IHARA VN Series Needle Stop Valves

Product Made In Japan
Manufacturer: IHARA SCIENCE CORPORATION
Model: VN Series

Features

316 STAINLESS STEEL BODY STANDARD
PRESSURE TO 24.5 MPa
WIDE TEMPERATURE RANGE -196~230℃
CHOICE OF STEM DESIGNS(FOR VB VALVE SERIES)
STRAIGHT AND ANGLE PATTERN
100% FACTORY TESTED

Stop Valve Series

Valve Specifications Table

 

Valve seriesMax. working Pressure MP “a* Working Temp, range °CType & size of end Connections
BI-LOKPipe ThreadSocket Weld
VBM6.9 @38 °C-30〜1201/4″
*VB*”20.5 @38 °C-10-(120)2301/8”—3/4、¢6-121/8—1/2
VN24.5 @38 °C-10-2301/8″—1/2″, ^6-121/8—1/21/4-1/2
VNN24.5 @38 °C-10-1501/8″—1/2 二”-121/8—1/21/4-1/2
VE6.9 @38 °C-10-1001/4—1/2
VET1 @38°C-10-1001/4—378
VQ2.9 @38 °C-10-1001/4–3/8″1/4—378
VH24.5 @38 °C-10-4001/4–1/2″ 收6-121/4—1/2 ”-121/4-1/2 夕 6-12
VC10.3 @38 °C-196-1201/8—1/21/8-1/2

The valve series symbol for the VB series varies depending on the stem shape. For details, please refer to pages 2 and 3. *Please contact sales when ordering for applicable fluids.

 Valve Part Number Definition

V□□-□□□□-□
①    ②③④⑤    ⑥

①Inch BI-LOK End

Symbol46812
Size1/4″3/8″1/2″3/4″

②Metric BI-LOK End

Symbol6M8M10M12M
Size6mm8mm10mm12mm

③Pipe Thread or Socket Weld End

Symbol24681216
Size1/8B1/4B3/8B1/2B3/4B1B

④Outlet end Connection size IN
⑤Outlet Connection end Omitted when identical with the Inlet Port.
⑥Style of body :Straight type / A:Angle type

VNN Series

Specifications

Max. Working Pressure: 24.5MPa @ 38℃

Working Temperature Range: -10 ~ 230℃

Lubricant: Fluorocabon base

Materials

No.Part DescriptionQtyMaterial
1Body1SUS316
2Stem1SUS316
3Packing ring1SUS316
4Packing1Aramid fiber
5Packing2RF PTFE
6Gland1SUS316
7Packing nut1SUS304
8Lock nut1SUS304
9Handle1ADC12

Note: No.8 Lock nut is option.

Dimensions BI-LOK End

Part No.Connect sizeOrifice size mmDimensions mmCv
CALLiFHHihhiBCGG1tWEM
inmm
VN-2D-S1/83.18231.725138261382211.112424M205718M4x0.70.1
VN-4D-S1/46.353.532.52515.48261382214.292424M205718M4x0.70.2
VN-6D-S3/89.53532.525178261382217.462424M205718M4x0.70.6
VN-8D-S1/212.77.539.329239781682422.232727M227020M4x0.71.0
VN-6MD-S63.532.52515.482613822142424M205718M4x0.70.2
VN-8MD-S84.532.52516.382613822172424M205718M4x0.70.5
VN-10MD-S106.332.82517.382613822192424M205718M4x0.70.6
VN-12MD-S127.539.22922.997816824222727M227020M4x0.71.0

Dimensions Pipe thread End

PartTOrifice size

Dimensions mm

No.(Rc)mmLHHihhiBDGGitWEM
VN-4RF-S4-Jan52997816824232727M227020M4x0.7
VN-6RF-S8-Mar632.599818832322727M227025M5x0.8
VN-8RF-S2-Jan7.13599818832322727M227025M5x0.8
Bottom Maunting(Option):Symbol Mark“BT”example:VN-4D-S-BT
Panel Maunting Lock Nut(Option):Symbol Mark“P”example:VN-4D-S-P

Dimensions Socket Weld End

Part No.Connect size (in)Connect size (mm)Orifice size (mm)L (mm)L2 (mm)D (mm)
N-2PSW-1/8B1/8115291223
N-4PSW-1/4B1/414.35291223
N-6PSW-3/8B3/817.8632.51332
N-8PSW-1/2B1/222.27.1351332

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