Product Handbook 2026 - Volume 1

Boiler house Steam injectors

2

Electric or pneumatic control system examples Injector type IN15 IN25

IN40M

Number off

1

2

1

1

2

3

KE71/KE73 DN15 (½")

KE71/KE73 DN15 (½")

KE71/KE73 DN15 (½")

KE71/KE73 DN25 (1")

KE71/KE73 DN32 (1¼")

KE71/KE73 DN50 (2")

Valve type/ size

Valve Kv

1.6

4

4

10

16

36

Steam supply pressure bar g (psi g)

System saturated steam capacity kg/h

2 (29) 4 (58) 6 (87)

47 (104) 78 (172) 109 (240) 142 (313) 171 (377) 201 (443) 218 (481)

96 (212) 168 (370) 240 (529) 312 (688) 384 (847)

110 (243) 200 (441) 280 (617) 360 (794) 450 (992)

350 (772)

580

1150 (2540) 1750 (3858) 2525 (5567)

550 (1213) 750 (1653) 1000 (2205) 1200 (2646)

1100 (2425) 1400 (3086) 1750 (3858) 2075 (4575)

2.2 5

8 (116) 10 (145) 12 (174) 13 (189)

*

*

456 (1005) 492 (1085)

650 (1433) 750 (1653)

1650 (3638)

*

*

1750 (3858)

*

*

The information given in the tables is empirical and must not be used for critical applications. Use PN5123 or EL5601 actuator, EP5 positioner (PN), SX65 controller (available with mA output for PN actuator, or VMD output for EL actuator), EL2270 sensor or pocket, and MP2 regulator.

* Consult your local Spirax Sarco sales engineer for information.

TI-P401-05 EMM Issue 13

Page 5 of 5

IN15, IN25M and IN40M Steam Injectors

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