Datasheet

2012
p. 9/20
Attention!
Valves with fl ow direction above the seat are only conditionally usable for liquid media.
Waterhammer will occur! For fl ange and threaded port connections pilot pressures, please refer to Charts on page 8.
Control function Orifi ce [mm] Connection Actuator size Ø [mm] Kv value water [m
3
/h]
Minimum pilot pressure [bar] Operating pressure up to +180 °C [bar] Item no. PA actuator Item no. PPS actuator
A
2/2-way valve, NC
by spring action
10 Flange 40 4.7
see charts
page 8
16 146 427 –
Flange 50 4.7 16 146 432 146 492
15 Flange 40 4.7 16 146 437 –
50 4.7 16 146 443 146 496
20 Flange 40 8.1 16 146 448 –
50 8.1 16 146 454 146 500
25 Flange 50 13.0 16 146 460 146 504
32 Flange 63 19.5 16 146 465 146 508
40 Flange 80 31.0 16 146 476 146 512
50 Flange 80 45.0 16 146 487 146 516
65 Flange 125 73.0 10 152 842 –
80 Flange 125 110.0 10 152 851 –
100 Flange 125 165.0 6 152 860 –
Control function Orifi ce [mm] Connection Actuator size Ø [mm] Kv value water [m
3
/h]
Minimum pilot pressure [bar] Operating pressure up to + 180 °C [bar] Item no. PA actuator Item no. PPS actuator
A
2/2-way valve, NC
by spring action
10 G 3/8 40 4.7
see charts
page 8
16 146 428 –
50 4.7 16 146 433 146 493
15 G 1/2 40 4.7 16 146 438 –
50 4.7 16 146 444 146 497
20 G 3/4 40 8.1 16 146 449 –
50 8.1 16 146 455 146 501
25 G 1 50 13.0 16 146 461 146 505
32 G 1/4 63 19.5 16 146 466 146 509
40 G 1 1/2 80 31.0 16 146 477 146 513
50 G 2 80 45.0 16 146 488 146 517
65 G 2 1/2 125 65.0 10 152 844 –
Valves with stainless steel body and flange connection according to DIN EN 1092-1, flow above seat
Valves with stainless steel body and threaded port connection, flow above seat
➔
Ordering chart valves with flow direction above the seat (other versions on request)
&URTHERôVERSIONSôONôREQUEST
I
Port connections
Flange acc. to ANSI, JIS
Threaded port NPT, Rc
Clamp
Control function
I (double-acting actuator) and B (spring-return normally-open)
Approvals
GL, EC Gas Appliances Directive (previously DVGW), SIL
Mediums temperature
Valves for mediums temperature up to +200ºC or down to -40ºC