No. Part
1 Body
2 Bonnet
3 Seat
Metal
Soft seat
and
Cast iron
EN-GJS-250
and
SG iron
EN-GJS-400-18-LT
4 Disc
Disc
Insert
Stainless steel DIN 17440 X30 Cr13
Stainless steel DIN 17440 X30 Cr13
R-PTFE 25% carbon filled
Stainless steel WS 1.4571 EN10028-7 X6 CrNiMTi 17-12-2
Stainless steel AISI 420
Pressed steel BS 1449 CR4
Graphite
5 Bellows
6 Stem
7 Handwheel
8 Stem packing
Bonnet studs
9 Bonnet nuts
Steel DIN 17420 24 Cr Mo 5
Steel DIN 17420 Ck 35
Graphite laminated with stainless steel insert
Steel M8 x 14 mm BS 3692 Gr. 8.8
Bonnet bolts
10 Body / bonnet gasket
Locking
DN15 - DN80
11 screw DN100 - DN150
DN200 - DN250
Stroke limiter for throttling versions
The handwheel nut on the BSA1T,
BSA2T and BSA3T has a threaded
hole for provision of a stroke limiter.
Customer to supply standard nuts and
bolts as indicated in the table below.
Stroke
limiter
Handwheel
nut
Protection
cap
7
9
2
5
1
Size
DN15 - DN80
DN100 - DN150
DN200 - DN250
Hexagon bolt
M8 x 50 mm
M12 x 75 mm
M12 x 100 mm
11
6
8
10
Page 6 of 10
Steel DIN 931 Gr. 5.6
11
SG iron
EN-GJS-400-18-LT
Cast steel
1.0619+N (GSC 25N)
Steel (DN15 - DN80)
DIN 17243 C 22.8
Cast steel
ASTM A 216 WCB
Forged steel (DN15- DN80)
ASTM A 105
Steel M8 x 20 mm
Steel M12 x 20 mm
BS 3692 Gr. 8.8
BS 3692 Gr. 8.8
3
4
DN150
shown
Optional balancing disc assembly
25 bar ∆P DN125
Used 17 bar ∆P DN150 6"
above 10 bar ∆P DN200 8"
6 bar ∆P DN250 (BSA2 only)
Optional soft sealing disc
Steel (DN100 - DN200) Cast steel (DN100- DN200)
1.0619+N (GSC 25N)
Stainless steel AISI 420
ASTM A 216 WCB
Steel ASTM A 193 B7
Steel ASTM A 192 2 H