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Yongjia Goole Valve Co., Ltd.

Self Operated Pressure Reducing Valve, China Pressure Reducing Valve, Pressure Regulating Valve manufacturer / supplier in China, offering Self Operated Pressure Reducing Valve (ZZY), Ductile Iron Y Strainer (GAGL41H), High Pressure Pressure Reducing Valve (GAY43H) and so on.

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Self Operated Pressure Reducing Valve (ZZY)

FOB Price: Get Latest Price
Min. Order: 1 Piece
Port: Shanghai, China
Transport Package: Plywood Case
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: ZZY
  • Temperature: Ordinary Temperature
  • Valve Seat: Single-Seat
  • Material: Cast Steel,Stainless Steel
  • Origin: China(Mainland)
  • Certification: ISO, CE
  • Connection: Flange
  • Structure: Spring Diaphragm
  • Trademark: GOOLE, OEM
  • HS Code: 8481804090
Product Description
ZZY Self Operated Pressure Reducing Valve
Brief Introduction.
For ZZY series self-operating pressure reducing valves, its special advantage is that there is no need for any external power source, it can use the medium's flow force to realize the function of pressure regulating automatically when the medium flow through the actuator,and different plug and actuator can be selected in meet of different working its good regulating performance,it has a widely application in petrochemical industry,power staion and light industry.
.Field of Application.
Product Name:ZZY Self Operated Pressure Reducing Valve.
Pressure Rating: 1.6/4.0/6.4 Mpa.
Nominal Diameter: DN20-200 mm.
Body Material: Steel WCB,Stainless Steel.
Valve Seat: Single Seat,Double Seat,Sleeve.
Standard flanges: DIN, ANSI, JIS.
Main Technical Parameters and Indexes of Performance.
Nominal Diameter(mm)20253240506580100125150200
Allowable Maximum Pressure Differential2.
Nominal Pressure1.6/4.0/6.4 Mpa
Flow CharacteristicsQuick Open
Allowable Minimum Pressure Differential0.05 Mpa
Pressure Regulating Range(Kpa)15~50 40~80 60~100 80~140 120~180
160~220 200~260 240~300 280~350 330~400
380~450 430~500 480~560 540~620 600~700
680~800 780~900 800~1000 900~2000
Working Temp.Liqud140,Gas80,With radiator/condenser 350.
Applicable MediumGas,Steam,Low Viscosity Liquid.
Note:Pressure range can be designed upon our customers'requirement.
Main Technical Parameters and Indexes of Performance.
Regulating Accuracy ±8 %
Allowable LeakageMetal Seat(L/H)Single Seat(IV Class)1/10000 x rated value
Double Seat/Sleeve Type(II Calss )≤5x1/1000 x rated value
Soft Seat
Main External Dimensions.
 Self Operated Pressure Reducing Valve (ZZY)
Nominal Diameter(mm)20253240506580100125150200
L1.6/4.0 Mpa150160180200230290310350400480600
6.4 Mpa230230260260300340380430500550650
HPressure Regulating Range (Mpa)15~140475520540710780840380915
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