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EN 1074-4 Flange End Air Valve With Inner Isolation Valve

EN 1074-4 Flange End Air Valve With Inner Isolation Valve

    The YFL ductile cast iron flanged end air valve with inner isolation valve is widely used to serve the medium of water and steam in the low pressure pipelines of municipal engineering.

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  • Features
  • Specification

·        The YFL ductile cast iron air valve has double orifices or single orifice;
·        Single orifice combine type or automatic type available;
·       The YFL GGG40 air valve has Flanged end or threaded end;
·        With inner isolation valve available.

EN1074-4 flange end air valve with inner isolation valveFlanged Single orifice combined type air valvesFlanged single orifice automatic type air valvesThreaded end single orifices automatic type air valves

Product range:

·        Size: DN15-DN200 1/2’’ 8’’
·        Pressure rating: PN6 PN10 PN16 125PSI 150PSI
·        End connection: Flanged end threaded end
·        Body materials: Grey cast iron Ductile cast iron GG25 GGG40 GGG50

 Technical standards:

·        Design: EN 1074-4
·        Face to Face: EN558-1
·        Flanged ends: EN 1092-1
·        Test and inspection: DIN3230