Samson 3374 - Annex; Tightening Torques

EB 3018 EN 15-1
Annex
15 Annex
15.1 Tightening torques
Table 15-1: Tightening torque
Component
Width across
ats
Valve size/actuator area Tightening torque inNm
Hex nut (1.3)
SW36
Type3374 Electric Actuator (DN65
to 100)
100
SW36
Type3374 Electric Actuator
(DN125 to 250)
150
Lock nut (2.2) SW12 All 25
Coupling nuts (11) SW36 All 120
Nuts and bolts (15) – 40 to 640cm² 25
Diaphragm plate nut (17) SW12 40 to 640cm² 40
Control line connection (19) – 40 to 640cm² 22
Stopper (21) – All 25
15.2 Lubricant
SAMSON's After-sales Service can support
you concerning lubricants and sealants ap-
proved by SAMSON.
15.3 Tools
SAMSON's After-sales Service can support
you concerning tools approved by
SAMSON.