End connections: Available with FPT x MPT, FPT x Solder, Solder x Solder (Double Union Only)
UNISERTS
TRV 40 (Fail - Open)
For steam or hot water application. Removable EPDM soft disc, non removable brass integral seat. Valve fails in the open position when control is tampered with.
For steam or hot water application with stainless steel seat and teflon disc. Valve fails in the open position when control is tampered with. Available with EPDM or Viton O-Rings.
For hot water application with brass seat and EPDM soft disc. Valve fails in the closed position when control is removed or broken off, but will allow 5% flow for frost protection.
Uniserts and standard cartridges for steam and hot water applications are interchangeable in all valve patterns. System does not have to be drained when using American Steam Control unichanger.
