Female Cam W/ Probe 4 in. X 4 in. & Butterfly Check Valve - AEBW4X4CHECK

A-401-300 | Marlin Valve Co. A-401-300 Butterfly Check Valve 150 CSN S R 285 PSI 150 Lb 4"

Titan Flow Control CV-42-CS-V-MTS-0600 6 in. Carbon Steel Wafer Type Butterfly Vapor Line Check Valve W/ Viton Seat & SS Disc - ASME Class 150

3 Inches Cast Iron Wafer Check Valve - Double Wing

12" Wafer Check Ductile Iron /Stainless Steel With EPDM Seat 150 Dual Disc Titan CV41DSE