FLOWSEAL
3201 Walnut Avenue, Long Beach, CA 90807
562/426-2531
FAX 562/490-9546
CONTENTS
Introduction
Valve Description................................................................................................................................... 3
Valve Design Features .......................................................................................................................... 3
Flange Compatibility .............................................................................................................................. 3
Gasket Compatibility.............................................................................................................................. 3
Pipe Schedule Compatibility .................................................................................................................. 3
Product Identification ............................................................................................................................. 3
Operating Pressures.............................................................................................................................. 3
Seat Alternatives ................................................................................................................................... 4
Offset Disc Design ................................................................................................................................. 4
Seat Retainer Alternatives ..................................................................................................................... 5
Installation Recommendations
Valve Ratings ........................................................................................................................................ 6
Seat Upstream vs Seat Downstream .................................................................................................... 6
Disc Clearances .................................................................................................................................... 6
Opening Rotation................................................................................................................................... 6
Installation Position................................................................................................................................ 6
Valve and Flange Preparation ............................................................................................................... 6
Installation Tools.................................................................................................................................... 6
Required Bolting .................................................................................................................................... 6
Unpacking and Storage Instructions...................................................................................................... 6
Pre-Installation Procedure ..................................................................................................................... 7
Valve Installation Procedure .................................................................................................................. 7
Bolting Dimensions ............................................................................................................................ 8, 9
Maintenance Instructions
Safety Precautions .............................................................................................................................. 10
General Maintenance .......................................................................................................................... 10
Packing Replacement.......................................................................................................................... 10
End Cap Seal Replacement ................................................................................................................ 10
Standard Soft Seat Replacement .................................................................................................. 10, 11
Fire-Flow and Metal Seat Replacement .............................................................................................. 12
Disc, Shaft and Bearing Replacement................................................................................................. 12
Ratchet Handle Mounting Procedure .................................................................................................. 13
Manual Gear Mounting Procedure ...................................................................................................... 13
Remote Actuator (Male Drive) Mounting Procedure............................................................................ 13
Remote Actuator (Female Drive) Mounting Procedure ....................................................................... 14
Parts List.............................................................................................................................................. 15
Flowseal Figure Number System .......................................................................................... Back Cover
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