AMERICAN STEAM CONTROL

 Division of Walsh Controls, Inc.

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Thermostatic Radiator Valves    

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Valve Styles & Sizes 

Straight  Pattern	Horizontal  Angle	Vertical Angle	One Pipe Steam
(sizes 1/2" - 1¼")	(sizes 1/2" - 1")	(sizes 1/2" - 1¼")	(available only in size 1/8") 01-131-01

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 40 Vertical Angle (01-140-00)

TRV 40 Horizontal Angle  (01-240-00)

TRV 40 Straight Pattern  (01-340-00)

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 30 Vertical Angle  (01-130-00)

TRV 30 Horizontal Angle  (01-230-00)

TRV 30 Straight Pattern  (01-330-00)

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 20 Vertical Angle  (01-120-00)

TRV 20 Horizontal Angle  (01-220-00)

                                      TRV 20 Straight Pattern (01-320-00)

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.

TRV 10 Vertical Angle  (01-110-00)

TRV 10 Horizontal Angle  (01-210-00)

TRV 10 Straight Pattern  (01-310-00)

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.