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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 1/2" CORE 370 WRAS BSPT PN20 Bronze Y Type Strainer

    1/2" CORE 370 WRAS BSPT PN20 Bronze Y Type Strainer

    CORE370015
    1/2” (15mm) Bronze Y Type Strainer, Screwed Connection BSP Taper (ISO 7/1), Max Pressure 20 Bar, Working temperature -10°C to +170°C, Tested to BS EN 12266, WRAS approved.
    Status: In Stock
    Picture of 3/4" CORE 370 WRAS BSPT PN20 Bronze Y Type Strainer

    3/4" CORE 370 WRAS BSPT PN20 Bronze Y Type Strainer

    CORE370020
    3/4” (20mm) Bronze Y Type Strainer, Screwed Connection BSP Taper (ISO 7/1), Max Pressure 20 Bar, Working temperature -10°C to +170°C, Tested to BS EN 12266, WRAS approved.
    Status: In Stock
    Picture of 1" CORE 370 WRAS BSPT PN20 Bronze Y Type Strainer

    1" CORE 370 WRAS BSPT PN20 Bronze Y Type Strainer

    CORE370025
    1” (25mm) Bronze Y Type Strainer, Screwed Connection BSP Taper (ISO 7/1), Max Pressure 20 Bar, Working temperature -10°C to +170°C, Tested to BS EN 12266, WRAS approved.
    Status: In Stock
    Picture of 11/4" CORE 370 WRAS BSPT PN20 Bronze Y Type Strainer

    11/4" CORE 370 WRAS BSPT PN20 Bronze Y Type Strainer

    CORE370032
    1.1/4” (32mm) Bronze Y Type Strainer, Screwed Connection BSP Taper (ISO 7/1), Max Pressure 20 Bar, Working temperature -10°C to +170°C, Tested to BS EN 12266, WRAS approved.
    Status: In Stock
    Picture of 11/2" CORE 370 WRAS BSPT PN20 Bronze Y Type Strainer

    11/2" CORE 370 WRAS BSPT PN20 Bronze Y Type Strainer

    CORE370040
    1.1/2” (40mm) Bronze Y Type Strainer, Screwed Connection BSP Taper (ISO 7/1), Max Pressure 20 Bar, Working temperature -10°C to +170°C, Tested to BS EN 12266, WRAS approved.
    Status: In Stock
    Picture of 2" CORE 370 WRAS BSPT PN20 Bronze Y Type Strainer

    2" CORE 370 WRAS BSPT PN20 Bronze Y Type Strainer

    CORE370050
    2” (20mm) Bronze Y Type Strainer, Screwed Connection BSP Taper (ISO 7/1), Max Pressure 20 Bar, Working temperature -10°C to +170°C, Tested to BS EN 12266, WRAS approved.
    Status: In Stock
    Picture of 2" CORE 276 PN16 Cast Iron Y Strainer

    2" CORE 276 PN16 Cast Iron Y Strainer

    CORE276050
    Cast Iron Flanged Y Strainer. Flange mounting PN16 only. Flange conforms to BS EN1092 PN16. BS EN558-1 Series 1. DN50 & DN65 square drain port. DN80-DN600 circular drain port. 16 Bar rated with a temperature range of -10°C to +230°C
    Status: Out of Stock
    Picture of 2" CORE 276 WRAS PN16 Cast Iron Y Type Strainer

    2" CORE 276 WRAS PN16 Cast Iron Y Type Strainer

    CORE276WRAS050
    Cast Iron Flanged Y Strainer. Flange mounting PN16 only. BS EN558-1 Series 1. DN50 & DN65 square drain port. DN80-DN600 circular drain port. Fusion Bonded Epoxy Coat Finish. DN50 - DN300 WRAS Approved. DN350 - DN600 WRAS Approved Coating. 16 Bar rated with a temp range of -10°C to +85°C
    Status: Out of Stock
    Picture of 2.1/2" CORE 276 PN16 Cast Iron Y Strainer

    2.1/2" CORE 276 PN16 Cast Iron Y Strainer

    CORE276065
    Cast Iron Flanged Y Strainer. Flange mounting PN16 only. Flange conforms to BS EN1092 PN16. BS EN558-1 Series 1. DN50 & DN65 square drain port. DN80-DN600 circular drain port. 16 Bar rated with a temperature range of -10°C to +230°C
    Status: In Stock
    Picture of 2.1/2" CORE 276 WRAS PN16 Cast Iron Y Type Strainer

