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Teco Excess Flow Valve 25mm 4m3/h Vert-Up/Hor FI x MI
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Teco Excess Flow Valve 25mm 2.5m3h Vert-Down MI x FI
Teco Excess Flow Valve 25mm 2.5m3h Vert-Down MI x FI
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Teco Excess Flow Valve 25mm 4m3h Vert-Down MI x FI
Teco Excess Flow Valve 25mm 4m3h Vert-Down MI x FI
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Teco Excess Flow Valve 25mm 4m3/h Vert-Up/Hor FI x MI

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Product Code
 EFV25-4VHFM

                 Product Description

        • Excess flow valve for gas systems, instantly blocks flow when rate exceeds 4m3/H.
        • Flow Direction: Vertical Upwards and Horizontal (Working Pressure: 15mbar - 100mbar).
        • Connection: DN25 - Inlet: Female thread - Outlet: Male thread
        • Meets the requirements for class 1a Buildings as per AS/NZS5601.1 (2022) Clause 5.2.11 - Provision of fire emergency isolation for multilayer pipe.
        • The spring in the GST is fully protected from the flow of gas (patented) so that it does not encounter impurities that could alter is proper.
GST EFV Flyer.pdf
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GST Excess Flow Valve Selection Chart.pdf
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