Richter KSEA/F Series Safety Valves - Manual (Page 11)

Series KSEA/F
Page 11
9530-052-en Revision 03
TM 7128 Edition 05/2008
DN 4"/6"
Fig. 8
Design signal transmitter for blocking screw
Fig. 9
Legend see Section 10.1.
6.10 Design for highly permeating
media (Option)
The stem 802, insert sleeve 308, parallel pin 561/1,
thrust ring 405, bearing guide 305 and adjusting screw
538 are made of HC-4.
In addition, with the sizes 3"/4" and 4"/6" the adjusting
screw 538 has a guide bush 307/2 made of PTFE.
See Fig. 10.
Fig.10
With size 4"/6" the bellows guide 860 made of PTFE
protects the stem guide 306. See Fig. 11. With the
other sizes the stem guide is made of HC-4.
Legend see Section 10.1. Fig. 11
6.11 Shortened or no lifting lever
(Option)
In order to exclude unauthorised activation,
the lifting lever 238 can be shortened; a lever is
supplied loose. See Fig. 12.
the valve can be without a lifting lever; the locking
plate 539 is not bored. See Fig. 13.
Fig. 12 Fig. 13
Legend see Section 10.1
6.12 Travel stop (Option)
Fig. 14
Legend see Section 10.1.