5.5.77

20

Spare parts

The spare parts available are shown in solid outline. Parts drawn in a grey line are not supplied as spares.

Available spares

Main valve assembly with float (DN15, DN20, and DN25)

Main valve assembly (DN40 and DN50)

Ball float (DN40 and DN50)

Air vent assembly

Bimetallic air vent assembly

Capsule air vent assembly

Steam lock release and capsule air vent assembly (FT46-C)

Complete set of gaskets (packet of 3 sets)

Note: Item 12 (Erosion deflector) is only used in DN40 and DN50.

How to order spares

5, 6, 7, 8, 9, 10, 11

5, 6, 7, 12, 26

8

17, 18

17, 18, 19, 20, 21

3, 6, 18, 20, 21

Steam traps

Ball float

Always order spares by using the description given in the column headed 'Available spares' and state the size and type of trap, including

pressure range.

Example: 1 - Capsule air vent assembly for a Spirax Sarco DN20 FT46-4.5 ball float steam trap.

Steam lock

release assembly

Capsule air vent assembly

17

19+21

2

Dowel

3

18

Bimetallic air vent assembly

17

2

Item Size

DN15, 20 and 25

2

DN40

DN50

5

DN15, 20 and 25

or

mm

M10 x 60

M16 x 85

M16 x 85

Nm

19 - 22

60 - 66

80 - 88

50 - 55

Item Size

DN15, 20 and 25

7

DN40

DN50

or

mm

Nm

2.5 - 2.8

10 - 12

20 - 24

50 - 55

50 - 55

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TI-P143-01 ST Issue 11

17 A/F

19 A/F

24 A/F

17 A/F

10 A/F

13 A/F

17 A/F

22 A/F

M5 x 20

M6 x 20

M8 x 20

5116910

7

8

Main valve assembly with float

(DN15, DN20 and DN25)

1

2

26

6

5

8

7

Recommended tightening torques

FT46 Stainless Steel Ball Float Steam Traps (DN15 to DN50)

17

19

Main valve assembly

(DN40 and DN50)