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FIGURE HPA
HIGH PERFORMANCE BUTTERFLY VALVE
INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS
YOUR PIPING PRODUCTS SOURCE
Since FNW was established in 1979, we have been dedicated to providing quality products for industrial and
commercial applications. With a basic philosophy to provide a product suited 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 size of item needed for your project, please contact us
at 757-969-4974.
We continue to add products that may not be reflected in this publication. Please visit our website at fnw.com for
updates and the latest additions to our product offering.
TABLE OF CONTENTS
1. Safety Instructions ............................................. 2
2. Delivery ................................................................. 2
3. Valve Handling and Storage ........................... 3
4. Valve Installation ................................................ 4
5. Valve Operation .................................................. 6
6. Troubleshooting ...................................................7
7. Exploded View .................................................... 8
8. Periodic Maintenance ......................................10
9. Recommended Spare Parts ...........................14
10. Disposal Action ..................................................14
11. CE Instructions ...................................................14
12. Appendix A .........................................................15
References ..........................................................15
Tightening Sequence .......................................15
Recommended Torque ....................................16
Bolting Dimensions .................................... 17-24
FNW.COM
©2022 Ferguson Enterprises, LLC 0722 4239423
SCOPE
The purpose of this manual is to ensure that the valves
supplied are properly installed, handled, operated and
maintained to give trouble-free performance.
This manual covers FNW high performance butterfly
valves from 2"-24" wafer and lug designs.
NOTES:
• Read the manual carefully before removal,
installation, maintenance or operation of
the valve.
• Refer to general arrangement drawings to
identify the design, as valves may vary in
features and parts.
• Pay attention to warnings and
illustrations carefully.
We reserve the right to modify or improve the designs or
1
specifications of our products at any time without notice.
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Summary of Contents for FNW HPA
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Page 1: Table Of Contents
If you do not see the type or size of item needed for your project, please contact us at 757-969-4974. We continue to add products that may not be reflected in this publication. Please visit our website at fnw.com for updates and the latest additions to our product offering. -
Page 2: Safety Instructions
2. DELIVERY HPA Butterfly Valves are shipped with the disc in PROD. CODE:- fully closed position for the protection of the disc. REF NO:- 2.2 The valve specification details are marked on the... -
Page 3: Valve Handling And Storage
FIGURE HPA HIGH PERFORMANCE BUTTERFLY VALVE 3. VALVE HANDLING AND STORAGE 3.1 HANDLING 3.2 STORAGE 3.1.1 Valve shall be properly supported and secured 3.2.1 Clean the valves and ensure that end protectors before moving to prevent possible damage to are in place before the valves are stored, as dry valve and property or harm to personnel. -
Page 4: Valve Installation
Carefully unpack the valve and check for tags or identification plates, etc. If the nameplates and/ or tags are lost or destroyed during shipment or storage, or if it is not legible, contact an FNW or manufacturer representative for assistance before installing the valve. - Page 5 FIGURE HPA HIGH PERFORMANCE BUTTERFLY VALVE 4.2.6 For bolting torque, reference A3. 4.2.8 Tapped holes near the stem axis may have blind holes. Appropriate fastener length shall be used as 4.2.7 The fastener length is not the same for both sides recommended in the table.
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Page 6: Valve Operation
(in-line) with the valve or pipeline. CAUTION: • HPA series butterfly valves are quarter-turn valves (i.e., 90° rotation of the disc makes the valve either fully opened or fully closed). • Butterfly valves employed for throttling duties shall be limited to a max pressure drop of 20% of the inlet pressure at max open position. -
Page 7: Troubleshooting
For electric actuators, FNW or manufacturer recommends to strictly adhere to the instructions as per actuator manufacturer’s manual. • Ensure that the valves in the pipeline 5.2.5 Pneumatic or hydraulic actuator is fitted directly... -
Page 8: Exploded View
FIGURE HPA HIGH PERFORMANCE BUTTERFLY VALVE 7. EXPLODED VIEW A: 2"–12" (Lug/Wafer) Item Description Item Description Body Gland Packing (Soft Seat) Disc Gland Packing (Fire Safe) Seat (Soft) Stem Retainer Seat (Fire Safe) Gland Flange Stem (Soft Seat) Stud Stem (Fire Seat) - Page 9 FIGURE HPA HIGH PERFORMANCE BUTTERFLY VALVE B: 14"–24" (Lug/Wafer) Item Description Item Description Body Stem Retainer Disc Gland Flange Seat (Soft) Stud Belleville Spring Seat (Fire Safe) Hex Nut Stem (Soft Seat) Cover Gasket (Soft Seat) Stem (Fire Seat) Cover Gasket (Fire Seat)
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Page 10: Periodic Maintenance
8.3.2 Minor leakage at the stem region may be 8.1.3 Use genuine FNW spare parts only for detected by using soap bubbles, after removing maintenance and replacements. Refer to the operator (actuator/gear/lever) unit. Section 9. - Page 11 FIGURE HPA HIGH PERFORMANCE BUTTERFLY VALVE 8.4 GEAR STOPPER ADJUSTMENT PROCEDURE 8.4.1 Before changing the setting, ensure that the nut 8.4.3 The adjustment of the valve should be within ±5º locking washer is intact. If not intact, then only of mean position indicated by the indication plate.
