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VCDBL series
Block Type Low Pressure Diaphragm Valve - Manual Operation & Pneumatic Actuating Operation

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  • UHP | Valves | Diaphragm Valves
  • Dimensions
  • How To Order
  • Specification
  • Features

Dimensions


 

Manual Operation
Part No.End ConnectionDimensions (mm)
InletOutletABCDhHL
VCDBLC-FP1A-04MR-1/4" Swivel Male UCR61.026.930.362.314.373.8119.0
C-04F-1/4" Female UCR
WB-04T-1/4" Tube Butt Weld
Pneumatic Actuating Operation
Part No.End ConnectionDimensions (mm)
InletOutletABCDhHL
VCDBLC-FP3-04MR-1/4" Swivel Male UCR61.026.930.377.014.386.1143.6
C-04F-1/4" Female UCR
WB-04T-1/4" Tube Butt Weld

How To Order

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


VCDBLC- -04M-PCR- -SL-EPH-S001-PI

Industry
Sector

Valve Type

Connection
Type

Flow Path
Pattern

Connectin
Size

Connectin Type
(In detail)

Operation
(Operation Type)

Handle &
Label Color

Bleed
Option

Material

Surface
Finish Level

Option-2 (Open/Close Color)

Option-3
(Body Part Overall Length, Bracket Hole Position)

Option-4
(Seat Material)
①Type Handle & Label Color

Option-3

(Body Part Overall Length, Bracket Hole Position)

VCUHPRRed
GGreenNone

Standard Length

Valve TypeBBlackS001 /
KZ / 1
Low Pressure FP1A-(M : 39.15(139)/37.55),
Bracket Hole Position(15,40)
DBLBlock Low PressureVSilver
DBHBlock High PressureWWhiteLow Pressure FP1B-(F : 23.5(107.6)/22),
Bracket 
Hole Position(15,40)
SSky Blue
Connection TypeLow Pressure FP3-(F : 30.4(60.4)/25.6(77)),
Bracket Hole Position(15,40)
UUnilok Tube Fitting Material
CUHP UCR FittingDM316LSS - SEMI F20High Pressure FP3-(F : 30.4(60.8)/25.6(77)),
Bracket 
Hole Position(18,50)
WBButt WeldSL316LSS
S002 /
FN / 2
Low Pressure FP3-(F : 30.4(60.8)/25.6(77)),
Bracket Hole Position(18,18)
Connectin Size Surface Finish Level
041/4"BABright AnnealingHigh Pressure FP3-(F : 30.4(60.8)/25.6(77)),
Bracket 
Hole Position(18,50)
EPElectro Polished
Connectin Type (In detail)S007Low Pressure FP1A-(F : 21.2(103.4)/35.7),
Bracket 
Hole Position(18,18)
TTube(U-**T, WB-**T)Option-2 (Open/Close 색상)
MMale UCR(C-**M)NoneOpen-Red, Close-Blue
FFeale UCR(C-**F)HOpen-Blue, Close-RedOption-4(Seat Material)
MRRotable Male UCR(C-**MR)NonePCTFE(-10~80°C)
PI / VPI / VESPEL(-10~150°C)
Operation (Operation type)
PFA / FPFA(-10~150°C)
None / MManual Indicator Handle
POPneumatic - Normal Open
PCPneumatic - Normal Close
POCBlock Type Pneumatic 1-N.O. 2-N.C.
PCOBlock Type Pneumatic 1-N.C. 2-N.O.

 

Specification

Size1/4"3/8", 1/2"
Orifice Size4.36.5
Cv Value0.30.7
Max. Working Pressure10 bar (145 psig)
Max. Working Temperature-10~80°C(14~176°F)
Actuator Pressure Rating5~7 bar (73~101 psig)
Internal Leakage
Allowance - He
(Holding Time - Min 30 sec)
≤1x10-9 atm.cc/s
External Leakage
Allowance - He
(Holding Time - Min 1 min)
≤1x10-9 atm.cc/s

Features

A compactly designed body with minimal dead space. 

Body materials comply with SEMI F-20, “Specification for 316LSS Materials for UHP (Ultra High Purity) Grade Semiconductor Manufacturing Applications” 

Maximum flow capacity

Minimal particle generation

Minimal contributions of moisture, oxygen and hydrocarbon with UNILOK’s own special cleaning process in a certified clean room

Excellent finish level of wetted areas with UNILOK’s own electro polish process

Elgiloy® diaphragm material with strong durability as well as corrosion resistance for long cycle life

PCTFE seat material with remarkable chemical and thermal resistance

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