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    Strainers, Service & Check Valves (CORE)

    Service

    Service valves are commonly installed at strategic points in the system to allow for isolation of specific components or sections for maintenance or repair work without having to shut down the entire system. Applications include HVAC (Heating, Ventilation, and Air Conditioning) systems, refrigeration systems, plumbing systems, and other similar applications.

    CORE service valves are marked for full traceability, supported by full warranty, and compliant with relevant British Standards. Manufactured from high quality, robust brass material, the yellow brass range offers a wide array of products ideal for heating and hot and cold water applications.

    Used in various applications across industries where preventing backflow is crucial, such as in plumbing systems, pumping systems, water treatment plants, oil and gas pipelines, and HVAC systems. They help maintain system efficiency, prevent damage to equipment, and ensure the safety and reliability of fluid flow processes.

    CORE currently offers cast iron dual plate wafer check valve (DN50 to DN300). PN16 cast iron swing check valve (DN50 to DN600), and screwed double check valve options (DN ½” to 2”). All have a maximum pressure of 16 bar. Our cast iron dual plate wafer and double check valves are both WRAS approved and all are tested to the relevant British Standards.

    Strainer

    A strainer is a device that is used to retain solid pieces when fluid passes through it in a piping system. A strainer makes the fluid pass through a straining element that has very small holes. The smaller the holes, the smaller the solid particles that will be trapped.

    CORE Y Type strainers come in 2 different options; PN20 bronze BSP (DN ½” to 2”) and PN16 cast iron flanged. (DN50 to DN600). Our screwed option has a maximum working pressure of 20 bar and our flanged option has a max working pressure of 16 bar. DN50 & DN65 have square drain port and DN80-DN600 have circular drain port. All are tested to the relevant British Standards.

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    Picture of 8" CORE 121 C/I PN16 WRAS Dual Plate Wafer Check Valve

    8" CORE 121 C/I PN16 WRAS Dual Plate Wafer Check Valve

    CORE121200
    Cast Iron Wafer Check Valve PN16. Universal flange mounting to suit BS EN1092 PN10 / PN16 and ANSI B16.1 Class 125. Epoxy coat finish. 16 Bar rated with working temp of -10°C to +120°C. WRAS application: -10°C to +85°C
    Status: Out of Stock
    Picture of 10" CORE 121 C/I PN16 WRAS Dual Plate Wafer Check Valve

    10" CORE 121 C/I PN16 WRAS Dual Plate Wafer Check Valve

    CORE121250
    Cast Iron Wafer Check Valve PN16. Universal flange mounting to suit BS EN1092 PN10 / PN16 and ANSI B16.1 Class 125. Epoxy coat finish. 16 Bar rated with working temp of -10°C to +120°C. WRAS application: -10°C to +85°C
    Status: Out of Stock
    Picture of 12" CORE 121 C/I PN16 WRAS Dual Plate Wafer Check Valve

    12" CORE 121 C/I PN16 WRAS Dual Plate Wafer Check Valve

    CORE121300
    Cast Iron Wafer Check Valve PN16. Universal flange mounting to suit BS EN1092 PN10 / PN16 and ANSI B16.1 Class 125. Epoxy coat finish. 16 Bar rated with working temp of -10°C to +120°C. WRAS application: -10°C to +85°C
    Status: Out of Stock
    Picture of 2" CORE 492 PN16 Cast Iron Swing Check Valve

    2" CORE 492 PN16 Cast Iron Swing Check Valve

    CORE492050
    Cast Iron Swing Check Valve. Flange mounting PN16 only. Flange conforms to BS EN1092 PN16. BS5153 (BS EN558-1 Series 10). 16 Bar rated with a temperature range of. -10°C to +230°C
    Status: Out of Stock
    Picture of 2.1/2" CORE 492 PN16 Cast Iron Swing Check Valve

    2.1/2" CORE 492 PN16 Cast Iron Swing Check Valve

    CORE492065
    Cast Iron Swing Check Valve. Flange mounting PN16 only. Flange conforms to BS EN1092 PN16. BS5153 (BS EN558-1 Series 10). 16 Bar rated with a temperature range of. -10°C to +230°C
    Status: In Stock
    Picture of 3" CORE 492 PN16 Cast Iron Swing Check Valve

    3" CORE 492 PN16 Cast Iron Swing Check Valve

    CORE492080
    Cast Iron Swing Check Valve. Flange mounting PN16 only. Flange conforms to BS EN1092 PN16. BS5153 (BS EN558-1 Series 10). 16 Bar rated with a temperature range of. -10°C to +230°C
    Status: In Stock
    Picture of 4" CORE 492 PN16 Cast Iron Swing Check Valve

    4" CORE 492 PN16 Cast Iron Swing Check Valve

    CORE492100
    Cast Iron Swing Check Valve. Flange mounting PN16 only. Flange conforms to BS EN1092 PN16. BS5153 (BS EN558-1 Series 10). 16 Bar rated with a temperature range of. -10°C to +230°C
    Status: In Stock
    Picture of 5" CORE 492 PN16 Cast Iron Swing Check Valve

    5" CORE 492 PN16 Cast Iron Swing Check Valve

    CORE492125
    Cast Iron Swing Check Valve. Flange mounting PN16 only. Flange conforms to BS EN1092 PN16. BS5153 (BS EN558-1 Series 10). 16 Bar rated with a temperature range of. -10°C to +230°C
    Status: In Stock
    Picture of 6" CORE 492 PN16 Cast Iron Swing Check Valve

    6" CORE 492 PN16 Cast Iron Swing Check Valve

    CORE492150
    Cast Iron Swing Check Valve. Flange mounting PN16 only. Flange conforms to BS EN1092 PN16. BS5153 (BS EN558-1 Series 10). 16 Bar rated with a temperature range of. -10°C to +230°C
    Status: In Stock
    Picture of 8" CORE 492 PN16 Cast Iron Swing Check Valve

