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VCCA series
Fully Welded Check Valve

카테고리

  • UHP | Valves | Check Valves | VCCA

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  • Dimensions
  • How To Order
  • Specification
  • Features

Dimensions

 

Part No.End ConnectionDimensions (mm)
InletOutletAB
VCCAU-04T-1/4" UNILOK49.822.2
C-04M-1/4" Male UCR45.722.2
C-08M-1/2" Male UCR52.326.9
C-04F-1/4" Female UCR61.722.2
C-08F-1/2" Female UCR61.726.9
WB-04T-1/4" Tube Butt Weld31.522.2
WB-06T-3/8" Tube Butt Weld31.522.2
WB-08T-1/2" Tube Butt Weld31.526.9

How To Order

UNILOK VCCA series valves are ordered by part number as shown below.

Example : The following part number,VCCA-04M LV-EP is designated for Clean Check Valve, both 1/4" Male UCR, 316L VAR, EP


VC CA C - 04M - LV - EP -  
UNILOK
Clean Valves
Valve
Type
Connection
Type
Connection
Size
Material Surface
Finish Level
Seal Material
Valve TypeConnection SizeMaterials
CAVCCA Check ValveFractional(Inch) Tube O.D. DesignationLV316L VAR
  Tube
O.D.
inch1/43/81/2LF316L SEMI F20
Connection Typemm6.359.5212.70SL316LSS
UUNILOK Tube FittingDesignator04T06T08T
C-*MMale UCRSurface Finish Level
C-*FFemale UCRUCR Size DesignatorBABA - Bright Annealing
WB-Butt Weld -TubeUCR Size1/41/2EPEP - Electro Polished
UCR - Metal Face SealDesignator0408
Seal Material
NoneFKM
KFFKM
EEthylene propylene

Specification

Size 1/4“ UCR 1/4” Butt Weld 3/8”, 1/2"
Cv Value 0.7 0.55 0.7
Max. Working Pressure FKM 3000 psig (206 bar)
FFKM 1000 psig (68 bar)
Max. Working
Temperature
-10~80°C (14~176°F)
Nominal
Cracking Pressure
2 psig (0.14 bar)
Reseal Pressure 2 psig (0.14 bar)
External Leakage
Allowance - He
(Holding Time - Min 1 min)
1x10-9 atm.cc/s
VCCA Series Check Valve not operated for a certain period of time,
initial crack pressure may be higher than the nominal cracking pressure.

Features

Fully welded and compact designed body with minimal dead space Body material comply with SEMI F-20, “Specification 316LSS Materials for UHP (Ultra High Purity) Grade Semiconductor Manufacturing Applications” Hastelloy® spring material with high corrosion resistance Noise free operation Broaden choice of end connection. 

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