    2.1/2" CORE 276 WRAS PN16 Cast Iron Y Type Strainer

    CORE276WRAS065
    Cast Iron Flanged Y Strainer. Flange mounting PN16 only. BS EN558-1 Series 1. DN50 & DN65 square drain port. DN80-DN600 circular drain port. Fusion Bonded Epoxy Coat Finish. DN50 - DN300 WRAS Approved. DN350 - DN600 WRAS Approved Coating. 16 Bar rated with a temp range of -10°C to +85°C
    Status: In Stock
    Picture of 3" CORE 276 PN16 Cast Iron Y Strainer

    3" CORE 276 PN16 Cast Iron Y Strainer

    CORE276080
    Cast Iron Flanged Y Strainer. Flange mounting PN16 only. Flange conforms to BS EN1092 PN16. BS EN558-1 Series 1. DN50 & DN65 square drain port. DN80-DN600 circular drain port. 16 Bar rated with a temperature range of -10°C to +230°C
    Status: In Stock
    Picture of 3" CORE 276 WRAS PN16 Cast Iron Y Type Strainer

    3" CORE 276 WRAS PN16 Cast Iron Y Type Strainer

    CORE276WRAS080
    Cast Iron Flanged Y Strainer. Flange mounting PN16 only. BS EN558-1 Series 1. DN50 & DN65 square drain port. DN80-DN600 circular drain port. Fusion Bonded Epoxy Coat Finish. DN50 - DN300 WRAS Approved. DN350 - DN600 WRAS Approved Coating. 16 Bar rated with a temp range of -10°C to +85°C
    Status: In Stock
    Picture of 4" CORE 276 PN16 Cast Iron Y Strainer

    4" CORE 276 PN16 Cast Iron Y Strainer

    CORE276100
    Cast Iron Flanged Y Strainer. Flange mounting PN16 only. Flange conforms to BS EN1092 PN16. BS EN558-1 Series 1. DN50 & DN65 square drain port. DN80-DN600 circular drain port. 16 Bar rated with a temperature range of -10°C to +230°C
    Status: In Stock
    Picture of 4" CORE 276 WRAS PN16 Cast Iron Y Type Strainer

    4" CORE 276 WRAS PN16 Cast Iron Y Type Strainer

    CORE276WRAS100
    Cast Iron Flanged Y Strainer. Flange mounting PN16 only. BS EN558-1 Series 1. DN50 & DN65 square drain port. DN80-DN600 circular drain port. Fusion Bonded Epoxy Coat Finish. DN50 - DN300 WRAS Approved. DN350 - DN600 WRAS Approved Coating. 16 Bar rated with a temp range of -10°C to +85°C
    Status: In Stock
    Picture of 5" CORE 276 PN16 Cast Iron Y Strainer

    5" CORE 276 PN16 Cast Iron Y Strainer

    CORE276125
    Cast Iron Flanged Y Strainer. Flange mounting PN16 only. Flange conforms to BS EN1092 PN16. BS EN558-1 Series 1. DN50 & DN65 square drain port. DN80-DN600 circular drain port. 16 Bar rated with a temperature range of -10°C to +230°C
    Status: Out of Stock
    Picture of 5" CORE 276 WRAS PN16 Cast Iron Y Type Strainer

    5" CORE 276 WRAS PN16 Cast Iron Y Type Strainer

    CORE276WRAS125
    Cast Iron Flanged Y Strainer. Flange mounting PN16 only. BS EN558-1 Series 1. DN50 & DN65 square drain port. DN80-DN600 circular drain port. Fusion Bonded Epoxy Coat Finish. DN50 - DN300 WRAS Approved. DN350 - DN600 WRAS Approved Coating. 16 Bar rated with a temp range of -10°C to +85°C
    Status: In Stock
    Picture of 6" CORE 276 PN16 Cast Iron Y Strainer

    6" CORE 276 PN16 Cast Iron Y Strainer

    CORE276150
    Cast Iron Flanged Y Strainer. Flange mounting PN16 only. Flange conforms to BS EN1092 PN16. BS EN558-1 Series 1. DN50 & DN65 square drain port. DN80-DN600 circular drain port. 16 Bar rated with a temperature range of -10°C to +230°C
    Status: Out of Stock
    Picture of 6" CORE 276 WRAS PN16 Cast Iron Y Type Strainer

