Control systems Self-acting controls
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Local regulations may restrict the use of this product to below the conditions quoted. In the interests of development and improvement of the product, we reserve the right to change the specification without notice. © Copyright 2026
TI-P047-01 CTLS Issue 14
TW Three-port Self-acting Control Valve for Liquid Systems Description The TW valve is a 3-port self-acting control valve for liquid systems (including sea water) and can be used for mixing or diverting applications. It is used in conjunction with a Spirax Sarco SA control system to provide a self-acting temperature control unit. Available types Bronze valves Screwed ¾ ", 1" and 1 ½ " Cast iron valves Flanged DN50, DN80 and DN100
4.5 65
Sizes and pipe connections Bronze valves
¾ ", 1" and 1 ½ " BSP T Rp (ISO 7-1) or NPT.
Cast iron valves
DN50, DN80 and DN100 standard flange EN 1092 PN16 which also meets the face-to-face dimensions of PN10.
TI-P047-01 CTLS Issue 14
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TW Three-port Self-acting Control Valve for Liquid Systems
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