Product Made In Japan
Manufacturer: IHARA SCIENCE CORPORATION
Model: VB 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 series	Max. working Pressure MP “a*	Working Temp, range °C	Type & size of end Connections
			BI-LOK	Pipe Thread	Socket Weld
VBM	6.9 @38 °C	-30〜120	1/4″	—	—
*VB*”	20.5 @38 °C	-10-(120)230	1/8”—3/4、¢6-12	1/8—1/2	—
VN	24.5 @38 °C	-10-230	1/8″—1/2″, ^6-12	1/8—1/2	1/4-1/2
VNN	24.5 @38 °C	-10-150	1/8″—1/2 二”-12	1/8—1/2	1/4-1/2
VE	6.9 @38 °C	-10-100	一	1/4—1/2	—
VET	1 @38°C	-10-100	一	1/4—378	—
VQ	2.9 @38 °C	-10-100	1/4–3/8″	1/4—378	—
VH	24.5 @38 °C	-10-400	1/4–1/2″ 收6-12	1/4—1/2 ”-12	1/4-1/2 夕 6-12
VC	10.3 @38 °C	-196-120	一	1/8—1/2	1/8-1/2

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

②Metric BI-LOK End

Symbol	6M	8M	10M	12M
Size	6mm	8mm	10mm	12mm

③Pipe Thread or Socket Weld End

Symbol	2	4	6	8	12	16
Size	1/8B	1/4B	3/8B	1/2B	3/4B	1B

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

VB＊Series

Specification

Max.Working Pressure:20.5MPa @ 38℃
Working Temperature range : Metal Seal Stem : 一10〜230℃ (Valve Series ： VBE.VBD.VBN) Soft Seal Stem ：-10~120℃ (Valve Series ： VBS)
Lubricant Silicon base, Fluorocabon base
Flow Coefficient		VBE	VBD	VBS	VBN
Orifice	2.0mm	0.06	0.06	0.06	0.06
	4.3mm	0.3	0.3	0.3	0.3
	6.3mm	0.7	0.8	0.8	0.7
	9.5mm	1.8	1.8	1.8	1.5

VB＊

 

Ｅ：Vee Type Stem
Ｎ：Needle Type Stem
Ｓ：Soft Seal Type Stem
Ｄ：Disk Type Stem

Materials

Dimension

Dimensions BI-LOK End

Part No.	Tube O.D		Orifice size mm	Dimensions mm
	6A			L	Li	F	H	Hi	H2	h	hi	B	C	G	Gi	t	W
	in	mm																E	M
VB*-2D-S	1/8	3.18	2	25	18.3	13	56	2.5	10.5	10	6.5	17.5	11.1	17.46	14.29	M12	38	16	M3xO.J
VB*-4D-S	1/4	6.35	4.3	28.9	21.4	15.4	60	3	10.5	12	6.5	17.5	14.29	19	17.46	M14	38	16	M3xO.J
VB*-6D-S	3/8	9.53	6.3	32.9	25.4	17	71	4	13.5	14.5	6.5	20.6	17.46	23.81	20.64	M18	48	19	M4x0./
VB*-8D-S	1/2	12.7	6.3	35.7	25.4	23	71	4	14.5	14.5	6.5	20.6	22.23	23.81	20.64	M18	48	19	M4x0./
VB*-12D-S	3/4	19.05	9.5	48.4	38.1	24.6	87.5	6	19.5	20	6.5	31.8	28.58	31.75	28.58	M24	62	25	M5x0.€
VB*-6MD-S	—	6	4.3	29.7	22.2	15.4	60	3	10.5	12	6.5	17.5	14	19	17.46	M14	38	16	M3xO.J
VB*-8MD-S	—	8	4.3	29.7	22.2	16.3	60	3	10.5	12	6.5	17.5	17	19	17.46	M14	38	16	M3xO.J
VB*-10MD-S	—	10	6.3	33.2	25.4	17.3	71	4	14.5	14.5	6.5	20.6	19	23.81	20.64	M18	48	19	M4x0./
VB*-12MD-S	—	12	6.3	35.6	25.4	22.9	71	4	14.5	14.5	6.5	20.6	22	23.81	20.64	M18	48	19	M4x0./

Dimensions Pipe tapered End

Part No.		T (RC)	Orifice size mm	Dimensions mm
				L	H	Hi	H2	h	hi	B	G	Gi	t	W	E	M
Rc	NPT
VB*-2RF-S	VB*-2NF-S	1/8	2	20.6	60	3	13.5	12	6.5	20.6	19	17.46	M14	38	19	M4x0.7
VB*-4RF-S	VB*-4NF-S	1/4	4.3	27	71	4	14.5	14.5	6.5	20.6	23.81	20.64	M18	48	19	M4x0.7
VB*-6RF-S	VB*-6NF-S	3/8	6.3	27	71	4	14.5	14.5	6.5	23.8	23.81	20.64	M18	48	19	M4x0.7
VB*-8RF-S	VB*-8NF-S	1/2	9.5	38.1	87.5	6	19.5	20	6.5	31.8	31.75	28.58	M24	62	25	M5x0.8

Bottom Maunting（Option）：Symbol Mark“BT”example：VBE－4D－S－BT