Product Handbook 2026 - Volume 2

Pipeline ancillaries Bellows sealed stop valves

10

Materials for BSA3-BD

10

10

15

15

9

6 7,8

6

5

7,8

1

2

1 9

2

9

5

4

9 4

3

3

13

12 11

13

12 11

14

14

DN300 to DN400

DN200 and DN250

No.

Part

Material

1 2 3 4 5 6 7 8

Body

Cast steel

1.0619+N

Bonnet

Cast steel

1.0619+N

Seat

A105 and Stellite

Disc

Stainless steel

DIN 17440 X30 Cr13 and Stellite

Bellows

Stainless steel

DIN 17440 X6 Cr Ni Ti 1810

Stem

Stainless steel

AISI 420

Bonnet nut

Steel

ASTM A194 2H

10.1 26

Bonnet stud

Steel

ASTM A193 B7

9

Body/bonnet gasket

Graphite laminated with stainless steel insert

Carbon steel

DN200 and DN250

10

Handwheel

Cast iron

DN300 to DN400

11

Strap

Stainless steel

ASTM A276 304

12 13 14 15

Self locking nut

Stainless steel

Balance plug

Stainless steel

DIN 17440 x 30 Cr13 and Stellite

Locking washer

Stainless steel

ASTM A276 304

Stem packing

Graphite

TI-P184-18 CMGT Issue 5

Page 2 of 7

BSA3-BD and BSA6-BD Bellows Sealed Stop Valves

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