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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.

    For more information visit: www.gfsflex.com

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    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
    Stock Availability: In stock
    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
    Stock Availability: In stock
    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.
    Stock Availability: In stock
    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.
    Stock Availability: In stock
    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.
    Stock Availability: In stock
    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.
    Stock Availability: In stock
    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.
    Stock Availability: In stock
    Picture of DN15mm x 15 Metres GFS CSST Pipe EN15266

    DN15mm x 15 Metres GFS CSST Pipe EN15266

    GFS015015
    15mm X 15 metre length GFS CSST stainless steel flexible push fit tube confirming to EN15266 *price per coil, 1 quantity = 15 meter coil
    Stock Availability: Out of stock
    Picture of DN15mm x 30 Metres GFS CSST Pipe EN15266

    DN15mm x 30 Metres GFS CSST Pipe EN15266

    GFS015030
    15mm X 30 metre length GFS CSST stainless steel flexible push fit tube confirming to EN15266 *price per coil, 1 quantity = 30 meter coil
    Stock Availability: Out of stock
    Picture of DN15mm x 60 Metres GFS CSST Pipe EN15266

    DN15mm x 60 Metres GFS CSST Pipe EN15266

    GFS015060
    15mm X 60 metre length GFS CSST stainless steel flexible push fit tube confirming to EN15266 *price per coil, 1 quantity = 60 meter coil
    Stock Availability: In stock
    Picture of DN15mm x 90 Metres GFS CSST Pipe EN15266

    DN15mm x 90 Metres GFS CSST Pipe EN15266

    GFS015090
    15mm X 90 metre length GFS CSST stainless steel flexible push fit tube confirming to EN15266 *price per coil, 1 quantity = 90 meter coil
    Stock Availability: Out of stock
    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.
    Stock Availability: In stock
    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.
    Stock Availability: In stock
    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.
    Stock Availability: In stock
    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.
    Stock Availability: Out of stock
    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.
    Stock Availability: In stock
    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.
    Stock Availability: In stock
    Picture of DN20mm x 15 Metres GFS CSST Pipe EN15266

    DN20mm x 15 Metres GFS CSST Pipe EN15266

    GFS020015
    20mm X 15 metre length GFS CSST stainless steel flexible push fit tube confirming to EN15266 *price per coil, 1 quantity = 15 meter coil
    Stock Availability: Out of stock
    Picture of DN20mm x 30 Metres GFS CSST Pipe EN15266

    DN20mm x 30 Metres GFS CSST Pipe EN15266

    GFS020030
    20mm X 30 metre length GFS CSST stainless steel flexible push fit tube confirming to EN15266 *price per coil, 1 quantity = 30 meter coil
    Stock Availability: Out of stock
    Picture of DN20mm x 60 Metres GFS CSST Pipe EN15266

    DN20mm x 60 Metres GFS CSST Pipe EN15266

    GFS020060
    20mm X 60 metre length GFS CSST stainless steel flexible push fit tube confirming to EN15266 *price per coil, 1 quantity = 60 meter coil
    Stock Availability: In stock
    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.
    Stock Availability: In stock
    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.
    Stock Availability: In stock
    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.
    Stock Availability: In stock
    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.
    Stock Availability: In stock
    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.
    Stock Availability: In stock