 standards.Series HLM...
Oil Sights
SKU: Oil Sights
Our Oil Level gauge is a very simple brass and heat proof glass tubular level gauge unit to provide level indication, primarily on oil tanks. As standard they are fitted from the base, but a double b...
Packing Sleeves
SKU: Packing Sleeves
Boiler packing sleeves are essential components in industrial boilers, designed to provide efficient sealing and prevent leakage around the boiler's tubes. Our Packing Sleeves are made from 99.5...
Port Gauge Kits
SKU: Port Gauge Kits
Ports Gauge Kits are used in high pressure level gauge application. The kits vary according to the Glass Manufacture, but generally the comprise of:High Pressure Port GlassMicasGasketsWe are able to...
Pressed Glass Production - Opal Glass
SKU: Pressed Glass Production - Opal Glass
We use opal glass, triplex opal, flashed opal glass for a wide range of pressed glass applications. Opal glass is an excellent diffuser of light so its principal used is the production of pressed glas...