Spirax Sarco BSA3-BD Installation And Maintenance Instructions Manual

Bellows sealed stop valves

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1846350/4

IM-P184-19

CTLS Issue 4

BSA3-BD and BSA6-BD

Bellows Sealed Stop Valves

Installation and Maintenance Instructions

1. Safety information

2. General product information

3. Installation

4. Commissioning

5. Operation

6. Maintenance and spare parts

DN300 shown

BSA3-BD and BSA6-BD Bellows Sealed Stop Valves

IM-P184-19 CTLS Issue 4

Printed in GB

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Summary of Contents for Spirax Sarco BSA3-BD

Page 1 Installation and Maintenance Instructions 1. Safety information 2. General product information 3. Installation 4. Commissioning 5. Operation 6. Maintenance and spare parts DN300 shown BSA3-BD and BSA6-BD Bellows Sealed Stop Valves © Copyright 2023 IM-P184-19 CTLS Issue 4 Printed in GB...
Page 2 BSA3-BD and BSA6-BD Bellows Sealed Stop Valves IM-P184-19 CTLS Issue 4...
Page 3 PN16 DN250 - DN300 DN350 - DN400 DN200 BSA3-BD PN25 DN250 DN300 - DN400 DN200 PN40 DN250 DN300 - DN400 DN125 DN150 - DN200 BSA6-DB DN125 DN150 - DN200 BSA3-BD and BSA6-BD Bellows Sealed Stop Valves IM-P184-19 CTLS Issue 4...
Page 4 Spirax Sarco will not be held responsible for any unapproved modification or consequential liability resulting in failure to observe these requirements.
Page 5 Care must be taken when opening and closing the handwheel to prevent any possible injury to the hands from the locking screw. BSA3-BD and BSA6-BD Bellows Sealed Stop Valves IM-P184-19 CTLS Issue 4...
Page 6 Customers and stockists are reminded that under EC Health, Safety and Environment Law, when returning products to Spirax Sarco they must provide information on any hazards and the precautions to be taken due to contamination residues or mechanical damage which may present a health, safety or environmental risk.
Page 7 The BSA3-BD and BSA6-BD are fitted with a flat, balanced pressure plug as standard. 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.
Page 8 PMA or TMA of the Steam saturation relative end connection. curve A - B - B PN40 A - C - C PN25 Pressure bar g A - D - D PN16 BSA3-BD and BSA6-BD Bellows Sealed Stop Valves IM-P184-19 CTLS Issue 4...
Page 9 Minimum operating temperature -10 °C Minimum operating pressure 0 bar g Maximum differential pressure is limited to the PMO Designed for a maximum cold hydraulic test pressure of: 24 bar g BSA3-BD and BSA6-BD Bellows Sealed Stop Valves IM-P184-19 CTLS Issue 4...
Page 10 PMA or TMA of the relative Steam saturation curve end connection. A - B - B PN25 Pressure bar g A - C - C PN16 BSA3-BD and BSA6-BD Bellows Sealed Stop Valves IM-P184-19 CTLS Issue 4...
Page 11 Minimum operating temperature -10 °C Minimum operating pressure 0 bar g Maximum differential pressure is limited to the PMO Designed for a maximum cold hydraulic test pressure of: 24 bar g BSA3-BD and BSA6-BD Bellows Sealed Stop Valves IM-P184-19 CTLS Issue 4...
Page 12 Disc to seat shut-off conforms to EN 12266-1 Rate A leakage. 2.6 Kv values Please note that the Kv values for a valve supplied without a balanced disc are shown for comparison purposes only. All BSA3-BD and BSA6-BD valves will be supplied with a balanced disc. BSA3-BD DN200 DN250...
Page 13 4. Commissioning After installation or maintenance ensure that the system is fully functioning. Carry out tests on any alarms or protective devices. BSA3-BD and BSA6-BD Bellows Sealed Stop Valves IM-P184-19 CTLS Issue 4...
Page 14 (+) or (-) on the bonnet support pillars. (+ = fully open/- = fully closed). If valve 'keys' are used care must be taken not to use excessive force when opening or closing the valve. BSA3-BD and BSA6-BD Bellows Sealed Stop Valves IM-P184-19 CTLS Issue 4...
Page 15 Correct installation Correct installation Correct installation Incorrect installation Fig. 4 BSA3-BD and BSA6-BD Bellows Sealed Stop Valves IM-P184-19 CTLS Issue 4...
Page 16 Always order spares by using the description given in 'Available spares' and state the size and type of stop valve. Example: 1 - Body/bonnet gasket and stem packing for a DN200 Spirax Sarco BSA3-BD PN40 bellows sealed stop valve. 6.2 Maintenance Before undertaking any maintenance on the valve, ensure that any pressure is isolated and safely vented to atmospheric pressure.
Page 17 7, 8 7, 8 Fig. 5 DN125 and DN250 Fig. 6 DN300 to DN400 BSA3-BD and BSA6-BD Bellows Sealed Stop Valves IM-P184-19 CTLS Issue 4...
Page 18 Carefully slide the new packing ring down the stem into the cavity and slide the original gland washer on top of the packing ring (15). Remember to tighten the gland packing ring after the valve has been fully assembled. BSA3-BD and BSA6-BD Bellows Sealed Stop Valves IM-P184-19 CTLS Issue 4...
Page 19 7, 8 7, 8 Fig. 7 DN125 and DN250 Fig. 8 DN300 to DN400 BSA3-BD and BSA6-BD Bellows Sealed Stop Valves IM-P184-19 CTLS Issue 4...
Page 20 490 - 500 N m Item 7 and 8 Bonnet bolts and nuts DN125 250 - 260 N m BSA6-BD DN150 330 - 340 N m DN200 490 - 500 N m BSA3-BD and BSA6-BD Bellows Sealed Stop Valves IM-P184-19 CTLS Issue 4...
Page 21 7, 8 7, 8 Fig. 9 DN125 and DN250 Fig. 10 DN300 to DN400 BSA3-BD and BSA6-BD Bellows Sealed Stop Valves IM-P184-19 CTLS Issue 4...
Page 22 BSA3-BD and BSA6-BD Bellows Sealed Stop Valves IM-P184-19 CTLS Issue 4...
Page 23 BSA3-BD and BSA6-BD Bellows Sealed Stop Valves IM-P184-19 CTLS Issue 4...
Page 24 BSA3-BD and BSA6-BD Bellows Sealed Stop Valves IM-P184-19 CTLS Issue 4...

This manual is also suitable for:

Bsa6-bd