Plunger - Needle Valve, Body: ASTM A216 GR WCB + FBE Coating, Face to Face acc. EN 558-1 Series 15 (F5) up to DN450. Above DN500-DN1200: 1.5 * DN, Piston: SS-304-A2 (ASTM A351 GR CF8), Connecting Rod: SS-304-A2 (ASTM A351 GR CF8), Crank: SS-304-A2 (ASTM A351 GR CF8), Shaft: F51 Duplex 2205 Stainless Steel (22% Cr - SS ASTM A182 GR F51), Retaining Ring: SS-304-A2 (ASTM A351 GR CF8), Seat Sealing: EPDM (WRAS-DVGW W-270), Piston Guide: Bronze Overlay, Shaft Bushing: Bronze, Cap screws: A4-70 (SS-316), Vent Plug: SS-304-A2, Eye Bolt: C15. Valve Test as per EN-12266-1, Coating: Fusion Bonded Epoxy Coating RAL-5005 (WRAS-DVGW W-270), avg 250-310 microns.
