Product Handbook 2026 - Volume 2

Pipeline ancillaries Bellows sealed stop valves

10

Materials for BSA6-BD

10

15

9

6 7,8

1

2

9

5

4

3

13

12 11

14

No.

Part

Material

Stainless steel Dual approved Stainless steel Dual approved

1

Body

EN 10213 1.4408/ASTM A351 CF8M

2

Bonnet

EN 10213 1.4408/ASTM A351 CF8M

3 4 5 6 7 8 9

Seat

Stainless steel

ASTM A182 F316L, with Stelllte

Main Disc

Stainless steel

ASTM A182 F316L, with Stelllte

Bellows

Stainless steel

DIN 17440 1.4571

Stem

Martensitic

ANSl 420

10.1 27

Bonnet nuts

Stainless steel

A4-70

Bonnet studs

Stainless steel

A4-70

Body/bonnet gasket

Graphite laminated with stainless steel insert

10

Handwheel

Pressed steel

BS 1449 CR4

11

strap

Stainless steel

ASTM A276 304

12 13 14 15

Locking screw

Stainless steel

Balance plug

Stainless steel

ASTM A182 316L/316, with Stellite

Locking washer

Stainless steel

ASTM A276 304

Stem packing

Graphite

TI-P184-18 CMGT Issue 5

Page 3 of 7

BSA3-BD and BSA6-BD Bellows Sealed Stop Valves

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