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Double Seat Control Valve Manufacture

Double Seat Control Valve Manufacture

ZXN series Pneumatic double seat Control Valve Characteristics: Two guide structure with Multiple springs actuator.The structure is compact、lighter weight、quick operation、large valve capacity、flow features accurate、flow characteristics accuracy、easy to dismounting.This series product have...

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Product Details

ZXN series Pneumatic double seat Control Valve Characteristics:

Two guide structure with Multiple springs actuator.The structure is compact、lighter weight、quick operation、large valve capacity、flow features accurate、flow characteristics accuracy、easy to dismounting.This series product have standard form、bellow、high temperature…ect type.Prodcut nominal pressure class have PN16、25、40、64;Valve diameter range from DN25~450.The temperature range-250~+560°C.


Feature

1. Top and bottom two guide structure,good steady performance.

2. Two valve plug and valve seat.

3. Big allowable operation pressure.

4. Big adjusting range.


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Specification and technical date

Nominal Diameter(mm)

25

32

40

50

65

80

100

125

150

200

250

300

350

400

Rated flow coefficient Kv

Equal percentage

11

18

28

44

69

110

176

275

440

690

1000

1600

2500

4000

Liner

12

19

30

48

76

121

193.6

302.5

484

759

1100

1760

2750

4400

Rated Stroke L(mm)

16

25

40

60

100

Diaphragm Effective Area(cm²)

1600

Spring Range Pr(Kpa)

20~100、40~200、20~60、60~100、80~240

Gas source pressure(Mpa)

0.14~0.4

Inherent flow Characteristics

Equal percentage、Liner

Inherent rangeability R

50

Leakage class

II Class(5X10-3 X Valve rated capacity)Metal seal

Nominal Pressure PN(MPa)

Mpa

1.6,2.5,4.0,6.4(6.3)/2.0,5.0,11.0

Bar

16,25,40,64(63),/20,50,110

Lb

ANSI:Class150、Class300、Class600、Class900

Upper bonnet form

Room temperature

-20~200、-40~250、-60~250

The cooling type

-40~450、-60~450

High temperature

450~650(high-temperature material)

Cryogenic

-60~-100、-100~-200、-200~-250

Regulating cut off type

-40~150(Valve plug with PTFE)   -60~200(Valve plug with reinforce PTFE)



HANGZHOU HOYEE TRADE CO.,LTD
 No7 YangJiaDai Road LingQiao industrial  Zone,FuYang district,HangZhou City,P.R China
 Phone:+8615158093136
 Mail address:Infor@hoyeevalve.com
 Tel:+86-571-63557818
 Fax:+86-571-63559158
 Website:www.hoyeevalve.com
 QQ:157780534
 Wechat:+8615158093136
 Whatsapp:+8615158093136
 Skype:Yu.alex1986



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