Samson 3730 Series Mounting And Operating Instructions page 201

Electropneumatic positioner
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Mounting parts/accessories
Actuator (750 cm²), steel
Actuator (750 cm²), stainless steel
for "actuator stem retracts" fail-safe action
1)
with air purging of the top diaphragm chamber
Table 17-4: Attachment to NAMUR rib or attachment to rod-type yokes
IEC 60534-6
Travel in
Lever For actuator
mm
7.5
S
Type 3271-5 with 60/120 cm² on Type 3510 Micro-flow Valve
Actuators from other manufacturers and Type 3271 with 120 to 750 cm² effective
5 to 50
M
2)
areas
14 to 100
L
Actuators from other manufacturers and Type 3271 with 1000 and 1400-60 cm²
Type 3271, 1400-120 and 2800 cm² versions with 30/60 mm travel
Mounting brackets for Emerson and Masoneilan linear actuators (in addition, a
30 or 60
L
mounting kit according to IEC 60534-6 is required depending on the travel). See
rows above.
Valtek Type 25/50
Actuators from other manufacturers and Type 3271 with 1400-120 and
40 to 200
XL
2800 cm² and with 120 mm travel
Connecting plate
Pressure gauge bracket
Pressure gauge mounting kit up to max. 6 bar
20 to 35 mm rod diameter
1)
M lever is mounted on basic device (included in the scope of delivery)
2)
In conjunction with Type 3273 Side-mounted Handwheel with 120 mm rated travel, additionally one bracket
3)
(0300-1162) and two countersunk screws (8330-0919) are required.
EB 8384-4 EN
G ¼/G 
¼ NPT/
G ¼/G 
¼ NPT/
Accessories
/
3
8
 NPT
3
/
8
3
/
8
 NPT
3
/
8
according to
1)
 3)
G ¼
¼ NPT
G ¼
¼ NPT
Stainless steel/brass
Stainless steel/stainless
steel
Annex B
Order no.
1402-0974
1402-0981
1402-0975
1402-0982
Order no.
1402-0478
1400-7454
1400-7455
1400-7466
1400-6771
1400-9554
1400-7456
Order no.
1400-7461
1400-7462
1400-7458
1400-7459
1402-1637
1402-1638
17-3

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3730-43730-413730-453730-48

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