Feature:
1.This product is the high performance butterfly valve this is used in heat-power piping, boiler auxiliary equipment,petrochemicals and metallurgy industry,for shut-off of throttling purpose for any non-corrosive and corrosive medium.
2Advanced triple-offset design is used in this valve featuring excellent performances.
3.Our products have modern design:reasonable construction; beautiful effect;Open speediness;easy setting;low flow resistant;flow character is trend line, and easy , maintenance.
4.The sealing ring use multiwall complex martial with high strength. anti-corrosive,good elasticity and reliable sealing.
Standard available
1.Design and fabrication per GB12238-1989 general purpose industrial valve-Flanged and wafer butterfly valves.
2. Flange size per GB9113.1-2000 steel pipe glanged of flat or male face
3.Length per GB12221-1989 Metal valves for use in flanged pipe systems -face to face and center to face dimensions.
4.Inspection and test per GB/T 13927-1992 Pressure testing for general purpose valves
Performance
Nominal Diameter
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Metal to Metal sealed butterfly valves
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DN50-DN2000(2'-80')
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Nominal pressure
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1.0Mpa
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1.6MPa
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Testing pressure
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sheel
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1.5Mpa
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2.4Mpa
|
|
Sealing
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1.1Mpa
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1.76
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Suitable Temperature
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-30°c~425°c
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|
Applicable mediun
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Water , steam , acid , Alkali, salt, oils, etc
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Main parts&bill of materials and actuator
Nominal Diameter
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Material
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Body
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Carbon steel , Chrome-nickel-titanium Stainless steel
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Disc
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Carbon steel,Chrome-nickel-titanium stainless steel
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Seat
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Complex martial, Chrome-nickel-nickel-titanium stainless steel
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Stem
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Stainless steel,Chrome-molybdenum-vanadium steel
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Stem packing
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Flexible graphite,PTFE
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Outside Coating
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Heat-power organic silicon dope
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Drive
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Hand-lever, Gear Manual drive,Electric Drive,Pneumatic drive
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