UK Product Handbook 2026 - Volume 1

44

Control systems Self-acting controls

Dimensions/weights (approximate) in mm (inches) and kg (pounds)

D

C

A

Size

A

C

D

Weights

144 (5.7) 150 (5.9) 180 (7.1)

80 (3.1) 90 (3.5) 100 (3.9)

7.25 (16.0) 8.57 (19.0) 10.60 (23.4)

1¼"

154 (6.1)

1½"

4.5 54

2"

Kv values Size

1¼"

1½"

2"

For conversion: Cv (UK) = Kv x 0.963 Cv (US) = Kv x 1.156

Kv

16.48

23.70

34.0

Capacities For saturated steam sizing capacities see TI-GCM-08. For water valve sizing capacities see TI-GCM-09.

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 pipeline.

How to order Example : 1 off Spirax Sarco 2", KY51 self-acting control valve with bronze body having screwed BSP connections.

TI-P078-03 CTLS Issue 13

Page 4 of 5

KY51 Bronze Self-acting Control Valves

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