Midland Metal 944411 In-Line Check Valve, 4 in Nominal, FNPT x FNPT, Brass Body, Import

In-Line Check Valve, 4 in Nominal, Connection Type: FNPT x FNPT, 175 psi, 10 to 210 deg F, Brass Body, 100002 NBR Seat, NBR Seal, Polyetherimide Disc, Lead-Free/Contains Lead: Contains Lead, Import, Additional Information: 1/2 psi Low Cracking Pressure, Brass End Connection, Stainless Steel Spring, 4-8 Thread Size, 1.09 in End Length, 12.430 lb Weight