FNW HP Series - User Manual

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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
1
INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS
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
Appendix A ...............................................................15
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 oering 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. Therefore, please visit our web site at
fnw.com for updates and the latest additions to our product oering.
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 cautions and
illustrationscarefully.

FNW HP Series Specifications

General

Brand	FNW
Model	HP Series
Category	Control Unit
Language	English

Summary

Safety Instructions

Delivery

Valve Shipping Position

Valves are shipped with the disc in fully closed position for disc protection.

Valve Specification Marking

Valve specification details are marked on the nameplate and valve body.

End Protection

Valves are delivered with end protecting caps to avoid damage to internals and flange facing.

Handwheel Packing

Handwheels for gear operated valves are packed separately, with the pin attached to the gearbox shaft.

Lever Operation

For lever operated valves, the hand lever is either assembled with the valve or shipped loose.

Valve Handling and Storage

Valve Handling

Guidelines for safely handling valves to prevent damage and injury.

Valve Storage

Recommendations for proper storage conditions to maintain valve integrity.

Valve Installation

General Installation

General procedures and checks before and during valve installation.

Flanged Ends Installation

Specific instructions for installing valves with flanged ends.

Cleaning and Testing

Procedures for cleaning the pipeline and testing the installed valve.

Valve Operation

General Operation

Maximizing valve operational life within rated pressure and temperature.

Valve Actuation

Instructions for operating valves using different actuation mechanisms.

Fire Safety Design

Information on the fire safe design and testing standards for the valves.

Troubleshooting

Exploded View

Periodic Maintenance

General Maintenance

Recommendations for periodic inspection and maintenance for valve longevity.

Operability and Torque Check

Checking the valve for ease of operation and proper torque.

Stem Leakage Detection

Methods for detecting major and minor leakage at the stem region.

Gear Stopper Adjustment

Procedure for adjusting the gear unit stopper bolts for valve operation.

Dismantling Procedure

Step-by-step guide for safely dismantling the valve for maintenance.

Repair of Components

Guidelines for cleaning, examining, and replacing damaged valve components.

Assembly Procedure

Steps for reassembling valve components after repair or replacement.

Gland Packing Replacement

Procedure for removing and replacing gland packing when adjustment is insufficient.

Seat Replacement Procedure

Steps for removing and replacing valve seats, including soft and fire safe designs.

Recommended Spare Parts

General Spare Parts Recommendation

Recommendation to have a set of spares available before starting repair operations.

Spare Parts for Normal Operation

Recommendation for stocking spare parts for normal operation over a two-year period.

Disposal Action

Disposal Instructions

Guidelines for disposing of metallic and non-metallic valve components.

CE Instructions

CE Nameplate Information

Details about the stainless-steel nameplate fixed to the valve body.

Nameplate Details

Information marked on the nameplate including figure number, materials, temp and pressure ratings.

Appendix A

References

List of standards and references related to valve design and testing.

Tightening Sequence and Torque

Procedure for tightening bolts and recommended torque values.

Technical Data

Seat material properties, temperature range, and chemical resistance.