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Jinan Tiandong Weiye Autocontrol Technology Co., Ltd.
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YZW Series Self-powered Temperature Modulating Valves |
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 Click to enlarge image
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 Model Number |
YZW 200 |
- Description:
• Mainly used for temperature automatic control of city hot-providing system, air-condition and refrigeration close-circuit system, industrial control system
• Used for hot water, high pressure hot water, saturation vapor, steam-gas and hot oil supply system
Feature:
• Precision Cast(Resin Sand)
• Flanged end according to ISO 7005 standard
• Accord to Manufacture License of Special Equipment People's Republic of China
• Self powered without power based on the theory: fluid bulk transform caused by expand on heating and contract on cooling
• Adopt the bellows seal balance component which overcome high differential pressure for turn on/off - Technical Data:
• Operating Pressure: PN16
• Temperature Range: +35...+110��br />• Leakage Rate: 0...0.05%Kvs
• Medium Temperature: +1...+220��br />• Characteristic of Disc: Quickly Opening Proportional Regulating
• Material: Actuator,Sensing Bulb竊�tainless Steel
Pipe: Red Copper pipe
Valve Body: PN 16 Spherical Graphite Cast Iron QT450
Disc,Seat,Stem: Stainless Steel
Seal: Compact Special Seal
Balanced Component: 316L Stainless Steel
Selection Table:
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YZW-20
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DN20/ 5(m3 /h) PN16
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YZW-25
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DN25/8(m3 /h) PN16
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YZW-32
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DN32/16(m3 /h) PN16
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YZW-40
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DN40/25(m3 /h) PN16
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YZW-50
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DN50/40(m3 /h) PN16
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YZW-65
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DN65/63(m3 /h) PN16
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YZW-80
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DN80/100(m3 /h) PN16
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YZW-100
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DN100/160(m3 /h) PN16
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YZW-125
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DN125/250(m3 /h) PN16
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YZW-150
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DN150/400(m3 /h) PN16
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YZW-200
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DN200/550(m3 /h) PN16
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YZW-250
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DN250/720(m3 /h) PN16
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•The standard length of the thermometric liquid pipe: 4 m. Lengthen the pipe if need
•Don’t be used for direct supply system
•We also can manufacture the cast steel valve body for special working conditions:
Model VG,PN25. Medium Temperature:+1~350��br />
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