Samson 3730-2 Mounting And Operating Instructions page 52

Electropneumatic positioner
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Attachment to the control valve – Mounting parts and accessories
Table 3: Attachment to NAMUR ribs or control valves with rod-type yokes (20 to 35 mm rod diameter)
according to IEC 60534-6 (Fig. 5 and Fig. 9)
Travel in mm Lever
For actuator
7.5
S
Type 3271-5 with 60/120 cm² on Type 3510 Micro-flow Valve (Fig. 9)
Actuators from other manufacturers and Type 3271 with 120 to 750 cm² effective
5 to 50
M
1)
areas
14 to 100
L
Actuators from other manufacturers and Type 3271 with 1000 and 1400-60 cm²
Actuators from other manufacturers and Type 3271 with 1400-120 and 2800 cm²
40 to 200
XL
and with 120 mm travel
Type 3271 with 1400-120 and 2800 cm² 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
Connecting plate (6)
Pressure gauge bracket (7)
Accessories
Pressure gauge mounting kit up to max. 6 bar (output/supply)
M lever is mounted on basic device (included in the scope of delivery)
1)
In conjunction with Type 3273 Side-mounted Handwheel with 120 mm rated travel, additionally one bracket
2)
(0300-1162) and two countersunk screws (8330-0919) are required.
Table 4: Attachment according to VDI/VDE 3847 (Fig. 6 and Fig. 8)
Electropneumatic positioners with VDI/VDE 3847 interface (Type 3730-2xxx0xxxx0x0070xx)
Interface adapter
Mounting kit for attachment to SAMSON Type 3277 Actuator with 175 to 750 cm²
Mounting kit for attachment to SAMSON Type 3271 Actuator or non-SAMSON
actuators
Mounting
parts
Connecting plate, including connection for air
purging of actuator spring chamber
Travel pick-off for valve travel up to 100 mm
Travel pick-off for 100 to 200 mm valve travel (SAMSON Type 3271 Actuator only)
52
2)
¼
 NPT
¼
¼
 NPT
¼
Stainless steel/brass
Stainless steel/
stainless steel
ISO 228/1-G¼
Aluminum
¼-18 NPT
ISO 228/1-G¼
Stainless
steel
¼-18 NPT
Order no.
1402-0478
1400-7454
1400-7455
1400-7456
1400-7466
1400-6771
1400-9554
1400-7461
1400-7462
1400-7458
1400-7459
1400-6950
1400-6951
Order no.
1402-0257
1402-0868
1402-0869
1402-0268
1402-0269
1402-0270
1402-0271
1402-0177
1402-0178
EB 8384-2 EN

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