Control valves

Self-acting controls

Kv values

DN15

2.58

For conversion:

Capacities

DN20

3.86

Cv (UK) = Kv x 0.963

DN25

6.80

Cv (US) = Kv x 1.156

Spare parts

The spare parts available are shown in heavy outline. Parts drawn

in broken line are not supplied as spares.

Available spares

Valve seat and

stem assembly

SB

SBRA

A, D, E, L

A1, D1, E, T1, R, S

E, L

L1, L2, E

For saturated steam sizing capacities, see TI-GCM-08.

For water sizing capacities, see TI-GCM-09.

Dimensions/weights (approximate) in mm and kg

SB

Set of all gaskets

SBRA

How to order spares

Size

A1

A2

DN15 79

79

DN20 95

79

B

C

D

E

Weight

101

66

50

95

1.0

101

66

50

95

1.3

Always order spares by using the description given in the column

headed 'Available spares' and state the size and type of valve.

Example: 1 - Valve seat and stem assembly for a 3⁄4" SBRA

self-acting temperature control valve.

DN25 105

79

101

66

E

D

C

B

50

95

1.5

A1

SB

L

E

D

A

L

SB

A2

SBRA

SBRA

L1

T1

A1

R

E

D1

S

L2

Safety information, installation and maintenance

For full details see the Installation and Maintenance Instructions

(IM-S21-01) supplied with the product.

Installation note:

The valve should be fitted in a horizontal line. The actuator position

will depend on the type fitted to the valve.

How to order

Example: 1 off Spirax Sarco 1" SB self-acting temperature control

valve with bronze body having screwed BSP connections.

SB and SBRA Gunmetal Self-acting Temperature Control Valves

TI-P044-01 CH Issue 8

4.5.46

V

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a

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m

a

s

s

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b

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y