Control valves

Self-acting controls

4.5.61

ISO 9001

Cert. No. LRQ 0963008

Description

The standard Type 58 temperature control is a three port mixing or

diverting valve suitable for heating or cooling applications on water

or oil systems.

Valve option

Valves are available for use on sea water or brine applications.

Please contact Spirax Sarco for further information.

Sizes and pipe connections

DN50, 80 and 100

Standard flange: EN 1092-1 PN16

Temperature ranges

There is a choice of five sensor types: A, B, C, D or E.

In each range the first temperature shown is that at which the valve

starts to open to port Z.

The second temperature shown is that at which

completed its travel and the valve is fully open

port X is closed.

TI-P041-02

CH Issue 4

367 4 85

Type 58

Temperature Control Valve

1921

Z

10

14

16

BS 2874 CZ 121

18

BS 2874 CZ 121

BS 1452 Gr 14

UNF x 35 mm

BS 1768/1

BS 2693/R

Range A

Range B

Range C

Range D

Range E

Limiting conditions

6.9 bar.

Capacities

See TI-P041-01.

57°C to 68°C

63°C to 74°C

74°C to 85°C

12

82°C to 93°C

40°C to 52°C

9

the piston has

to port Z and

X

11

13

15

17

Materials

No. Part

1

Adjustment nut

2

Adjustment lock-nut

3

Cover

4

Cover studs

and nuts

5

Body

6

Overload spring

7

Cover sealing ring

8

Piston

9

Stem

10 Main return spring

11 Piston sealing ring

12 Sensor tube lock-nut

13 Fail-safe tube

14 Sensor tube

15 Spring plate

16 Hexagon plug

17 Retaining spring

18 Sensor

19 Rod sealing ring

Material

Brass

Brass

Cast iron

Steel 8"

Cast iron

O

DN50 and 80

Stainless

Synthetic

Gunmetal

Brass

Stainless steel

PTFE and synthetic rubber

Brass

BS 2874 CZ 126

Brass

Brass EN 12451 CW707R H130/170

steel

rubber nitrile

BS 1452 Gr. 14

BS 2056 302 S26

BS 1400 LG2

BS 2874 CZ 122

BS 2056 302 S26

Brass

Brass

Stainless steel

Copper and phosphor bronze

Rubber nitrile

BS 2870 CZ 108

BS 2874 CZ 121

BS 2056 302 S26

Note: The DN100 uses two piston assemblies in parallel.

DN100

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.

© Copyright 2003