- Page 12 FIGURE HPA HIGH PERFORMANCE BUTTERFLY VALVE 8.5.8 Close the valve completely and remove operator 8.5.14 Remove the hex nuts (17) and Belleville washer (16) unit. Unscrew the lever lock bolt. Lift the lever by from gland flange (17) and remove the gland flange pressing the latch of the lever out of the stem in (14).
- Page 13 FIGURE HPA HIGH PERFORMANCE BUTTERFLY VALVE 8.7.8 Slide the stem (3) through the top bearing (08) and 8.7.18 When the gear operator or hand lever or actuator engage the top disc spacer (6) toward the bonnet is reassembled on the valve, it may be necessary...
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Page 14: Recommended Spare Parts
FIGURE HPA HIGH PERFORMANCE BUTTERFLY VALVE 8.9 PROCEDURE FOR SEAT REPLACEMENT 8.9.5 If the seat is tight, move the disc to open position, and if still tight, gently drive the seat out of the 8.9.1 Remove the retainer ring as per procedure body using a smooth blunt instrument. -
Page 15: References
FIGURE HPA HIGH PERFORMANCE BUTTERFLY VALVE APPENDIX 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 dimensions API 609 Face-to-face and end-to-end dimensions of valves End connections ASME B16.5... -
Page 16: Recommended Torque
FIGURE HPA HIGH PERFORMANCE BUTTERFLY VALVE A3. Recommended Tightening Torque Fig. 8 Tightening Sequence Fastener Size Tightening Torque, Nm Tightening Torque, lbf.in Tightening Torque, lbf.ft 5/8 - 11 UNC 170–190 1504–1681 125–140 3/4 - 10 UNC 252–280 2230–2478 186–207 7/8 - 9 UNC 342–380... -
Page 17: Bolting Dimensions
FIGURE HPA HIGH PERFORMANCE BUTTERFLY VALVE Wafer Class 150 (with Hex head screws) Retainer Side Stem Side Heavy Through Screws (blind tap near neck) (blind tap near neck) Hex Nut Valve Size Hex Head Screw Length Hex Head Screw Length... - Page 18 FIGURE HPA HIGH PERFORMANCE BUTTERFLY VALVE Wafer Class 150 (with studs) Retainer Side Stem Side Heavy Through Studs (blind tap near neck) (blind tap near neck) Hex Nut Valve Size Stud Length Stud Length Stud Length Inch Thread Inch Inch...
- Page 19 FIGURE HPA HIGH PERFORMANCE BUTTERFLY VALVE Lugged Class 150 (with Hex head screws) Retainer Side Stem Side Retainer Side Stem Side (blind tap near neck) (blind tap near neck) Valve Size Hex Head Screw Length Hex Head Screw Length Hex Head Screw Length...
- Page 20 FIGURE HPA HIGH PERFORMANCE BUTTERFLY VALVE Lugged Class 150 ( with Studs) Heavy Retainer Side Stem Side Retainer Side Stem Side (blind tap near neck) (blind tap near neck) Valve Size Stud Length Stud Length Stud Length Stud Length Inch DN...
- Page 21 FIGURE HPA HIGH PERFORMANCE BUTTERFLY VALVE Wafer Class 300 (with Hex head Screws) Retainer Side Stem Side Heavy Through Screws (blind tap near neck) (blind tap near neck) Hex Nut Valve Size Hex Head Screw Length Hex Head Screw Length...
- Page 22 FIGURE HPA HIGH PERFORMANCE BUTTERFLY VALVE Wafer Class 300 (with Studs) Retainer Side Stem Side Heavy Through Studs (blind tap near neck) (blind tap near neck) Hex Nut Valve Size Stud Length Stud Length Stud Length Inch Thread Inch Inch...
- Page 23 FIGURE HPA HIGH PERFORMANCE BUTTERFLY VALVE Lugged Class 300 (with Hex head screws) Retainer Side Stem Side Retainer Side Stem Side (blind tap near neck) (blind tap near neck) Valve Size Hex Head Screw Length Hex Head Screw Length Hex Head Screw Length...
- Page 24 FIGURE HPA HIGH PERFORMANCE BUTTERFLY VALVE Lugged Class 300 ( with Studs) Heavy Retainer Side Stem Side Retainer Side Stem Side (blind tap near neck) (blind tap near neck) Valve Size Stud Length Stud Length Stud Length Stud Length Inch DN...
- Page 25 FNW. The valves shall be appropriately used for the purpose they are built for and their intended applications. Use of standard valves for special applications is not recommended unless it has been communicated and agreed to by FNW.
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