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DN20- DN400 Pneumatic Power Station Valve , Double-Seat Adjusting Valve

DN20- DN400 Pneumatic Power Station Valve , Double-Seat Adjusting Valve

  • DN20- DN400 Pneumatic Power Station Valve , Double-Seat Adjusting Valve
DN20- DN400 Pneumatic Power Station Valve , Double-Seat Adjusting Valve
Product Details:
Place of Origin: China
Model Number: ZXN
Payment & Shipping Terms:
Minimum Order Quantity: 10
Packaging Details: carton box
Delivery Time: 15days
Payment Terms: TT
Supply Ability: 10000/ month
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Detailed Product Description
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power plant valves

 

DN20- DN400 Pneumatic Power Station Valve , Double-Seat Adjusting Valve

 

pneumatic double-seat adjusting valve

 

ZXP pneumatic single-seat adjusting valve, ZXN pneumatic double-seat adjusting valve, ZXM pneumatic sleeve adjusting valve are the important products of pneumatic adjusting valve, use top-guide structure, equipped with multi-spring actuator. Impact structure, light weight, flexible action, S-type streamline channel, small loss of pressure drop, large capacity, precise flow characteristics, convenient assembly. Widely used for controlling gas, liquid, processing parameters, like pressure, flow, temperature, liquid, keep them at the given value. This series of product contain standard, adjusting cut-off, bellows sealing, jacket insulation; nominal pressure: PN10,16,40,64; nominal diameter: DN20~400, fluid temperature: -200℃~560℃; leakage level: IV level or VI level; flow characteristics: linear or equal percentage

 

Nominal diameter  mm

20

25

40

50

65

80

100

150

200

250

300

350

400

Diameter of valve seat  mm

10

12

15

20

25

32

40

50

65

80

100

125

150

200

250

300

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Rated flow coefficient Kv

Straight line

1.8

2.8

4.4

6.9

11

17.6

27.5

44

69

110

176

275

440

690

1000

1600

Equal percentage

1.6

2.5

4

6.3

10

16

25

40

63

100

160

250

400

630

900

1440

Nominal pressure MPa

0.61.64.06.4

Travel  mm

10

16

25

40

60

100

 

 

Flow characteristics

Straight line,equal percentage ,quick open

Media temperature ℃

-15~200(normal temperature ),-40~+250,-40~+450(medium temperature ),-100~+200(low temperature )

Flange size

Cast iron flange size JB78,cast steel flange size JB79

Flange size

Sealing surface of flange JB77,cast iron flange is smooth, cast steel flange is concave

Material of valve body

PN
(MPa)

0.6,1.6

HT200,WCB(ZG230-450)

4.0,6.4

WCB(ZG230-450),ZG1Cr18Ni9Ti,ZG0Cr18Ni12Mo2Ti

Material of valve spool

1Cr18Ni9,0Cr18Ni12Mo2Ti

Upper cover

General (normal temperature ),heat sink(medium temperature),low temperature

Adjustable ratio  R

50:1

Connector of air supply

M16×1.5

,

 

Contact Details
Hontai Machinery and equipment (HK) Co. ltd

Tel: +8615920049965

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