Additional Fittings - Samson 3275 Mounting And Operating Instructions

Mounting and start-up

5.2 Additional fittings

Valve accessories
Valve accessories are either mounted on the
yoke (314 and 490 cm²) or over the
NAMUR interface (804 cm² only).
Refer to the mounting and operating instruc-
tions of the valve accessories to be mounted
for more details on their attachment and the
accessories required.
Auxiliary spring
The actuator can be fitted with an auxiliary
spring to move the actuator to a defined end
position in the depressurized state (e.g. upon
supply air failure).
20 EB 8314 EN