Steam traps

Thermodynamic

Capacities

2 500

2 000

1 000

500

400

300

200

100

70

0.25

0.5

1

2 345

10

203042

Differential pressure bar (x 100 = kPa)

When sizing the TD42S2 it is important to ensure that the correct

model is selected. This will ensure the required operation and

maximum life. For mains drainage and tracing applications

the LC version should be selected irrespective of pipe size.

Dimensions/weights (approximate) in mm and kg

Size

A

B

C

D

E

F

G

H Weight

Spare parts

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

in broken line are not supplied as spares.

1"

3⁄4"

1⁄2"

1⁄2"LC, 3⁄4"LC, 1 "LC

Available spares

Disc

Strainer screen and gasket

Strainer cap gasket

Insulating cover

How to order spares

(packet of 3)

(packet of 3)

3

4, 6

6

7

Always order spares by using the description given in the column

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

Example: 1 off Strainer screen and gasket for a Spirax Sarco

1⁄2" TD42S2 thermodynamic steam trap.

7

1⁄2"

1⁄2" LC

3⁄4"

3⁄4" LC

1"

1"LC

E

Withdrawal

distance

for cap

A

C

4

1

7

6

4

6

7

1

20

40

76

46

71

20

4

7

7

8

4

7

7

2

20

44

78

47

72

20

5

3

9

2

5

2

7

7

25

48

92

52

77

20

57

57

38

0.80

57

57

38

0.75

63

57

38

1.00

57

57

38

1.00

63

70

38

1.50

60

57

38

1.50

H

Withdrawal

distance for

insulating

cover

F

D

Withdrawal

distance for

screen

2

3

B

G

4

6

Safety information, installation and maintenance

For full details see the Installation and Maintenance Instructions

(IM-P068-37) supplied with the product.

Installation note

The TD42S2 should be installed preferably in the horizontal position.

However it can also be installed and operate in other orientations.

Disposal

This product is recyclable. No ecological hazard is anticipated

with the disposal of this product providing due care is

taken.

How to order

Example: 1 off Spirax Sarco 1⁄2" TD42S2LC thermodynamic steam

trap fitted with an insulating cover for outside weather

protection and having socket weld end connections.

5

Recommended tightening torques

Item

1⁄2" LC

3⁄4" LC

2

1" LC

1⁄2"

3⁄4"

1"

or

mm

N m

87 - 97

87 - 97

87 - 97

100 - 110

100 - 110

140 - 160

120 - 135

36 A/F

36 A/F

36 A/F

41 A/F

41 A/F

55 A/F

27 A/F

M24

5 (all sizes)

TD42S2 Thermodynamic Steam Trap

TI-P068-07 ST Issue 9

5.7.20

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