Flowserve D30 Installation, Operation & Maintenance Manual page 11

D30 Digital Positioner FCD PMENIM0030-01-A5 – 05/18
Gauge block
Gauge blocks are available for D30s with ¼" G
or ¼" NPT air connections. To install, ensure
seals are aligned, then use 3 Nm (2.2 lb ft) of
torque when fastening the gauge block to the
positioner using the two screws supplied with
the kit.
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