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zhejiang liyongda refrigeration machine co.,ltd
zhejiang liyongda refrigeration machine co.,ltd  

Gold Index: 11716

You are here: home  > compressor service valve  > Pressure retaining valve Constant pressure valve

Pressure retaining valve Constant pressure valve 

Price: 300.0 USD 
Payment Terms: T/T,L/C,D/A,D/P 
Place of Origin: Zhejiang, China (Mainland) 
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Product Detail

Model No.: Liyongda
Production Capacity: 5000 Piece/Pieces per Month
Delivery Date: 7days
Standard or Nonstandard: Standard
Structure: Control
Temperature of Media: Low Temperature
Material:: Ductile cast iron
Means of Transport: Ocean,Land,Air
Packing: carton box /pallet
Power: Manual
Pressure: High Pressure
Material: Casting
Media: Gas

The valve which is called Constant pressure valve,
which is used for screw compressor.
Smooth running
Steady Performance

Pressure maintenance valve of non-adjustable screw unit


Basic product information :

Product name

Constant pressure valve

Test pressure

4.5Mpa

 

Check seal test pressure

0.2Mpa(Reverse inlet)

Open pressure difference

0.36-0.5(±0.03)Mpa

Temperature arrangement

-30°C +150°C

Suitable medium

R22. R507. R407C. R410A  etc. Refrigerants and other refrigerating oil;

Company information

 

We are specialized in Semi-hermetic compressor ,HVAC pipe valve,like ammonia valve ,Bitzer/carrier/copeland compressor service valve since 1992 .Passed CE,SGS,TUV,ISO9001 certificate . Product exports Italy ,USA,Singapore and other countries.

 


Specifications

Model

H

H1

H2

L

L1

ΦA

1"

BYF-25

172.5

146.5

65

91

24.5

Φ28.8

1.5"

BYF-25

285.5

234.5

118

136

35

Φ49

2"

BYF-25

289.5

235.5

123.5

147.5

40

Φ55

2.5"

BYF-25

353

288.5

130

164.5

40

Φ80

3"

BYF-25

408.5

349.5

158

173.5

40

Φ80.5

4"

BYF-25

456.5

381.5

161.5

203

50

Φ106

5"

BYF-25

321.5

461.5

161

277

45

Φ134



Note:

1.External balance tube should used by metal tube, which the diameter is greater than 4mm above,to avoid any line carefully throttling effect,and make the constant pressure valve when using the opening pressure is less than the design value.

2.Inlet of constant pressure valve is perpendicular to the ground,Angle shall not be more than 15dgresss.

3.Ensure the installation and the system to prevent impurities will be constant pressure valve thumb jammed and damaged seals,constant pressure valve failure.

More products:

Order Method:

Liyongda refrigeration machinery co.,ltd is a large general valve manufacturer in China. Different valve products, models, materials and technology requirements.The price of the specific products is subject to the real-time inquiry. Please contact and consult the buyer before placing the order.

company information:

certificate:

Contact us:

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skype Ms. Lucy .LV
manager
Tel: 86-575-86781019
Mobile: 180 7222 6031
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Company Info

zhejiang liyongda refrigeration machine co.,ltd [China (Mainland)]


Business Type:Manufacturer
City: Shaoxing
Province/State: Zhejiang
Country/Region: China (Mainland)

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