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Stellite Low Noise Control Valve

Stellite Low Noise Control Valve

ZXPII/ZXMII series Pneumatic low noise control valve is a top entry globe type control valve, which ismanufactured under ISO 9001 quality assurance system. The valve is mainly designed to reduce the noise with compressible value. There are many small balanced holes of gas throttle.The body...

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Product Details

ZXPII/ZXMII  Series of Intelligent Pressure-balanced Low Noise Control Valve uses modular design and impact structure. Through the special symmetric holes on the valve trim, it could reduce the noise and pressure, thereby preventing from flashing and cavitation, make it applicable for high pressure difference and low noise conditions to meet customers requirements. Double-sides valve seat and compressing connection of the valve body, greatly enhance the sealing grade and service life of the valve lead, which make it easy to repair and greatly increase the general performance of the regulating valve.

 

Features

1. The design of multiple springs structure makes the thrust of the actuator more stability and also makes the lag and dead zone improved. 
2. The applied of double anti- pivot bolt connection of the membrane head and the bracket, improve the whole structure stability of the valve. 
3. Positioner mounting bracket, suitable for many manufacturers, many models locator, which provide a reliable guarantee for the accurate control of the regulating valve. 
4. Unique design of packing according to the physical properties of different packing and scientific arrangement, cooperate with spring pretightening and dust-proof sealing ring, in order to ensure the good seal ability of the bonnet and reduce the frictional resistance of the valve stem movement to provide a reliable guarantee. 
5. Unique design of spoiler on the fluid flow into the cavity of the turbulent dispersion interaction, reduces the turbulence on the valve cavity and the impact of the trims, the adjustment precision is improved. 
6. With forging processing, precision ball valve stem application process, improve the trim surface roughness and hardness, prolong the service life of the regulating valve, improves the stability of the control valve. 

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Specification and technical parameter

Nominal Diameter(mm)

20

25

32

40

50

65

80

100

125

150

200

250

300

350

Valve seat diameter Gg(mm)

15

20

25

32

40

50

65

80

100

125

150

200

250

300

Rated flow coefficient Kv

Equal percentage

4

7

11

18

28

44

69

110

176

275

440

690

1000

1650

Liner

4

6

10

16

25

40

63

100

160

250

400

630

900

1500

Rated Stroke L(mm)

16

25

40

60

100

Diaphragm Effective Area(cm²)

280

400

600

1000

1600

Spring Range Pr(Kpa)

20~100、40~200、80~240

Gas source pressure(Mpa)

0.14、0.25、0.30

Inherent flow Characteristics

Equal percentage、Liner

Inherent rangeability R

50

Leakage class

Metal valve plug:III Class、IV Class; Soft Valve plug:VI Class

Nominal Pressure PN(MPa)

Mpa

1.6,2.5,4.0,6.4(6.3)/2.0,5.0,11.0,15.0

Bar

16,25,40,64(63),100,160/20,50,110,150

Lb

ANSI:Class150、Class300、Class600、Class900

Upper bonnet form

Room temperature

-20~200、-40~250、-60~250

The cooling type

-40~250、-60~250

High temperature

450~560(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)


Allowable pressure differential list


Nominal Diameter DN(mm)

Stroke

Actuator output force (KN)

mm

0.8

2

3

5

6.5

10

16

25

40

60

20

20

2.54

6.36

9.55

10.0

 

 

 

 

 

 

25

1.63

4.07

6.11

10.0

 

 

 

 

 

 

32

25

 

2.48

3.73

6.22

8.08

10.0

 

 

 

 

40

 

1.59

2.38

3.98

5.17

7.96

10.0

 

 

 

50

 

1.01

1.52

2.54

3.31

5.09

7.96

10.0

 

 

65

40

 

 

0.90

1.50

1.95

3.01

4.82

7.53

10.0

 

80

 

 

0.59

0.99

1.29

1.99

3.18

4.97

7.96

10.0

100

 

 

0.38

0.63

0.82

1.27

2.03

3.18

5.09

7.64

125

60

 

 

 

0.40

0.52

0.81

1.3

2.03

3.26

4.89

150

 

 

 

0.28

0.36

0.56

0.90

1.41

2.26

3.39

200

 

 

 

 

0.20

0.31

0.50

0.79

1.27

1.91


Method of type designation


     Product

Z

 

 

 

 

 

 

Actuator Type

Actuator

X

 

 

 

 

 

Pneumatic diaphragm

DL

 

 

 

 

 

Electronic

AZ

 

 

 

 

 

Motorized

Plug valve Structure type

P

 

 

 

 

Single Seat Low noise

M

 

 

 

 

Low noise cage

Type of valve

II

 

 

 

Low noise type

Nominal Pressure

16

 

 

1.6MPa

25

 

 

2.5MPa

40

 

 

4.0MPa

63

 

 

6.3MPa

100

 

 

10.0MPa

Mode of Action

K

 

Air to open、Electric open

B

 

Air to close、Electric close

Bonnet Form

S

Cooling type

W

Bellows seal type

D

Cryogenic

J

Jacketed heat preservation

Long life

1. Valve Trims

According to the needs of the working conditions, different materials and surface hardening treatment can easily be chosen to meet the requirements of each function module of trim to improve its performance of the corrosion, cavitation and erosion resistant, lengthen service life.

2. Valve body

The body of LN8 series control valves consists of two passages from upper and lower, forming a shape like letter "S". The design of an elliptical section reduces the flow resistance and turbulent flow to keep the flow fluent. The flap in the middle of upper passage can reduce the eddy flow and increase the flow capacity.


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Hoyee a senior valve manufacturer with own brand, and specialized in researching and producing various of process control valve in the fields of industrial automation process control system and on-site implementation instrument. 

As a Hi-Tech Enterprise, Grat owns a number of new product patents such as flow control valve and positioning device of electric actuator, which are popular with customers in the market. Our advanced technology and superior product quality not only provides excellent products to our customers, but also sustainability creates unlimited value for our customers. 


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Packing Details: Wooden box and plywood case, standard export  packing.
In addition that we can  design and pack as your request.
Delivery Details : Shipped in 5-15 days after payment.

 

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1. Manufacturer

We are manufacturer of control valve for 16 years, our factory is located in Shaoguan, which in the north of Guangdong Province. We offer OEM/ODM service, and also we have our own band "boilz" and "JXBLZ". Our products has won the trust from the customer as our high qulity and good after-sales.

2. High quality

In early days, 15 years ago, we introduce a full set of control valve production technology from Germany. We've been the OEM suplier for German brand valve. It just cost you 50% price to buy the same type same technical standard products compared with German products. Boilz stick to the concept of 'Quality First, Credit Uppermost, products has been certified by CE, CQC, TUV, ISO14001,etc.

3.Good After-sales

Our sales will reply you as soon as possible for any question about valves.  We will track the customer product usage, if customer find any problem, our engineer will follow up at first time. For the accessories, we offer the best price.

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 Mail address:Infor@hoyeevalve.com
 Website:
www.hoyeevalve.com

   



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