    8" CORE 492 PN16 Cast Iron Swing Check Valve

    CORE492200
    Cast Iron Swing Check Valve. Flange mounting PN16 only. Flange conforms to BS EN1092 PN16. BS5153 (BS EN558-1 Series 10). 16 Bar rated with a temperature range of. -10°C to +230°C
    Status: Out of Stock
    Picture of 10" CORE 492 PN16 Cast Iron Swing Check Valve

    10" CORE 492 PN16 Cast Iron Swing Check Valve

    CORE492250
    Cast Iron Swing Check Valve. Flange mounting PN16 only. Flange conforms to BS EN1092 PN16. BS5153 (BS EN558-1 Series 10). 16 Bar rated with a temperature range of. -10°C to +230°C
    Status: Out of Stock
    Picture of 12" CORE 492 PN16 Cast Iron Swing Check Valve

    12" CORE 492 PN16 Cast Iron Swing Check Valve

    CORE492300
    Cast Iron Swing Check Valve. Flange mounting PN16 only. Flange conforms to BS EN1092 PN16. BS5153 (BS EN558-1 Series 10). 16 Bar rated with a temperature range of. -10°C to +230°C
    Status: Out of Stock
    Picture of 15mm CORE CP *Full Bore* Service Valve WRAS

    15mm CORE CP *Full Bore* Service Valve WRAS

    SVFBWRAS015
    15mm Compression Full Bore Service Valve. WRAS Approved, Screwdriver Operated, 16 Bar Rated, 0°C to +85°C.
    Status: In Stock
    Picture of 22mm CORE CP *Full Bore* Service Valve WRAS

    22mm CORE CP *Full Bore* Service Valve WRAS

    SVFBWRAS022
    22mm Compression Full Bore Service Valve. WRAS Approved, Screwdriver Operated, 16 Bar Rated, 0°C to +85°C.
    Status: In Stock
    Picture of 15x1/2" CORE CP Service Valve Str Swivel WRAS

    15x1/2" CORE CP Service Valve Str Swivel WRAS

    SVSWRAS015
    15mm x 1/2" Compression Service Valve Straight Swivel. WRAS Approved, Screwdriver Operated, 10 Bar Rated, 0°C to +85°C.
    Status: In Stock
    Picture of 15mm CORE CP L/P Service Valve CxC WRAS

    15mm CORE CP L/P Service Valve CxC WRAS

    SVWRAS015
    15mm Compression Service Valve L/P CxC. WRAS Approved, Screwdriver Operated, 10 Bar Rated, 0°C to +85°C.
    Status: In Stock
    Picture of 22mm CORE CP L/P Service Valve CxC WRAS

    22mm CORE CP L/P Service Valve CxC WRAS

    SVWRAS022
    22mm Compression Service Valve L/P CxC. WRAS Approved, Screwdriver Operated, 10 Bar Rated, 0°C to +85°C.
    Status: In Stock
    Picture of 15x15 CORE CP Cu x Cu Angled Service Valve

    15x15 CORE CP Cu x Cu Angled Service Valve

    SVA015
    15mm x 15mm Compression Angled Service Valve. Screwdriver Operated, 10 Bar Rated, 0°C to +85°C.
    Status: In Stock
    Picture of 15x1/2" CORE CP Service Valve Bent Swivel WRAS

    15x1/2" CORE CP Service Valve Bent Swivel WRAS

    SVBWRAS015
    15mm x 1/2" Compression Service Valve with Bent Swivel. WRAS Approved, Screwdriver Operated, 10 Bar Rated, 0°C to +85°C.
    Status: In Stock
    Picture of 15mm CORE Chrome Plated Service Valve c/w Lever

    15mm CORE Chrome Plated Service Valve c/w Lever

    SVL015
    15mm (1/2") Chrome Plated Brass Isolating Valve with Handle. Maximum Working Pressure 10 Bar – Operating Temperature 0°C to +85°C
    Status: In Stock
    Picture of 15x3/4" CORE Straight Washing M/C Tap c/w Check Valve WRAS

    15x3/4" CORE Straight Washing M/C Tap c/w Check Valve WRAS

    WMTWRAS015VAL
    15mm x 3/4" Straight Washing Machine Non-Return Tap complete with Check Valve. Chrome plated brass, suitable for both hot and cold water, interchangeable blue and red colour-coded operating levers. Maximum Working Pressure 10 Bar – Operating Temperature 0°C to +85°C - WRAS approved.
    Status: In Stock
    Picture of 15x3/4" CORE Straight Washing M/C Tap WRAS

    15x3/4" CORE Straight Washing M/C Tap WRAS

    WMTWRAS015
    15mm x 3/4" Straight Washing Machine Tap. WRAS Approved, 10 Bar Rated, 0°C to +85°C, c/w Red & Blue Handle.
    Status: In Stock
    Picture of 15x3/4" CORE Angled Washing Machine Tap WRAS

    15x3/4" CORE Angled Washing Machine Tap WRAS

    WMTWRAS015ANG
    15mm x 3/4" Angled Washing Machine Tap. WRAS Approved, 10 Bar Rated, 0°C to +85°C, c/w Red & Blue Handle.
    Status: In Stock
    Picture of 1/2" CORE 508 Auto Air Vent c/w Check Valve (AAV)

    1/2" CORE 508 Auto Air Vent c/w Check Valve (AAV)

    AD0050800012
    1/2" Automatic Air Release Valve with isolating check valve. Max pressure 10 bar, max temperature 110°c.
    Status: In Stock