    6" CORE 276 WRAS PN16 Cast Iron Y Type Strainer

    CORE276WRAS150
    Cast Iron Flanged Y Strainer. Flange mounting PN16 only. BS EN558-1 Series 1. DN50 & DN65 square drain port. DN80-DN600 circular drain port. Fusion Bonded Epoxy Coat Finish. DN50 - DN300 WRAS Approved. DN350 - DN600 WRAS Approved Coating. 16 Bar rated with a temp range of -10°C to +85°C
    Status: In Stock
    Picture of 8" CORE 276 PN16 Cast Iron Y Strainer

    8" CORE 276 PN16 Cast Iron Y Strainer

    CORE276200
    Cast Iron Flanged Y Strainer. Flange mounting PN16 only. Flange conforms to BS EN1092 PN16. BS EN558-1 Series 1. DN50 & DN65 square drain port. DN80-DN600 circular drain port. 16 Bar rated with a temperature range of -10°C to +230°C
    Status: Out of Stock
    Picture of 8" CORE 276 WRAS PN16 Cast Iron Y Type Strainer

    8" CORE 276 WRAS PN16 Cast Iron Y Type Strainer

    CORE276WRAS200
    Cast Iron Flanged Y Strainer. Flange mounting PN16 only. BS EN558-1 Series 1. DN50 & DN65 square drain port. DN80-DN600 circular drain port. Fusion Bonded Epoxy Coat Finish. DN50 - DN300 WRAS Approved. DN350 - DN600 WRAS Approved Coating. 16 Bar rated with a temp range of -10°C to +85°C
    Status: Out of Stock
    Picture of 10" CORE 276 PN16 Cast Iron Y Strainer

    10" CORE 276 PN16 Cast Iron Y Strainer

    CORE276250
    Cast Iron Flanged Y Strainer. Flange mounting PN16 only. Flange conforms to BS EN1092 PN16. BS EN558-1 Series 1. DN50 & DN65 square drain port. DN80-DN600 circular drain port. 16 Bar rated with a temperature range of -10°C to +230°C
    Status: Out of Stock
    Picture of 10" CORE 276 WRAS PN16 Cast Iron Y Type Strainer

    10" CORE 276 WRAS PN16 Cast Iron Y Type Strainer

    CORE276WRAS250
    Cast Iron Flanged Y Strainer. Flange mounting PN16 only. BS EN558-1 Series 1. DN50 & DN65 square drain port. DN80-DN600 circular drain port. Fusion Bonded Epoxy Coat Finish. DN50 - DN300 WRAS Approved. DN350 - DN600 WRAS Approved Coating. 16 Bar rated with a temp range of -10°C to +85°C
    Status: Out of Stock
    Picture of 12" CORE 276 PN16 Cast Iron Y Strainer

    12" CORE 276 PN16 Cast Iron Y Strainer

    CORE276300
    Cast Iron Flanged Y Strainer. Flange mounting PN16 only. Flange conforms to BS EN1092 PN16. BS EN558-1 Series 1. DN50 & DN65 square drain port. DN80-DN600 circular drain port. 16 Bar rated with a temperature range of -10°C to +230°C
    Status: Out of Stock
    Picture of 12" CORE 276 WRAS PN16 Cast Iron Y Type Strainer

    12" CORE 276 WRAS PN16 Cast Iron Y Type Strainer

    CORE276WRAS300
    Cast Iron Flanged Y Strainer. Flange mounting PN16 only. BS EN558-1 Series 1. DN50 & DN65 square drain port. DN80-DN600 circular drain port. Fusion Bonded Epoxy Coat Finish. DN50 - DN300 WRAS Approved. DN350 - DN600 WRAS Approved Coating. 16 Bar rated with a temp range of -10°C to +85°C
    Status: Out of Stock
    Picture of 15mm CORE WRAS Comp Single Check Valve

    15mm CORE WRAS Comp Single Check Valve

    CF424WRAS015
    15mm Dezincification Resisitant Compression Single Check Valve. WRAS Approved, 10 Bar Rated, -10°C to +85°C. CxC
    Status: In Stock
    Picture of 15mm CORE WRAS DZR Comp Double Check Valve

    15mm CORE WRAS DZR Comp Double Check Valve

    CF4424WRAS015
    15mm Dezincification Resistant Compression Double Check Valve. WRAS Approved, 10 Bar Rated, -10°C to +85°C. CxC
    Status: In Stock
    Picture of 22mm CORE WRAS DZR Comp Double Check Valve

