Product Main

Specifications

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℃
? Leakage Rate: 0...0.05%Kvs
? Medium Temperature: +1...+220℃
? Characteristic of Disc: Quickly Opening Proportional Regulating                    
? Material: Actuator,Sensing Bulb：Stainless Steel 
                   Pipe: Red Copper pipe
                   Valve Body: PN 16  Spherical Graphite Cast Iron QT400
                   Disc,Seat,Stem: Stainless Steel 
                   Seal: Compact Special Seal
                   Balanced Component: 316L Stainless Steel

Selection Table:  

YZW-20

DN20/ 5(m3 /h)       PN16

YZW-25

DN25/8(m3 /h)        PN16

YZW-32

DN32/16(m3 /h)      PN16

YZW-40

DN40/25(m3 /h)      PN16

YZW-50

DN50/40(m3 /h)      PN16

YZW-65

DN65/63(m3 /h)      PN16

YZW-80

DN80/100(m3 /h)    PN16

YZW-100

DN100/160(m3 /h)  PN16

YZW-125

DN125/250(m3 /h)  PN16

YZW-150

DN150/400(m3 /h)  PN16

YZW-200

DN200/550(m3 /h)  PN16

YZW-250

DN250/720(m3 /h)  PN16

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℃