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Finger Valve VHK Series (VHK2-03S-03S)

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On Sale Till 31/03/2025

SMC

Finger Valve VHK Series that makes it easy to distinguish between 2-port valves and 3-port valves by the color of the knobs.
[Features]
· Poppet valve construction that rarely suffers from seal defects.
· The direction of the knob clearly indicates whether the valve is open or closed.

(i)Caution

See catalog for specification details.
Product images may be representative images. Refer to the catalog for details.

Part Number

Configured Part Number is shown.

VHK2-03S-03S

Product Specifications
Part Numbers
Catalog

Finger Valve VHK Series Example Details

Finger Valve VHK Series product image

Finger Valve VHK Series Flame-Retardant Type product image

Finger Valve VHK Series Specifications

Valve	2/3 port valves
Applicable fluids	Air
Proof pressure	1.5 MPa
Max. operating pressure Note 1)	1.0 MPa
Operating vacuum pressure*	-100 kPa
Ambient temperature and working fluid temperature	0 to 60°C
Compatible tubing material Note 2)	Nylon, soft nylon, polyurethane
Accessories (options)	Bracket

*Note 1) Please note that when the valve is used at micro-pressures of 0.1 MPa or less, valve leakage may exceed the standard value (5 cm³/min).
*Note 2) Use caution at the maximum operating pressure when using soft nylon or polyurethane tubing.
*Use VHK2 (2 port valve) for vacuum applications.

Structural drawing

2 Port Valve / VHK2 Series Structural Drawing

3 Port Valve / VHK3 Series Structural Drawing

Component Parts

Number	Part name	-	Material	Note
1	Body	Standard type	PBT	-
1	Body	Flame-retardant type	Flame-retardant PBT (UL standard V-0)	-
2	Knob	Standard type	POM	-
2	Knob	Flame-retardant type	Flame-retardant PBT (UL standard V-0)	-
3	Cover	Flame-retardant CR (UL standard V-0)		Applicable to the flame-retardant cover only
4	Cam ring	POM		-
5	Stem	POM		-
6	Spring guide	Brass Electroless nickel plated		-
7	Spring	Stainless steel		-
8	Seal	NBR		-
9	O-ring	NBR		-
10	Valve	NBR		-
11	Cassette	Standard type	POM	-
11	Cassette	Flame-retardant type	Flame-retardant PBT (UL standard V-0)	-

Replacement parts

Part name			Model
			· One-touch fittings, compatible tubing outer diameter: ø8 (8‑mm outer diameter) or less	· One-touch fittings, compatible tubing outer diameter: ø10 (10‑mm outer diameter) or more · 1 (P): Male thread / 2 (A): Male thread Port size R3/8 or more
			Part number
Knob	Standard type	Gray	24316
		Blue	24316-1
		Red	24316-2
	Flame-retardant type	Gray	24316-3
		Blue	24316-4
		Red	24316-5
Bracket assembly ^{Note 1)}			VHK-B1A	VHK-B2A

*Note 1) The bracket, bolts, nuts and washers are supplied with the bracket assembly.

Model Number Notation

Model number example

Finger Valve VHK Series Example Dimensions

1 (P) / 2 (A): One-Touch Fitting

(Unit: mm)

1 (P) / 2 (A): One-Touch Fitting dimensional drawing

Model	Compatible tubing outer diameter mm		H	L1	L2	L3	L4	L5	L6	M1	M2	Q
	Compatible tubing outer diameter mm
	1(P)	2(A)
VHK□-04F-04F	4	4	18	41	47.6	23.8	23.8	16.5	3.5	15.8	15.8	11
VHK□-06F-04F	6	4	18	41	48	24.3	23.7	16.5	3.5	16.8	15.8	11
VHK□-06F-06F	6	6	18	41	48.6	24.3	24.3	16.5	3.5	16.8	16.8	11
VHK□-08F-06F	8	6	18	41	50.5	26.2	24.3	16.5	3.5	18.7	16.8	11
VHK□-08F-08F	8	8	18	41	52.4	26.2	26.2	16.5	3.5	18.7	18.7	11
VHK□-10F-08F	10	8	22	46	58.5	30.5	28	21.5	4	20.8	18.7	14
VHK□-10F-10F	10	10	22	46	61	30.5	30.5	21.5	4	20.8	20.8	14
VHK□-12F-10F	12	10	22	46	62	31.5	30.5	21.5	4	21.8	20.8	14
VHK□-12F-12F	12	12	22	46	63	31.5	31.5	21.5	4	21.8	21.8	14