    22mm CORE WRAS DZR Comp Double Check Valve

    CF4424WRAS022
    22mm Dezincification Resistant Compression Double Check Valve. WRAS Approved, 10 Bar Rated, -10°C to +85°C. CxC
    Status: In Stock
    Picture of 28mm CORE WRAS DZR Comp Double Check Valve

    28mm CORE WRAS DZR Comp Double Check Valve

    CF4424WRAS028
    28mm Dezincification Resistant Compression Double Check Valve. WRAS Approved, 10 Bar Rated, -10°C to +85°C. CxC
    Status: In Stock
    Picture of 1/2" CORE 4426 DZR Brass Double Check Valve WRAS

    1/2" CORE 4426 DZR Brass Double Check Valve WRAS

    CF4426WRAS015
    1/2" Dezincification Resistant Brass Double Check Valve. WRAS Approved, DZR, EDPM Seals, Stainless Spring, BSEN 13959, 0.1 to 16 Bar Rated, -10°C to 85°C Working Temperature.
    Status: In Stock
    Picture of 3/4" CORE 4426 DZR Brass Double Check Valve WRAS

    3/4" CORE 4426 DZR Brass Double Check Valve WRAS

    CF4426WRAS020
    3/4" Dezincification Resistant Brass Double Check Valve. WRAS Approved, DZR, EDPM Seals, Stainless Spring, BSEN 13959, 0.1 to 16 Bar Rated, -10°C to 85°C Working Temperature.
    Status: In Stock
    Picture of 1" CORE 4426 DZR Brass Double Check Valve WRAS

    1" CORE 4426 DZR Brass Double Check Valve WRAS

    CF4426WRAS025
    1" Dezincification Resistant Brass Double Check Valve. WRAS Approved, DZR, EDPM Seals, Stainless Spring, BSEN 13959, 0.1 to 16 Bar Rated, -10°C to 85°C Working Temperature.
    Status: In Stock
    Picture of 1 1/4" CORE 4426 DZR Brass Double Check Valve WRAS

    1 1/4" CORE 4426 DZR Brass Double Check Valve WRAS

    CF4426WRAS032
    1 1/4" Dezincification Resistant Brass Double Check Valve. WRAS Approved, DZR, EDPM Seals, Stainless Spring, BSEN 13959, 0.1 to 16 Bar Rated, -10°C to 85°C Working Temperature.
    Status: In Stock
    Picture of 1 1/2" CORE 4426 DZR Brass Double Check Valve WRAS

    1 1/2" CORE 4426 DZR Brass Double Check Valve WRAS

    CF4426WRAS040
    1 1/2" Dezincification Resistant Brass Double Check Valve. WRAS Approved, DZR, EDPM Seals, Stainless Spring, BSEN 13959, 0.1 to 16 Bar Rated, -10°C to 85°C Working Temperature.
    Status: In Stock
    Picture of 2" CORE 4426 DZR Brass Double Check Valve WRAS

    2" CORE 4426 DZR Brass Double Check Valve WRAS

    CF4426WRAS050
    2" Dezincification Resistant Brass Double Check Valve. WRAS Approved, DZR, EDPM Seals, Stainless Spring, BSEN 13959, 0.1 to 16 Bar Rated, -10°C to 85°C Working Temperature.
    Status: In Stock
    Picture of 2" CORE 121 C/I PN16 WRAS Dual Plate Wafer Check Valve

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

    CORE121050
    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: In Stock
    Picture of 2 1/2" CORE 121 C/I PN16 WRAS Dual Plate Wafer Check Valve

    2 1/2" CORE 121 C/I PN16 WRAS Dual Plate Wafer Check Valve

    CORE121065
    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: In Stock
    Picture of 3" CORE 121 C/I PN16 WRAS Dual Plate Wafer Check Valve

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

    CORE121080
    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: In Stock
    Picture of 4" CORE 121 C/I PN16 WRAS Dual Plate Wafer Check Valve

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

    CORE121100
    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: In Stock
    Picture of 5" CORE 121 C/I PN16 WRAS Dual Plate Wafer Check Valve

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

    CORE121125
    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: In Stock
    Picture of 6" CORE 121 C/I PN16 WRAS Dual Plate Wafer Check Valve

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

    CORE121150
    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: In Stock