HY Butterfly Valve

CONTENTS

COMPANY HISTORY

BUTTERFLY VALVES

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CONSTRUCTION

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BUTTERFLY VALVE CONSTITUTION TABLE

VALVE SEAT SEALING STRUCTURE AND FEATURES

HANYANG unique seat sealing design offers no frictional contact between valve disc and seat:

Zero leakage, tight shut offLower torque

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WAFER TYPE BUTTERFLY VALVES (HY-W-Series)

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WAFER TYPE BUTTERFLY VALVES(HY-W-Series)

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LUGGED TYPE BUTTERFLY VALVES (HY-L-Series)

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FLANGE TYPE BUTTERFLY VALVES (HY-F-Series)

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JIS F 7480 GROUP NO 122(A) TYPE BUTTERFLY VALVES(HY-LF-Series)

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TECHNICAL DATA

CHEMICAL-RESISTANT OF BUTTERFLY VALVES (HY-C-Series)

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HIGH-PERFORMANCE WITH PTFE/METAL SEAT VALVES

ADVANTAGES OF HANYANGHIGH-PERFORMANCE BUTTERFLY VALVES

DOUBLE ECCENTRIC MECHANISM

PTFE SEAT DESIGN

HIGH-PERFORMANCE CHARACTERISTIC

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BI-DIRECTION CONTROL OF FLUID BY DISC AND SEAT RING

HANYANG’S DOUBLE ECCENTRIC TYPE STANDARD. SEAT FOR FIRE SAFETY TYPE

RUBBER SEAT FOR CARGO LINE TRIPLE ECCENTRIC TYPE

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PART NAME AND MATERIALS

PRESSURE-TEMPERATURE RATINGS

HIGH-PERFORMANCE TYPE BUTTERFLY VALVES

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WAFER TYPE BUTTERFLY VALVES (HY-HPW-Series)

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LUGGED TYPE BUTTERFLY VALVES(HY-HPL-Series)

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FLANGE TYPE BUTTERFLY VALVES (HPF-Series)

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BUTTERFLY VALVE DESIGN TYPE

CONCENTRIC VALVE

Fig. 1

Fig. 2

Fig. 3

Fig. 4

ECCENTRIC VALVE

DOUBLE ECCENTRIC VALVE

TRIPLE ECCENTRIC VALVE

TECHNICAL DATA

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SELECTION OF BUTTERFLY VALVES(Flow Co-efficient Cv)

Where : Where :

Flow rate Co-efficients Cv resilient seated butterfly valve VALUE CHARACTERISTICS

TECHNICAL DATA

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1. Shipment & Storage

2. Installation Considerations. Piping and Valve Orientation and Placement

3. Installation Procedure

INSTALLATION PROCEDURES

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INSTALLATION PROCEDURES

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INSTALLATION PROCEDURES

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BUTTERFLY VALVE TORQUE VALUES

For conditions that vary from those noted. then apply the following Application Factor Multipliers:

Note:

Example:

RESILIENT SEAT COMPARISON DATA RATING : 1.EXCELLENT 2.GOOD 3.FAIR 4.POOR

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RESILIENT SEAT ELASTOMER DATA

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FLANGE DIMENSION TABLE