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    GFS Gasflex

    Bes Yapi started manufacturing products under the Gas Flex Systems (GFS) brand in 2004. Established in 1996, Bes Yapi are one of the leading manufacturers. We produce high-quality, innovative stainless steel gas and flexible metal hoses. We now export GFS products to over 25 countries worldwide, on 5 continents! The GFS UK office and warehousing is now based in Cheshunt, Hertfordshire. All our products are available in the UK via our approved distribution network.

    GFS CSST, manufactured to BS EN 15266, is the safest, most efficient and fastest CSST system in the market. GFS PLUS comes pre-sleeved and is also the only genuine pipe-in-pipe CSST solution available in the UK. GFS Cooker Hoses are universal and suitable for both natural gas and LPG. Both the Angled Bayonet and Micro-point Cooker Hoses come complete with a patented swivel end.

    Visit www.gfsflex.com for more information.

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    Picture of DN15 Gas Flex DZR Male Adaptor x 1/2" BSP

    DN15 Gas Flex DZR Male Adaptor x 1/2" BSP

    GFSMA015
    15mm DZR Male adapter x 1/2" BSP. GFS CSST fittings manufactured from dezincification resistant brass (DZR) to EN 12164 standards. Nickel coated for added material protection and corrosion resistance.
    Picture of DN15 Gas Flex DZR Male Adaptor x 3/4" BSP

    DN15 Gas Flex DZR Male Adaptor x 3/4" BSP

    GFSMA015020
    15mm DZR Male adapter x 3/4" BSP. GFS CSST fittings manufactured from dezincification resistant brass (DZR) to EN 12164 standards. Nickel coated for added material protection and corrosion resistance.
    Picture of DN20 Gas Flex DZR Male Adaptor x 1/2" BSP

    DN20 Gas Flex DZR Male Adaptor x 1/2" BSP

    GFSMA020015
    20mm DZR Male adapter x 1/2" BSP. GFS CSST fittings manufactured from dezincification resistant brass (DZR) to EN 12164 standards. Nickel coated for added material protection and corrosion resistance.
    Picture of DN20 Gas Flex DZR Male Adaptor x 3/4" BSP

    DN20 Gas Flex DZR Male Adaptor x 3/4" BSP

    GFSMA020
    20mm DZR Male adapter x 3/4" BSP. GFS CSST fittings manufactured from dezincification resistant brass (DZR) to EN 12164 standards. Nickel coated for added material protection and corrosion resistance.
    Picture of DN15 Gas Flex DZR Straight Coupling

    DN15 Gas Flex DZR Straight Coupling

    GFSC015
    15mm DZR Straight Coupling. GFS CSST fittings manufactured from dezincification resistant brass (DZR) to EN 12164 standards. They are nickel coated for added material protection and corrosion resistance.
    Picture of DN25 Gas Flex DZR Male Adaptor x 1/2" BSP

    DN25 Gas Flex DZR Male Adaptor x 1/2" BSP

    GFSMA025015
    25mm DZR Male adapter x 1/2" BSP. GFS CSST fittings manufactured from dezincification resistant brass (DZR) to EN 12164 standards. Nickel coated for added material protection and corrosion resistance.
    Picture of DN25 Gas Flex DZR Male Adaptor x 3/4" BSP

    DN25 Gas Flex DZR Male Adaptor x 3/4" BSP

    GFSMA025020
    25mm DZR Male adapter x 3/4" BSP. GFS CSST fittings manufactured from dezincification resistant brass (DZR) to EN 12164 standards. Nickel coated for added material protection and corrosion resistance.
    Picture of DN15 Gas Flex DZR Coupling x 15mm Compression Copper

    DN15 Gas Flex DZR Coupling x 15mm Compression Copper

    GFSCCU015
    15mm DZR Coupling x 15mm Compression Copper. GFS CSST fittings manufactured from dezincification resistant brass (DZR) to EN 12164 standards. They are nickel coated for added material protection and corrosion resistance.
    Picture of DN25 Gas Flex DZR Male Adaptor x 1" BSP

    DN25 Gas Flex DZR Male Adaptor x 1" BSP

    GFSMA025
    25mm DZR Male adapter x 1" BSP. GFS CSST fittings manufactured from dezincification resistant brass (DZR) to EN 12164 standards. Nickel coated for added material protection and corrosion resistance.
    Picture of DN20 Gas Flex DZR Straight Coupling

    DN20 Gas Flex DZR Straight Coupling

    GFSC020
    20mm DZR Straight Coupling. GFS CSST fittings manufactured from dezincification resistant brass (DZR) to EN 12164 standards. They are nickel coated for added material protection and corrosion resistance.
    Picture of DN20 Gas Flex DZR Coupling x 15mm Compression Copper

    DN20 Gas Flex DZR Coupling x 15mm Compression Copper

    GFSCCU020015
    20mm DZR Coupling x 15mm Compression Copper. GFS CSST fittings manufactured from dezincification resistant brass (DZR) to EN 12164 standards. They are nickel coated for added material protection and corrosion resistance.
    Picture of 25mm Gas Flex Self-Amalgamating Tape

