Data Sheet

2012
p. 9/18
Attention!
Valves with flow direction above the seat are only conditionally usable for liquid media.
Waterhammer will occur! For flange and threaded port connections pilot pressures, please refer to Charts on page 8.
Control
function
Orifice
[mm]
Connection
Actuator
size Ø
[mm]
K
V
value
water
[m
3
/h]
Minimum
pilot pressure
[bar]
Operating
pressure up
to + 180 °C
[bar]
Article no.
PA actuator
Article no.
PPS actuator
A
Pneumatically
operated on / off
valve, normally
closed by spring
force, flow direc-
tion above seat
10 Flange 40 4.7
see charts
page 8
16
146427

–
Flange 50 4.7 16
146432

146492

15 Flange 40 4.7 16
146437

–
50 4.7 16
146443

146496

20 Flange 40 8.1 16
146448

–
50 8.1 16
146454

146500

25 Flange 50 13.0 16
146460

146504

32 Flange 63 19.5 16
146465

146508

40 Flange 80 31.0 16
146476

146512

50 Flange 80 45.0 16
146487

146516

65 Flange 125 73.0 10
152842

–
80 Flange 125 110.0 10
152851

–
100 Flange 125 165.0 6
152860

–
Control
function
Orifice
[mm]
Connection
Actuator
size Ø
[mm]
K
V
value
water
[m
3
/h]
Minimum
pilot pressure
[bar]
Operating
pressure up
to + 180 °C
[bar]
Article no.
PA actuator
Article no.
PPS actuator
A
Pneumatically
operated on / off
valve, normally
closed by spring
force, flow direc-
tion above seat
10 G ⅜ 40 4.7
see charts
page 8
16
146428

–
50 4.7 16
146433

146493

15 G ½ 40 4.7 16
146438

–
50 4.7 16
146444

146497

20 G ¾ 40 8.1 16
146449

–
50 8.1 16
146455

146501

25 G 1 50 13.0 16
146461

146505

32 G ¼ 63 19.5 16
146466

146509

40 G 1 ½ 80 31.0 16
146477

146513

50 G 2 80 45.0 16
146488

146517

65 G 2 ½ 125 65.0 10
152844

–
2 (A)
1 (P)
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)
Further versions on request
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 + 200 °C or down to - 40 °C
➔
2 (A)
1 (P)