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永嘉工奥阀门有限公司

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 永嘉工奥阀门有限公司

China/Zhejiang

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Pressure Reducing Valve
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Price： Negotiable 
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Delivery time： From the date of payment from the buyer within days of delivery
update time： 2024-07-19 01:00  Valid to：Long-term effective
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 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 conditions.as 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) 20 25 32 40 50 65 80 100 125 150 200
  10 12 15 20
Kv 1.8 2.4 4.4 4 11 20 30 48 75 120 190 300 480 760
Allowable Maximum Pressure Differential 2.5 2.0 1.6 1.0
Nominal Pressure 1.6/4.0/6.4 Mpa
Flow Characteristics Quick Open
Allowable Minimum Pressure Differential 0.05 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. Liqud≤140,Gas≤80,With radiator/condenser ≤350.
Applicable Medium Gas,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 Leakage Metal 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
(ml/min)		 DN(mm)
20 25 32 40 50 65 80 100 125 150 200
0.15 0.3 0.45 0.6 0.9 1.7 4.0 6.75
 
Main External Dimensions.
 
 Self Operated Pressure Reducing Valve (ZZY)
 
Nominal Diameter(mm) 20 25 32 40 50 65 80 100 125 150 200
L 1.6/4.0 Mpa 150 160 180 200 230 290 310 350 400 480 600
6.4 Mpa 230 230 260 260 300 340 380 430 500 550 650
B 233 332 373 522 673 980 1200
H Pressure Regulating Range (Mpa) 15~140 475 520 540 710 780 840 380 915
120~300 455 500 520 690 760 800 370 880
280~500 450 490 510 680 750 790 360 870
480~1000 445 480 670 740 780 350 860
600~1500 445 570 600 820 890 950 1000
1000~2500 445 570 600 820 890 950 1000
A 15~140 282 308
120~300 232
280~1000 196 196 282
600~2500 85 96
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