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Check Valve
Model Name
SFCV Series
Data
-
Manufacturer information
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Eunha Air Tech

Air dryer, Pressure vessel, Storage tank, Energy saving device and more

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Manufacturer
Eunha Air Tech
Brand
-
SKU
54105
Product Name
Check Valve
Model Name
SFCV Series
Size
-
Weight
-
Product Details

ㆍFeatures The check valve has supplemented the defects of other products from other supplier and therefore has solved the problem of pressure drop due to valve breakage and malfunction or an unstable dew point. The valve is a self-made product. 

ㆍProblems of each type 

Type Problems
DUAL
PLATE
* Breakage due to a deteriorated swing;
* Malfunctions due to abrasion between the connection hole and the pin and disc;
* ΔP due to a narrow open area.
SWING

* Enlarged discs due to the long distance between the sides; bigger size and wear can be made due to the

impact between the connection drive connecting disc with the body and thus making the product malfunction.

Close running may produce impact that could break the arm.

DISC
PLATE

* The horizontal piping connection may produce not only fluid force that

pushes when disc plate is connected to the body guide but also return the spring’s

repulsive power to abrade the guide and to malfunction.

DISC
PLATE
SPRING
RETURN
* The horizontal piping connection may produce deflection due to the weight of the disc at the bottom that connects to the shaft cylinder causing it to malfunction.

 

ㆍProduction Specification 
Size: 50A to 250A
Highest working pressure (standard): 10 ㎏/㎠
Highest working temperature: 300 ℃
Material: BODY — SCS13
 DISC — SCS13
 BUSH — ALBC3
 SHAFT — STS304
Warranty period: 4 years  
 

Eunha Air Tech
Air dryer, Pressure vessel, Storage tank, Energy saving device and more
In 1977, Eunha Air Tech established the first domestic plant in Korea for the production of compressed air dryers. Since its founding in 1977, Eunha Air Tech has gone on to produce the highest-quality air dryers and H2 gas dryers in the world, and through continuous development and improvement of technology we have won the recognition of customers as the company offering the best quality. In 1990, Eunha started manufacturing and supplying an ultra-low dew point air dryer (-100℃ or below), becoming the top-ranked manufacturer of compressed air dryers for semiconductor and LCD production. We at Eunha Air Tech have been continuously investing in our products and developing technology, taking pride in producing the best-quality products while offering customers the guarantee of a four-year mechanical performance warranty. In addition, we have developed an ultra-low dew point (-90℃ or below) non-purge-type regenerative air dryer for energy efficiency, and were the first in the world to operate it successfully.  With your ongoing patronage and support as our inspiration, Eunha Air Tech is committed to engaging in continuous technological research and development, in order to produce the best quality air dryer products, free of defects. We look forward to designing a future together with you, bolstered by your kind encouragement and constructive feedback.
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