Gruvlok® Butterfly Valve, Series: FIG B480, 4 in Nominal, Grooved, -20 to 180 deg F, Lever Handle Actuator, 316 Stainless Steel Body, 316 Stainless Steel Disc, 410 Stainless Steel (Stem)/Steel (Roll Pin) Stem & Pin Material, , 4-1/2 in OD

The Model B480 Grooved End Stainless Steel Butterfly Valve with Lever handle is a grooved-end stainless steel butterfly valve designed for 300 psi service, supplied with a 10-position locking lever handle. The end-to-end dimensions conform to MSS SP-67. The body is investment cast in grade CF8M (Type 316) to ASTM A743 with integral neck and ISO mounting top flange. The neck height allows for pipe insulation up to 2 in thick. The disc is a dual-seal type, encapsulated either with Grade "EN" EPDM for cold water services or with Grade "T" Nitrile for oil services. The Model B480 Stainless Steel Butterfly Valves with standard disc and Grade "EN" EPDM seat are UL classified to ANSI/NSF 61 and ANSI/NSF 372.