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Product Name: Alloy Precision Casting Fire Hose Coupling Model NO.: hose end with ferrule al Standard: Standard Material: Alloy Flexible or Rigid: Flexible Structure: Universal Connection: Male Delivery Time: 35 Days After We Get The 30% Deposit Trademark: OEM Transport Package: Carton, Pallet Specification: ALL SIZES Origin: China Product Description Alloy Precision Casting Fire Hose CouplingSpecification:Standard: EN 14420-8/NF E29-572Casting Method: Gravity Casting or Precision CastingSize: From DN40 (1-1/2") to DN100(4")Material: Alumiunium A356-T6 (Heat Treated), Staintless Steel 316, Brass and PPSeal: NBR, EPDM, FPM, PTFEThread: BSPSurface Treatment: Polishing or Sand-BlastWorking Pressure: 16bar/230psiTest Pressure: 30bar/435psiMinimum Blast Pressure: 50bar/725psiSizePart Number1-1/2"DN40AL 680H40B2"DN50AL 680H50B2-1/2"DN65AL 680H65B3"DN80AL 680H80B4"DN100AL 680H100B