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Masoneilan 39004 Series Butterfly Valve Instruction Manual  |  8

Copyright 2020 Baker Hughes Company. All rights reserved.

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Summary of Contents for Masoneilan 39004 Series

Page 1: ...Masoneilan 39004 Series High Performance Butterfly Valve Instruction Manual Rev B Baker Hughes Data Classification Public ...

Page 2: ...ICULAR REQUIREMENTS FOR OPERATION OF OTHER EQUIPMENT AT THE SITE THESE INSTRUCTIONS DO NOT PURPORT TO COVER ALL DETAILS OR VARIATIONS IN EQUIPMENT NOR TO PROVIDE FOR EVERY POSSIBLE CONTINGENCY TO BE MET IN CONNECTION WITH INSTALLATION OPERATION OR MAINTENANCE SHOULD FURTHER INFORMATION BE DESIRED OR SHOULD PARTICULAR PROBLEMS ARISE WHICH ARE NOT COVERED SUFFICIENTLY FOR THE CUSTOMER OPERATOR S PUR...

Page 3: ... Safety Information 1 Introduction 2 1 0 Installation 2 2 0 Maintenance 3 3 0 Stem Seal Replacement 3 4 0 Seat Replacement 3 5 0 Disc and Stem Replacement 4 Special Instructions for Fire Safe Butterfly Valve 6 1 0 Installation 6 2 0 Stem Seal Replacement 6 3 0 Seat Replacement 6 4 0 Stem and Disc Replacement 6 5 0 Field Adjustments All Valves 6 ...

Page 4: ...copied without Baker Hughes s written permission Please report any errors or questions about the information in this manual to your local supplier These instructions are written specifically for the 39004 Series control valve and do not apply for other valves outside of this product line Useful Life Period The current estimated useful life period for the 39004 Series control valve is 25 years To m...

Page 5: ... disc edge 3 For maximum service life install the valve with the seat retainer upstream Positive shutoff will be obtained with the valve in either position however installation with the seat retainer upstream will give longer service life especially in erosive services 4 With the disc in closed position carefully center valve between flanges Guide holes wafer pattern valve or tapped holes lugged v...

Page 6: ... Note On the larger valves it will be necessary to compress each seal before adding the next 6 Slide gland ring 7 over stem on top of seals 8 Install anti blowout retaining ring or split ring 10 depending on valve size Slide gland retainer 11 over stem and onto gland studs 12 Place lockwashers 13 and hex nuts 14 on studs 12 and tighten finger tight Tighten gland nuts 14 evenly and alternately to t...

Page 7: ...ary to lift body and rotate disc slightly to do this Make sure disc is resting on wood block since it will swing freely on stem with pins removed When pins 4 are out lay body down so disc and body are evenly supported on flat surface 9 Using a brass bar or drift punch knock stem 3 loose and pull from body After long or severe service this may take considerable force Be careful not to damage bearin...

Page 8: ...33 1 1 32 1 241 1 1 4 40 1 241 1 1 4 1 521 1 17 32 42 1 241 1 1 4 1 521 1 17 32 44 1 521 1 17 32 48 1 241 1 1 4 1 521 1 17 32 54 1 521 1 17 32 60 1 521 1 17 32 Ref No Description 1 Body 2 Disc 3 Stem 4 Taper Pin 5 Disc Spacer 6 Bearing Assembly 7 Gland Ring 8 Stem Seal 9 Thrust Washer 10 Retaining Ring Ref No Description 11 Gland Retainer 12 Stud 13 Lock Washer 14 Hex Nut 15 Seat Assembly 16 Seat ...

Page 9: ...r wear or damage Replace if damaged 6 Place new seat on disc carefully centering in body recess 7 Place new graphite gasket on the body Position metal seat over the disc lip facing out on top of the polymer seat Place another graphite gasket on top of the metal seat Graphite gaskets can be first attached to the metal seat to simplify the assembly Spray a suitable adhesive like 3M Super 77 general ...

Page 10: ...t allow the valve to over open as this may damage the disc seating surfaces by hitting body or attached piping 4 On gear operators loosen and adjust the closing stop screw to permit proper disc positioning Adjust and lock down when disc closure is within measured tolerance in paragraph 1 Open and close valve recheck measurements before reinstalling in line 5 For other power actuators consult the m...

Page 11: ...Masoneilan 39004 Series Butterfly Valve Instruction Manual 8 Copyright 2020 Baker Hughes Company All rights reserved Notes ...

Page 12: ...most current information The Baker Hughes logo Masoneilan are trademarks of Baker Hughes Company Other company names and product names used in this document are the registered trademarks or trademarks of their respective owners BHMN 39004 IOM 31752B 1120 11 2020 Direct Sales Office Locations Find the nearest local Channel Partner in your area valves bakerhughes com contact us valves bakerhughes co...

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