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©2021 Ferguson Enterprises, LLC  0721 2945816

We reserve the right to modify or improve the designs or 

specifications of our products at any time without notice.

HIGH PERFORMANCE BUTTERFLY VALVE

FIGURE HPA

9

Item

Description

1

Body

2

Disc

3

Seat (Soft)

Seat (Fire Safe)

4

Stem (Soft Seat)

Stem (Fire Seat)

5

Seat Retaining Ring

6

Disc Spacer

7

Bearing (Soft Seat)

8

Wedge Pin

9

Retainer Screw

10

Packing Spacer

11

Gland Packing (Soft Seat)

12

Gland Packing (Fire Safe)

Item

Description

13

Stem Retainer

14

Gland Flange

15

Stud

16

Belleville Spring

17

Hex Nut

18

Cover Gasket (Soft Seat)

Cover Gasket (Fire Seat)

19

Bottom Cover

20

Punch Washer

21

Hex Hd Screw

22

Seat Gasket (Fire Safe)

23

Mounting Plate

24

Counter Sunk Screw

B: 14"–24" (Lug/Wafer)

Summary of Contents for 4348737

Page 1: ...to the needs of the end user FNW has built a product offering with an innovative approach to the market and has continued to grow its product range to meet those needs If you do not see the type or s...

Page 2: ...ng limitations Exceeding the pressure temperature rating limitations marked on the valve may result in significant damage to the valve and personal injury Users of these valves should ensure that the...

Page 3: ...before the valves are stored as dry contaminants like dust sand grit etc can scratch the metal seating surfaces and the soft inserts leading to leakages on full pressure operation 3 2 2 Valves shall b...

Page 4: ...representative for assistance before installing the valve 4 1 2 Check valve for any damage and check condition of end protectors Upon discovery of any damage contact an FNW or manufacturer representa...

Page 5: ...improper alignment of the pipe and the valve during installation can lead to unbalanced tightening of the flanges which may cause excessive stress on the bolts and lead to leakage Ensure all nuts flan...

Page 6: ...hanical stoppers if required Worm gear operators are packed with grease Normally the grease is suitable for 20 C 4 F to 80 C 176 F For other applications consult the nearest FNW or manufacturer repres...

Page 7: ...vide a fire safe metal sealing Valves are tested to meet the fire safety requirements of international standards according to either API 607 CAUTION Apply gradual force on the handwheel of the gear op...

Page 8: ...ire Safe 4 Stem Soft Seat Stem Fire Seat 5 Seat Retaining Ring 6 Disc Spacer 7 Bearing Soft Seat Bearing Fire Safe 8 Wedge Pin 9 Retainer Screw 10 Packing Spacer Item Description 11 Gland Packing Soft...

Page 9: ...Safe 4 Stem Soft Seat Stem Fire Seat 5 Seat Retaining Ring 6 Disc Spacer 7 Bearing Soft Seat 8 Wedge Pin 9 Retainer Screw 10 Packing Spacer 11 Gland Packing Soft Seat 12 Gland Packing Fire Safe Item...

Page 10: ...if found loose 8 1 5 Gland nuts and bolts to be inspected and ensured that they are intact and not loosened during service Properly tighten the nuts by means of spanner or wrench if found loose Over t...

Page 11: ...o repair shop 8 5 6 Before disassembly cycle open and close the valve several times to clear it of fluid then flush with water 8 5 7 Valve shall be positioned vertically by resting body side flange on...

Page 12: ...1 Remove the bottom bearings 7 8 6 REPAIR OF COMPONENTS 8 6 1 The metallic parts should be cleaned 8 6 2 After cleaning components examine for damaged parts Ensure that there are no scoring marks on t...

Page 13: ...and set disc in closed position 8 7 17 Disc pins to be Tig spot welded after leakage testing 8 7 18 When the gear operator or hand lever or actuator is reassembled on the valve it may be necessary to...

Page 14: ...t during cycling CAUTION All equipment must be fitted only with manufacturer s original spare parts When ordering for spare parts always convey the following information size of valve sr no and mfg da...

Page 15: ...PENDIX A TECHNICAL INFORMATION A1 References Design pressure temperature ratings API 609 Butterfly Valves Lug and wafer type ASME B 16 34 Valves flanged threaded and welding ends Face to face dimensio...

Page 16: ...rties 2 Excellent chemical resistance 3 Good temperature and pressure capabilities 4 Excellent abrasion resistant Resistance to most of the chemicals and solvents Table 4 Seat temperature range and ge...

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