Pipeline ancillaries Bellows sealed stop valves
10
Materials
7
2
8
3 4 5
10
1
9
6
11
No.
Part
Material
DIN
EN 10213-2 GP240GH
1
Body
Cast steel
ANSI
ASTM A 216 WCB
DIN
EN 10213-2 GP240GH
DN15 - DN80
Cast steel
ANSI
ASTM A 216 WCB
7.1.28
2
Bonnets
DIN
EN 10213-2 GP240 GH
DN100
Cast steel
ANSI
ASTM A 216 WCB
3 4 5 6 7 8
Seats
Stainless steel
AISI 420
Discs
Stainless steel
DIN17440 X30 Cr13
Bellows
Stainless steel
DIN17440 X6CrNiTi 1810
Stems
Stainless steel
AISI 420
Handwheels
BS 1449 CR4
10.1 35
Stem packing
Graphite
DIN
17240 24 Cr Mo 5
9
Bonnet studs
Steel
ANSI
ASTM A 193 B7
DIN
DIN 17240 Ck 35
10
Bonnet nuts
Steel
ANSI
ASTM A 192 2 H
11
Body/bonnet gaskets
Graphite laminated with stainless steel insert
TI-P184-08 CMGT Issue 10
Page 3 of 5
Spirax SafeBloc TM DBB3 Double Block and Bleed Bellows Sealed Stop Valve
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