Model	Flow rate characteristics						Weight g	Bracket Mounting
	1(P) → 2(A)			2 (A) → 3 (R)^*1				Bracket assembly No.	C	D	E	F	G	J	K
	C (dm / [s·bar])	b	Cv	C (dm / [s·bar])	b	Cv		Bracket assembly No.	C	D	E	F	G	J	K
VHK□-04F-04F	0.7	0.15	0.14	0.25	0.6	0.06	15	VHK-B1A	44.5	14.5	1	27	22	16.5	26
VHK□-06F-04F	1.0	0.15	0.21	0.25	0.6	0.06	15	VHK-B1A	44.5	14.5	1	27	22	16.5	26
VHK□-06F-06F	1.4	0.15	0.35	0.25	0.6	0.06	16	VHK-B1A	44.5	14.5	1	27	22	16.5	26
VHK□-08F-06F	2	0.15	0.36	0.25	0.6	0.06	16	VHK-B1A	44.5	14.5	1	27	22	16.5	26
VHK□-08F-08F	1.9	0.15	0.39	0.25	0.6	0.06	17	VHK-B1A	44.5	14.5	1	27	22	16.5	26
VHK□-10F-08F	2.7	0.15	0.55	0.67	0.6	0.16	28	VHK-B2A	49	17	1	30	25	21.5	31
VHK□-10F-10F	3.1	0.15	0.65	0.67	0.6	0.16	29	VHK-B2A	49	17	1	30	25	21.5	31
VHK□-12F-10F	3.3	0.15	0.68	0.67	0.6	0.16	31	VHK-B2A	49	17	1	30	25	21.5	31
VHK□-12F-12F	3.4	0.15	0.70	0.67	0.6	0.16	32	VHK-B2A	49	17	1	30	25	21.5	31

*13 port valve

Flame-Retardant Type: 1 (P) / 2 (A): One-Touch Fitting

(Unit: mm)

Flame-Retardant Type 1 (P) / 2 (A): One-Touch Fitting dimensional drawing

Model	Compatible tubing outer diameter (mm)		H	L1	L2	L3	L4	L5	L6	L7	Q	M1	M2	Weight g
	Compatible tubing outer diameter (mm)
	1(P)	2(A)
VHK□R-04F-04F	4	4	18	41	47.6	23.8	23.8	16.5	3.5	51.6	11	15.8	15.8	15
VHK□R-06F-06F	6	6	18	41	48.6	24.3	24.3	16.5	3.5	52.6	11	16.8	16.8	16
VHK□R-08F-08F	8	8	18	41	52.4	26.2	26.2	16.5	3.5	56.4	11	18.7	18.7	17
VHK□R-10F-10F	10	10	22	46	61	30.5	30.5	21.5	4	65	14	20.8	20.8	29
VHK□R-12F-12F	12	12	22	46	63	31.5	31.5	21.5	4	67	14	21.8	21.8	32

Model	Flow rate characteristics						S	Bracket Mounting
	1(P) → 2(A)			2(A) →3 (R)				Bracket assembly No.	C	D	E	F	G	J	K
	C (dm / [s·bar])	b	Cv	C (dm / [s·bar])	b	Cv		Bracket assembly No.	C	D	E	F	G	J	K
VHK□R-04F-04F	0.4	0.15	0.14	0.25	0.6	0.08	ø14.4 (diameter 14.4 mm)	VHK-B1A	44.5	14.5	1	27	22	16.5	26
VHK□R-06F-06F	1.4	0.15	0.35	0.25	0.6	0.08	ø16.8 (diameter 16.8 mm)	VHK-B1A	44.5	14.5	1	27	22	16.5	26
VHK□R-08F-08F	1.9	0.15	0.39	0.25	0.6	0.08	ø19.2 (diameter 19.2 mm)	VHK-B1A	44.5	14.5	1	27	22	16.5	26
VHK□R-10F-10F	3.1	0.15	0.65	0.67	0.6	0.21	ø23.3 (diameter 23.3 mm)	VHK-B2A	49	17	1	30	25	21.5	31
VHK□R-12F-12F	3.4	0.15	0.70	0.67	0.6	0.21	ø25.7 (diameter 25.7 mm)	VHK-B2A	49	17	1	30	25	21.5	31

: 30; 45; 60

Part Number
VHK2-03S-03S

Part Number	Standard Unit Price	Minimum order quantity	Volume Discount	Days to Ship	Number of Ports	Connecting Tube Diameter	Pipe Port Type	Plumbing Thread Nominal	Effective Sectional Area (mm²)	Effective Sectional Area【classification】 (mm2)	How to Mount	Piping port 2 specifications	Knob color	Flame-retardant cover	Detailed type
	SGD 34.30	1 Piece(s)		32 Day(s)	2-Port	-	Rc (R)	3/8	12.18	~15	Side	R 3/8	Gray	None	Standard type

Basic Information

Main Body Shape	One-Touch Fitting Type	Number of Switching Positions	2-Position Normally Closed	Switching Operation	Knob
Plumbing Type and Direction	Direct Side Surface

Please check the type/dimensions/specifications of the part VHK2-03S-03S in the Finger Valve VHK Series series.

