Product Handbook 2026 - Volume 2

Pipeline ancillaries Bellows sealed stop valves

10

Local regulations may restrict the use of this product to below the conditions quoted. In the interests of development and improvement of the product, we reserve the right to change the specification without notice. © Copyright 2024

TI-P184-18 CMGT Issue 5

BSA3-BD and BSA6-BD Bellows Sealed Stop Valves

Description BSA3-BD and BSA6-BD are in-line stop valves having tri-ply bellows as standard throughout the range. These valves have been designed for use on steam, gas, liquid, thermal oils, condensate and water systems. Both BSA3-BD and BSA6-BD are fitted with a flat, balanced pressure plug as standard. Standards The product fully complies with the requirements of the EU Pressure Equipment Directive/UK Pressure Equipment (Safety) Regulations and carries the mark when so required. Certification The BSA3-BD and BSA6-BD body and bonnet are available with certification to EN 10204 3.1. Note: All certification / inspection requirements must be stated at the time of order placement.

DN200 and DN250

Range and options Standard BSA-BD range - complete with balance disc.

BSA3-BD BSA6-BD PN16 PN25 PN40 PN16 PN25

7.1.20

Model and connections

• • •

• • •

DN125

DN150

• • • • •

• • • • •

• • • • •

DN300 to DN400

DN200

Sizes

DN250

DN300

10.1 25

DN350

DN400

Seat leakage Disc to seat shut-off conforms to EN 12266-1 Rate A leakage.

Kv values All BSA3-BD and BSA6-BD valves will be supplied with a balanced disc. BSA3-BD

BSA6-BD

For conversion: Cv (UK) = Kv x 0.963 Cv (US) = Kv x 1.156

DN200 DN250 DN300 DN350 DN400

DN125

DN150 DN200

593

935

1264

1804

2362

205

295

562

TI-P184-18 CMGT Issue 5

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BSA3-BD and BSA6-BD Bellows Sealed Stop Valves

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