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Bellows Sealed Stop Valves

Overview

The BSA3HP is a high quality, zero emission bellows sealed stop valve in carbon steel for pressure ratings up to PN100 and ASME Class 600. The valve has been engineered to allow fast, easy maintenance to ensure minimal process down-time.

The 'clamp-in-place' design of the internal seat allows the seat to be replaced without special tools and without having to remove the valve from the line.

Technical Illustration

BSA3HP Bellows Sealed High Pressure Stop Valve

A carbon steel bodied, high pressure in-line nonthrottling stop valve with multi-ply bellows. Balanced and unbalanced options are available. These valves are rated to EN 1092 PN100 or ASME class 600 for use with both saturated and superheated steam applications and a range of other industrial gases and fluids.

Technical Information

Range and options

Size and pipe connection

DN15, DN20, DN25, DN32, DN40, DN50, DN65, DN80 and DN100.
Flanged EN 1092 PN100 and ½", ¾", 1", 1¼", 1½", 2", 2½", 3" and 4".
Flanged ASME class 600

Pressure / temperature limits (ISO 6552)

 A - B - C PN100

  Body design condition PN100 
PMA Maximum allowable pressure  100 bar g @ 50 °C
TMA Maximum allowable temperature 400 °C @ 59.5 bar g
Minimum allowable temperature
PMO Maximum operating pressure for saturated steam service 70.5 bar g @ 287.3 °C
TMO Maximum operating temperature 400 °C @ 59.5 bar g
Minimum operating temperature -10 °C
Designed for a maximum cold hydraulic test pressure of: 150 bar g

 A - D - E Class 600

  Body design condition Class 600
PMA Maximum allowable pressure 102.1 bar g @ 38 °C  1 481psi g @ 100 °F
TMA Maximum allowable temperature 425 °C @ 57.5 bar g 797 °F @ 834 psi g
Minimum allowable temperature -29 °C -20 °F
PMO Maximum operating pressure for saturated steam service 79.8 bar g @ 295.8 °C 1 156 psi g @ 564.4 °F
TMO Maximum operating temperature 425 °C @ 57.5 bar g 797 °F @ 834 psi g
Minimum operating temperature -29 °C -20 °F
Designed for a maximum cold hydraulic test pressure of: 154 bar g 2 233 psi g

Typical Installation

A typical in-line desuperheater installation. A typical desuperheater installation will require isolation valves for both the steam and cooling water pipelines. The BSA3HP is the ideal solution for use on ASME Class 600 rated desuperheater packages.

Technical Documentation

PDFs.Title

BSA3HP Bellows Sealed High Pressure Stop Valve

language

English

reference number

TI-P184-15

Download

Download PDF

Installation Documentation

PDFs.Title

BSA3HP Bellows Sealed High Pressure Stop Valve

language

English

reference number

IM-P184-17

Download

Download PDF

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