    25mm Gas Flex Self-Amalgamating Tape

    GFSSAT025
    25mm wide x 10m length Gas Flex self-amalgamating corrosive protection tape for stainless steel pipe
    Picture of DN20 Gas Flex DZR Coupling x 22mm Compression Copper

    DN20 Gas Flex DZR Coupling x 22mm Compression Copper

    GFSCCU020022
    20mm DZR Coupling x 22mm Compression Copper. GFS CSST fittings manufactured from dezincification resistant brass (DZR) to EN 12164 standards. They are nickel coated for added material protection and corrosion resistance.
    Picture of DN15 Gas Flex DZR Equal Tee

    DN15 Gas Flex DZR Equal Tee

    GFST015
    15mm DZR Equal Tee. GFS CSST fittings manufactured from dezincification resistant brass (DZR) to EN 12164 standards. They are nickel coated for added material protection and corrosion resistance.
    Picture of DN25 Gas Flex DZR Straight Coupling

    DN25 Gas Flex DZR Straight Coupling

    GFSC025
    25mm DZR Straight Coupling. GFS CSST fittings manufactured from dezincification resistant brass (DZR) to EN 12164 standards. They are nickel coated for added material protection and corrosion resistance.
    Picture of DN20 Gas Flex DZR Equal Tee

    DN20 Gas Flex DZR Equal Tee

    GFST020
    20mm DZR Equal Tee. GFS CSST fittings manufactured from dezincification resistant brass (DZR) to EN 12164 standards. They are nickel coated for added material protection and corrosion resistance.
    Picture of DN25 Gas Flex DZR Coupling x 22mm Compression Copper

    DN25 Gas Flex DZR Coupling x 22mm Compression Copper

    GFSCCU025022
    25mm DZR Coupling x 22mm Compression Copper. GFS CSST fittings manufactured from dezincification resistant brass (DZR) to EN 12164 standards. They are nickel coated for added material protection and corrosion resistance.
    Picture of DN25 Gas Flex DZR Coupling x 28mm Compression Copper

    DN25 Gas Flex DZR Coupling x 28mm Compression Copper

    GFSCCU025028
    25mm DZR Coupling x 28mm Compression Copper. GFS CSST fittings manufactured from dezincification resistant brass (DZR) to EN 12164 standards. They are nickel coated for added material protection and corrosion resistance.
    Picture of 50mm Gas Flex Self-Amalgamating Tape

    50mm Gas Flex Self-Amalgamating Tape

    GFSSAT050
    50mm wide x 10m length Gas Flex self-amalgamating corrosive protection tape for stainless steel pipe
    Picture of DN32 Gas Flex DZR Coupling x 22mm Compression Copper

    DN32 Gas Flex DZR Coupling x 22mm Compression Copper

    GFSCCU032022
    32mm DZR Coupling x 22mm Compression Copper. GFS CSST fittings manufactured from dezincification resistant brass (DZR) to EN 12164 standards. They are nickel coated for added material protection and corrosion resistance.
    Picture of DN32 Gas Flex DZR Male Adaptor x 11/4" BSP

    DN32 Gas Flex DZR Male Adaptor x 11/4" BSP

    GFSMA032
    32mm DZR Male adapter x 1 1/4" BSP. GFS CSST fittings manufactured from dezincification resistant brass (DZR) to EN 12164 standards. Nickel coated for added material protection and corrosion resistance.
    Picture of DN25 Gas Flex DZR Equal Tee

    DN25 Gas Flex DZR Equal Tee

    GFST025
    25mm DZR Equal Tee. GFS CSST fittings manufactured from dezincification resistant brass (DZR) to EN 12164 standards. They are nickel coated for added material protection and corrosion resistance.
    Picture of DN32 Gas Flex DZR Coupling x 28mm Compression Copper

    DN32 Gas Flex DZR Coupling x 28mm Compression Copper

    GFSCCU032028
    32mm DZR Coupling x 28mm Compression Copper. GFS CSST fittings manufactured from dezincification resistant brass (DZR) to EN 12164 standards. They are nickel coated for added material protection and corrosion resistance.
    Picture of DN32 Gas Flex DZR Coupling x 35mm Compression Copper

    DN32 Gas Flex DZR Coupling x 35mm Compression Copper

    GFSCCU032035
    32mm DZR Coupling x 35mm Compression Copper. GFS CSST fittings manufactured from dezincification resistant brass (DZR) to EN 12164 standards. They are nickel coated for added material protection and corrosion resistance.
    Picture of DN32 Gas Flex DZR Straight Coupling

    DN32 Gas Flex DZR Straight Coupling

    GFSC032
    32mm DZR Straight Coupling. GFS CSST fittings manufactured from dezincification resistant brass (DZR) to EN 12164 standards. They are nickel coated for added material protection and corrosion resistance.