Pneumatic diaphragm actuators - S - closing actuator - type 1200.1201

Range of application:
Remote control of hose diaphragm valves for switching tasks and controlling purposes.

Pneumatic diaphragm actuators - closing actuator - type 1200.1201

construction - S
Fig. 1201

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Construction:
closing function (-S) = air-to-close,
fail safe to open

with or without manual adjustment

Materials:
housing parts and diaphragm plate in al-alloy
spring pressure screw, stem and stem passage
in Cr-Ni-steel;
mounting bracket in GG 25 (U0 u. UI),
mounting bracket in GGG 40 (UIII u. UV);
diaphragm in Perbunan with fabric reinforcement.

Control pressure:
1,4 – max. 6 bar
(depending on the spring force).


	Special constructions: mounting of: pneumatic positioner acc. to Namur, input signal 0,2 – 1 bar; (also other models). electro-pneumatic positioner acc. to Namur, input signal 0/4 – 20 mA; (also other models). electrical limit switches, control valves and pressure regulators.

type	U0	UI		UIII			UV
stroke	20	20	30	30	45	60	60	75	100
ØD	230	270	270	392	392	392	530	530	530
diaphragm surface area cm²	210	320	320	720	720	720	1440	1440	1440
M inside	10	10	14	14	14	14	20 x 1,5
Ød	48	56	56	56	56	56	72	72	72
H₁	438	495	510	722	722	752	1026	1026	1026
HV	110	135	135	197	197	197	295	295	295
Øc	180	225	225	320	320	320	400	400	400
G	¼"	¼"	¼"	½"	½"	½"	½"	½"	½"
weight appr. kg without HV	7,4	14,1	14,6	33	36,2	39,3	79,5	86	87
weight appr. kg with HV	9	16,9	17,4	42,3	45,5	48,6	99,5	106	107
dimensions in mm operating manual and spare parts list according to type sheet 1200.1201 E

Please quote the min. and max. control pressure and the
control media in inquiries and orders.

We reserve the right to alter technical data.

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