wT 2575/11
Page
9
DESIGNATION OF PARTS AND MATERIALS
Materials
Pos. Parts of the standard version
m.c. VIII
m.c. Xc
1
Body
1.0619 (WCB) *
1.4408 (CF8M) **
2
Flange end piece
1.0619 (WCB) *
1.4408 (CF8M) **
3
Operating stem
1.4104
1.4571
4
Ball 1.4401(316)****
5
Sealing element ***
Xc - KFC
6
Sealing ring ***
KFC
7
Stopper 1.4301
8
Fem. support ring
1.4404
9
Labyrinth stuffing box*
K – Flon / 4401 / Graphite
10
Slip ring
KFC-25
11
Antistatic disc
1.4401
12
Loading ring
1.4404 plasma-nitrated
13
Hand lever
1.4006/Vinyl blue
14
Hexagon screw
8.8-A2L
A4-70
15
Hexagon nut
8-A2L
A4
16
Stuffing box nut
1.4404
17
Belleville washer
1.4310
18
Washer A4
19
Hexagon screw
A4-70
20
Supporting ring
Sint D10/Sint C39
1.4404 (316L)
21
Secondary body sealing
Graphite
22
Socket head screw
A4-70
23
Hexagon nut
A4
19
18
7
16
12
17
8
11
9
13
22
23
14 1 10 3
6 4
20
5
21
15
2
* Zn/Fe phosphated
** pickled
*** Standard design
**** beginning with DN65: 1.4408
(CF8M)