Steam traps

Ball float

5.5.83

or

mm

17 A/F M10 x 60

19 A/F M16 x 85

24 A/F M16 x 85

17 A/F

M5 x 20

10 A/F M6 x 20

13 A/F M8 x 20

17 A/F

22 A/F

Spare parts

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

Available spares

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

Main valve assembly with integral erosion deflector (DN40 and 50) ** (specify horizontal or vertical trap)

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

Ball float (DN40 and 50)

Air vent assembly

Steam lock release and air vent assembly (FT47-C)

Complete set of gaskets (packet of 3 sets)

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

5, 6, 7, 12, 26

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

8

17, 18

17, 18, 19, 20, 21

3, 6, 18, 20, 21

* On horizontal traps the erosion deflector on the DN15, DN20 and DN25 is pressed into the body during manufacture and not available

as a spare.

** There is no erosion deflector on vertical traps in sizes DN40 and DN50.

How to order spares

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 and orientation i.e.: horizontal or vertical connections.

Example: 1 - Air vent assembly for a Spirax Sarco DN20 FT47-21 ball float steam trap, with horizontal connections.

Steam lock

release assembly

19

20

2

Dowel

3

18

Air vent assembly

17

2

6

11

5

9

10

7

8

Main valve assembly with float

(DN15, DN20 and DN25)

Recommended tightening torques

12 6 26

5 7

8

Item

2

5

7

17

19

Part

DN15, 20 and 25

DN40

DN50

DN15, 20 and 25

DN15, 20 and 25

DN40

DN50

Nm

19 - 22

60 - 66

80 - 88

50 - 55

2.5 - 2.8

10 - 12

20 - 24

50 - 55

50 - 55

Main valve assembly

(DN40 and DN50)

(horizontal assembly

shown)

Page 6 of 6

TI-P142-01 ST Issue 12

FT47 SG Iron Ball Float Steam Traps (DN15 to DN50)