Product Name: Ductile Iron UL FM Listed Fire Grooved Check Valve Price Application: Industrial Usage, Water Industrial Usage Standard: GB Flow Direction: Reversing Sealing Form: Bellows Globe Valve Function: Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence Pressure: High Temperature Structure: Swing Connection Form: Thread Material: Cast Iron Temperature: High Temperature Media: Water Body Material: Ductile Iron ASTM A536,65-45-12 Connection: Flange Ends/Grooved Ends Color: Red/Bule Size: Dn50-Dn300 Trademark: MECH Transport Package: Export Standard Origin: China HS Code: 8481300000 Product Description Statement:Installed before relief valves, atmospheric valves, hydraulic control valves as well as other equipments, strainers serve to filter our the impurities in the flow medium for protection of valves and equipments in the piping system.Features:1. Material: Ductile Iron ASTM A536, 65-45-12Valve body and cover are produced in ductile iron material which provides guarantee for high strength and good corrosion resistance.2. Different Options of Screen Mesh SpecificationDifferent options of screen mesh specification available as per different service conditions.3. Fusion Bonded Epoxy CoatingFusion bonded epoxy coating in accordance with ANSI/AWWA C550 for both interior and exterior surface which provides reliable corrosion resistance.