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Bellows Sealed Stop Valves

Overview

Our bellows sealed isolation valves are engineered to maintain plant safety and save energy by totally eliminating stem seal leaks. Zero emissions are guaranteed which ensures our BSA valves meet the most stringent worldwide emissions legislation.

The BSA_T offers a throttling plug as opposed to the standard flat disc. The throttling plug allows manual regulation to adjust line pressure and flow, making this a flexible and user-friendly isolation solution. It can also be used as a basic control valve or a substitute for ‘bypass’ lines. The throttling plug version also benefits from having twin ply bellows which will extend the product's service life.

Those valves fitted with a throttling plug have a locking screw as standard, enabling the user to lock the valve in the throttling position.

Technical Illustration

BSAT and BSA Bellows Sealed Stop Valves

A range of sealed, in-line stop valves having twin ply bellows as standard throughout the range. These valves have been designed for use on steam, gas, liquid, condensate and water systems.

The standard BSAT range comes complete with throttling plug and locking device.

The alternative BSA range has a flat disc.

Technical Information

Range and Options: Standard BSAT range - complete with throttling plug and locking device

Material

Model and Connections

sizes

Optional R-PTFE soft seat

DN15

DN20

DN25

DN32

DN40

DN50

DN65

DN80

DN100

DN125

DN150

DN200

DN250

DN15

DN20

DN25

DN32

DN40

DN50

DN65

DN80

DN100

Cast iron

BSA1T

PN16

 

KS 10

 

SG iron

BSA2T

PN16

 

PN25

Cast steel

BSA3T

PN25

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PN40

 

 

 

 

ASME 150

 

 

 

 

 

 

 

 

ASME 300

 

 

 

 

 

 

 

 

KS 20

 

 

 

 

 

 

Stainless steel

BSA6T

PN40

 

 

 

 

Stainless steel/cast steel

BSA64T

PN40

 

 

 

 

 

Range and Options: Alternative BSA range – complete with flat disc option

Material

Model and Connections

sizes

Optional balancing disc

DN125

DN150

DN200

DN250

DN125

DN150

DN200

DN250

Cast iron

BSA1

PN16

 

 

 

 

KS10

 

 

 

 

SG iron

BSA2

PN16

 

 

 

 

PN25

Cast steel

BSA3

PN25

 

 

 

 

 

 

PN40

 

 

 

 

ASME 150

 

 

 

 

 

 

 

 

ASME 300

 

 

 

 

 

KS 20

 

 

 

 

Stainless steel

 

 

Stainless steel/cast steel

 

 

Typical Installation

Typical application for a bellows sealed valve. BSA valves are suitable for use across many industries including oil and petrochemicals, food and beverage, pulp and paper and pharmaceutical.

Teknisk information

Document

BSAT and BSA Bellows Sealed Stop Valves

language

English

reference number

TI-P137-18

Download

Download PDF

Vejledning til installation og vedligeholdelse

Document language reference number download
BSA and BSAT Bellows Sealed Stop Valves English IM-P137-02 Download PDF
BSA6T and BSA64T Stainless Steel Bellows Sealed Stop Valves English IM-P184-03 Download PDF

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