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
zoom in


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.

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.