UK Product Handbook 2026 - Volume 1

44

Control systems Self-acting controls

Dimensions/weights (approximate) in mm and kg

Screwed A

Bronze screwed Size

A

B

C

Weight

¾"

97

54

58

1.2

B

1"

114

57

61

1.9

1½"

151

70

76

3.8

C

Flanged A

Bronze flanged PN25 Size A

B

C

Weight

DN50

201

144

133

15.0

B

Cast iron flanged PN16 Size A

B

C

Weight

C

DN50 DN80 DN100

219

153

133

13.7

4.5 68

250

176

135

25.0

351

151

140

32.0

Safety information, installation and maintenance For full details see the Installation and Maintenance Instructions supplied with the product. Installation note: The valve should be fitted in a horizontal line with the actuator vertically below the line. Note that the ports are marked X , Z and O .

O

O

X

X

Z

Z

How to order Example: 1 off Spirax Sarco DN50, TW 3-port self-acting control valve having a bronze body and flanged connections to PN25.

TI-P047-01 CTLS Issue 13

Page 4 of 5

TW Three-port Self-acting Control Valve for Liquid Systems

Powered by