Pneumatic diaphragm actuators - Ö - opening actuator - type 1200.1201 A




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


Pneumatic diaphragm actuators - Ö - opening actuator - type 1200.1201 A
construction - Ö
Fig. 1201 A
zoom in

Construction:
opening function (-Ö) =    air-to-open, 
fail safe to close

with or without manual adjustment.

Materials:
housing parts and diaphragm plate in al-alloy
spring pressure screw, stem and stem passage in Cr-Ni-Stahl;
mounting bracket in GG 25 (U0 a. UI),
mounting bracket in GGG 40 (UIII a. 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.

typeU0UIUIIIUV
stroke2020303045606075100
ØD230270270392392392530530530
diaphragm surface area cm²210320320720720720144014401440
M inside10101414141420 x 1,5
Ød485656565656727272
H₁438495510722722752102610261026
HV110135135197197197295295295
Øc180225225320320320400400400
G¼"¼"¼"½"½"½"½"½"½"
weight appr. kg
without HV		7,414,114,63336,239,379,58687
weight appr. kg
with HV		916,917,442,345,548,699,5106107
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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