AMERICAN STEAM CONTROL

Division of Walsh Controls, Inc.

1-888-703-3999

Thermostatic Radiator Valves

Valve Styles & Sizes

Straight Pattern
(sizes 1/2" - 1¼")

Horizontal Angle
(sizes 1/2" - 1")

Vertical Angle
(sizes 1/2" - 1¼")

One Pipe Steam
(available only in size 1/8")
01-131-01

*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.

TRV 30 (Fail - Open)

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.

TRV 20 (Fail - Close)

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.

TRV 10 (Fail - Close)

For steam application with stainless steel seat and Teflon disc. Valve fails in the closed position when control is removed or broken off.

UNICHANGER

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.

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