Backer Valve, Welch, Duoseal, Part# 618538A

This Backer Valve is used on Welch brand's Duoseal 1374, 1397 pump models. It is a critical component in maintaining the efficiency and reliability of Welch's Duoseal vacuum pumps. It serves a specific function within the vacuum pump system. The primary function of the Backer Valve is to control the flow of gases within the vacuum pump system. It plays a key role in regulating the opening and closing of ports, allowing for efficient compression and evacuation of gases as part of the pump's operation. More information about this can be found by downloading pdf catalogue and documents below Backer Valve, Welch, Duoseal, Part# 618538A.