20 Liquid/Vapor ACME Valves All products are Pre-Applied with sealant on the inlet thread. Vapor Equalization Valve: 66.1206 Upper back check valve and lower excess flow valve combined. Other Items: 19 Liquid Withdrawal Valves with Excess Flow 17 Service Valves for ASME & DOT Containers / Fuel Line Application 16 Withdrawal Valves << Return to Items