Spirax Sarco BSA3HP Installation And Maintenance Instructions Manual Download Page 15

Page: 15 / 16

IM-P184-17

CMGT Issue 3

How to order

Example:

1 off DN25 Spirax Sarco type BSA3HP bellows sealed high pressure stop valve, flanged ASME 600.

Note:

Should the differential pressure exceed those listed against the respective sizes in the table below,

then please ensure balancing discs are specified for use in the valves (see the illustration opposite).

Size

DN65

DN80

DN100

Differential pressure (bar g)

Summary of Contents for BSA3HP

Page 1: ...eneral product information 3 Installation 4 Commissioning 5 Operation 6 Maintenance 7 Spare parts Copyright 2019 Printed in GB 1847050 3 BSA3HP Bellows Sealed High Pressure Stop Valve Installation and...

Page 2: ...use on other fluids may be possible but if this is contemplated Spirax Sarco should be contacted to confirm the suitability of the product for the application being considered ii Check material suita...

Page 3: ...lise after isolation to avoid the danger of burns 1 9 Tools and consumables Before starting work ensure that you have suitable tools and or consumables available Use only genuine Spirax Sarco replacem...

Page 4: ...d to temperatures below freezing point 1 15 Disposal Unless otherwise stated in the Installation and Maintenance Instructions this product is recyclable and no ecological hazard is anticipated with it...

Page 5: ...e and options Size Unbalanced Balanced PN100 Class 600 PN100 Class 600 DN15 DN50 DN65 DN100 Standards The product fully complies with the requirements of the European Pressure Equipment Directive and...

Page 6: ...ressure 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...

Page 7: ...the relative end connection 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...

Page 8: ...ted to the outlet flange of the valve 3 6 Important note When a Balanced Valve is installed the valve body should be mounted with the upstream fluid flowing into the upper valve chamber first as per f...

Page 9: ...he valve fully it is recommended to turn the handwheel until the shaft is raised to the maximum position indicated by the on the bonnet then turn the handwheel clockwise 1 turns to remove any backlash...

Page 10: ...of bonnet 5 4 Ensure that all contact surfaces of the valve are clean and free of dirt to accept new handwheel 5 Align flat of D drive of new handwheel and that of the bonnet bush Slide new handwheel...

Page 11: ...3 2 21 20 5 17 23 6 7 17 11 Recommended tightening torques Valve size mm or inch N m lbf ft DN15 DN25 22 A F UNC 13 90 66 4 DN32 DN50 27 A F 5 8 UNC 11 135 99 6 DN65 DN100 32 A F UNC 10 240 177 0 10...

Page 12: ...assembly 6 7 from the bonnet 5 20 Remove the old gasket 23 from the bonnet and clean the contact surface 21 Unscrew and the remove the gland nut 11 22 Remove the gland ring 10 and graphite ring 9 fro...

Page 13: ...36 Tighten the bonnet nuts 20 in sequence to approximately half of the full torque 37 Repeat instructions 34 35 and 36 but tightening the bonnets to full torque setting 38 Hand tighten gland nut 11 a...

Page 14: ...are supplied as spares Available spares Seat body bonnet gaskets and graphite ring 9 21 22 and 23 2 off Seat plug stem and bellows assembly Gaskets not included 2 6 and 7 Handwheel and circlip 14 and...

Page 15: ...h pressure stop valve flanged ASME 600 Note Should the differential pressure exceed those listed against the respective sizes in the table below then please ensure balancing discs are specified for us...

Page 16: ...IM P184 17 CMGT Issue 3 16...