Configure

1 Part Numbers

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Specification/Dimensions

Connecting Tube Diameter
- Ø4
- Ø6
- Ø8
- Ø10
- Ø12
Clear
type
- VHK
- VHK□R
Clear
Number of Ports
- 2-Port
- 3-Port
Clear
Pipe Port Type
- M
- Rc (R)
- One-Touch Plumbing
Clear
Plumbing Thread Nominal
- M5
- 1/8
- 1/4
- 3/8
- 1/2
Clear
Effective Sectional Area(mm²)
1.48

1.84

2.58

3.14

3.87

5.35

6.46

6.64

6.83

7.2

8.67

10.15

10.33

11.25

11.99

12.18

12.55

12.92

13.10

14.39

15.68
Clear
Effective Sectional Area【classification】(mm2)
5 or Less

~10

~15

~20
Clear
How to Mount
- Side
- Bottom
Clear
Piping port 2 specifications
- R 1/2
- R 1/4
- R 1/8
- R3 / 8
- R 3/8
- One-touch (ø4)
- M5
- One-touch (ø6)
- One touch (φ6)
- One-touch (ø8)
- One touch (φ8)
- One-touch (ø10)
- One touch (φ10)
- One-touch (ø12)
Clear
Knob color
- Blue
- Gray
- Red
Clear
Flame-retardant cover
- None
- With cover
Clear
Detailed type
- Flame-retardant type
- Standard type
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

Same day

21 Day(s) or Less

31 Day(s) or Less

32 Day(s) or Less

51 Day(s) or Less
Clear

Specify Alterations

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

Similar Part Numbers

Part Number
VHK2-01S-01SRL
VHK2-01S-04F
VHK2-01S-04FL
VHK2-03S-03SL
VHK2-03S-03SR
VHK2-03S-03SRL

Standard Unit Price	Minimum order quantity	Days to Ship	Number of Ports	Connecting Tube Diameter	Pipe Port Type	Plumbing Thread Nominal	Effective Sectional Area (mm²)	Effective Sectional Area【classification】 (mm2)	How to Mount	Piping port 2 specifications	Knob color	Flame-retardant cover	Detailed type
-	1 Piece(s)	Quote	2-Port	-	Rc (R)	1/8	6.46	~10	Bottom	R 1/8	Red	None	Standard type
SGD 26.72	1 Piece(s)	32 Day(s)	2-Port	-	Rc (R)	1/8	3.14	5 or Less	Side	One-touch (ø4)	Gray	None	Standard type
-	1 Piece(s)	Quote	2-Port	-	Rc (R)	1/8	3.14	5 or Less	Bottom	One-touch (ø4)	Gray	None	Standard type
SGD 40.02	1 Piece(s)	32 Day(s)	2-Port	-	Rc (R)	3/8	12.18	~15	Bottom	R 3/8	Gray	None	Standard type
SGD 34.30	1 Piece(s)	32 Day(s)	2-Port	-	Rc (R)	3/8	12.18	~15	Side	R 3/8	Red	None	Standard type
-	1 Piece(s)	Quote	2-Port	-	Rc (R)	3/8	12.18	~15	Bottom	R 3/8	Red	None	Standard type

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Finger Valve VHK Series (VHK2-03S-03S)

(i)Caution

Finger Valve VHK Series Example Details

Finger Valve VHK Series Specifications

Structural drawing

Component Parts

Replacement parts

Model Number Notation

Finger Valve VHK Series Example Dimensions

1 (P) / 2 (A): One-Touch Fitting

Flame-Retardant Type: 1 (P) / 2 (A): One-Touch Fitting

Basic Information

Configure

Specification/Dimensions

Connecting Tube Diameter

type

Number of Ports

Pipe Port Type

Plumbing Thread Nominal

Effective Sectional Area(mm2)

Effective Sectional Area【classification】(mm2)

How to Mount

Piping port 2 specifications

Knob color

Flame-retardant cover

Detailed type

CAD

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Effective Sectional Area(mm²)