Flowserve AKH2.2, Technical Manual

Page: 10 / 19

AKH2.2 - atomac ball valve - full port
Ahaus GmbH
von-Braun-Straße 19a
D-48683 Ahaus
Postfach 1162 D-48661 Ahaus
Telefon: +49(0) 2561-686-100
Fax: +49(0) 2561-686-200
Register:
12
Page: 10
Date:
04.1995
Revision: 06.2020
Technical Manual
(worm gear)
The fully closed, waterproof actuator consists of a body with lid, worm gear, input
shaft and hand wheel. For the correct adjustment of the ball position, there are
two adjustable stops mounted in the body.
The gear is fully greased and does not need any further lubrication.
The actuator with hand wheel is mounted on a bracket with four stainless steel
bolts. The on/off position is indicated through a pointer. The actuator is self-locked.
AKH2.2 - recommended tightening torques*
Gear Operator
tie rods
connection flange
* maximum value
When bolting together dissimilar materials, always tighten to the lowest
recommended torque of the components in the joint. Using higher torques
may cause excessive deformation of the „softer“ material in the joint
DN
(080/090)
Nm lbf · in Nm lbf · in
015
24 212,4 10 88
½“ 25 221,3 8 71
020 24 212,4 18 160
¾“ 25 221,3 11 97
025 26 230,1 25 221
1“ 26 230,1 15 133
032 53 469,1 40 354
040 53 169,1 50 442
1½“ 60 531 26 257
050 79 699,2 65 575
2“ 88 778,8 60 531
065 145 1283,3 90 796
080
83 734,6 55 486
3“ 86 761,1 100 885
100 134 1185,9 65 575
4“ 143 1265,6 76 673
Designation Material
Body Gray Iron
Worm Spheroidal Graphite Cast Iron
Input Shaft AISI 410
Hand Wheel Steel
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