Mar 11, 2016
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