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VN5 series
Straight Pattern, Both UNILOK Tube Fittings or Both Female or Male Threads

Category

  • Instruments | Valve | Integral Bonnet Needle Valves
  • Dimensions
  • How To Order
  • Pressure - Temperature Ratings
  • Features

Dimensions

 

Part No.End Connections "T"OrificeCVDimensions (mm)Panel
Hole
Drill
Size
InletOutletLIhh1Round Handle
H(open)W
VN51U-02T-1/8" UNILOK2.00.0949.324.911.27.957.925.411.9
U-M03T-3mm UNILOK49.324.912.2
F-02N-1/8" Female NPT47.823.911.9
M-02N-1/8" Male NPT38.119.1
VN52U-04T-1/4" UNILOK4.30.3756.328.29.59.265.934.713.5
U-M06T-6mm UNILOK56.828.4
U-M08T-8mm UNILOK59.029.5
F-02N-1/8" Female NPT42.021.0
M-02N-1/8" Male NPT41.220.6
M-04N-1/4" Male NPT50.025
VN53U-06T-3/8" UNILOK6.30.7367.833.912.513.580.646.720.0
U-08T-1/2" UNILOK73.236.6
U-M10T-10mm UNILOK67.433.7
U-M12T-12mm UNILOK73.436.7
F-04N-1/4" Female NPT54.027.0
M-06N-3/8" Male NPT53.026.5
MF-04N-1/4" Male NPT1/4" Female NPT53.526.5
VN54U-08T-1/2" UNILOK7.21.8083.241.617.017.097.055.523.0
U-12T-3/4" UNILOK83.241.6
F-06N-3/8" Female NPT60.030.0
F-08N-1/2" Female NPT65.032.5
M-08N-1/2" Male NPT66.033.0
MF-08N-1/2" Male NPT1/2" Female NPT66.033.0
VN55U-16T-1" UNILOK12.73.2099.249.620.020.086.7*85*29.0
F-12N-3/4" Female NPT75.037.5
F-16N-1" Female NPT89.044.587.2*
* Dimensions for bar handle. Round handle for these sizes are not available. ISO7/1 Tapered Threads (PT) are available for all fractional sizes of VN5 series valves. Add “R” as a suffix instead of “N”.

How To Order

UNILOK VN5 series needle valves are ordered by part number as shown below. 

Example: The following part number, VN52U-04T-SS is designated for VN5 series needle valve with both 1/4" UNILOK tube fitting, 316SS, round handle.


VN52U-04T-SS- - - 
UNILOK
Valve
Valve
Type
Connection
type 
Connection
Size
Body
Materials
Stem
Type
Packing
Materials
Handle
Type
Valve TypeConnection SizeBody Materials
N5Straight PatternFractional(Inch) Tube O.D. DesignationSS316SS
N5AAngle PatternTube
O.D.
inch1/81/43/81/23/41BSBrass
mm3.176.359.5212.7019.0525.40MOAlloy 400
Connection TypeDesignator02T04T06T08T12T16TOther alloys are available upon request
UUNILOK Tube Fitting
FFemale NPT or ISO7/1(PT)Metric Tube O.D. DesignationStem Type
MMale NPT or ISO7/1(PT)Tube O.D.mm68101216NoneVee Stem
WS-*TSocket Weld -TubeDesignatorM06TM08TM10TM12TM16TRRegulating Stem
WS-*PSocket Weld - PipeSSoft-seat Stem
Pipe Size Designation (NPT or ISO7/1-PT)
Pipe Size1/81/43/81/2Packing Materials
Designator02N/R04N/R06N/R08N/RNonePTFE
PKPEEK
Weld Size Designation
Tube Size1/43/81/2Handle Type
Designator04T06T08TNoneNylon Round Handle
Pipe Size1/43/81/2BBar Handle
Designator04P06P08P

Pressure - Temperature Ratings

Body
Material
StemPTFE packingPEEK packing
Temperature RatingPressure RatingTemperature RatingPressure Rating
psigbarpsigbar
316SSmetal to metal  (vee & regulating) -54~232-65~4505000345-54~315-65~6003130215
soft-seat  (Kel-F)-54~93-65~200-54~93-65~200
Brassmetal to metal  (vee & regulating)-54~204-65~4003000207-54~204-65~4003000207
soft-seat  (Kel-F)-54~93-65~200-54~93-65~200
Alloy
400
metal to metal  (vee & regulating) -54~232-65~4503000207-54~260-65~5002370162
soft-seat  (Kel-F)-54~93-65~200-54~9365~200
Packing adjustment to be required for extreme temperature variations
For the service with aromatic heat transfer fluids or concentrated sulfuric and nitric acids, PEEK is not recommended.

Working Pressure at Temperature

TemperatureWorking Pressure
psigbarpsigbarpsigbar
-54 to38-65 to100500034530002073000207
93200429029626001802640183
148300387026722101532470171
176350371025614701022430168
2044003560246740522390165
2324503430237--2380165
Materials316SSBrassAlloy 400


Number of Handle Turns - Flow Coefficient (Cv) 


 


Features


Pressure rating up to 5000 psig (340 bar) @38°C (100°F).  

Temperature rating from -53℃ (-65℉) to 232℃ (450℉). 

With standard PTFE packing, up to 315℃ (600℉). 

With PEEK packing, Compact forged body with straight and angle pattern for design of miniaturized fluid systems.

Hardened stem threads and forged body for long cycle life.

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