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Union Y KQ2U: One-Touch Fitting KQ2 Series

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One-touch fitting by SMC.
[Features]
· Improved tube insertion and removal.
· Compact, lightweight.
· Can be used in vacuum to -100 kPa.
[Applications]
· Use to branch tubing in the same direction.

(i)Caution

Please refer to the catalog for detailed specifications and materials.
Product images may be representative images. Refer to the catalog for details.

Part Number

Configured Part Number is shown.

Product Specifications
Part Numbers
Catalog

Union Y: KQ2U Outline Drawing And Dimensions

Union Y: KQ2U Outline Drawing

Metric Size Type

Applicable Tubing: Metric Size, Connection Thread: M, R, Rc

Applicable tubing outer diameter mm	Model	øD^Note)	L₁	L₂	P	M	Q	øO	øN	Effective Area mm²		Minimum Port Size	Weight g
Applicable tubing outer diameter mm	Model	øD^Note)	L₁	L₂	P	M	Q	øO	øN	Nylon	Urethane	Minimum Port Size	Weight g
ø4	KQ2U04-00A	8.2	29	18.2	8.2	13.3	5.7	6	3.2	4.2	4.2	3	2.9
ø6	KQ2U06-00A	10.4	30.1	19.4	10.4	13.3	6.8	6	3.2	13.4	10.6	4.5	4.1
ø8	KQ2U08-00A	13.2	33.2	22.3	13.2	14.2	8.7	8	4.2	25.6	17.7	6	7.4
ø10	KQ2U10-00A	15.9	37.1	25	15.9	15.6	10.1	8	4.2	40	28.4	7.5	11.2
ø12	KQ2U12-00A	18.5	41.1	27.8	18.5	17	11.4	8	4.2	57.4	45.4	9	16.4
ø16	KQ2U16-00A	23.8	51.5	35	23.8	20.6	14	8	4.2	113	60	13	30.6

Note) øD1 represents maximum diameter.

Inch Size Type

Applicable Tubing: Inch Size Connection Thread: UNF, NPT

Applicable tubing outer diameter: inch	Model	øD^Note)	L₁	L₂	P	M	Q	øO	øN	Effective Area mm²		Minimum Port Size	Weight g
Applicable tubing outer diameter: inch	Model	øD^Note)	L₁	L₂	P	M	Q	øO	øN	Nylon	Urethane	Minimum Port Size	Weight g
ø1/8	KQ2U01-00A	7.1	28.9	18	7.1	13.3	5.2	6	3.2	3.4	2.9	3.2	2.4
ø5/32	KQ2U03-00A	8.2	29	18.2	8.2	13.3	5.7	6	3.2	4.2	4.2	4.1	2.9
ø3/16	KQ2U05-00A	9.1	29.6	18.9	9.1	13.3	6.2	6	3.2	8.4	7	4.8	3.5
ø1/4	KQ2U07-00A	11.1	30.3	20.2	11.1	13.3	7.6	8	4	14.4	12.4	6.4	5
ø5/16	KQ2U09-00A	13.2	33.2	22.3	13.2	14.2	8.7	8	4.2	25.6	17.7	8.1	7.4
ø3/8	KQ2U11-00A	15.4	36.7	24.6	15.4	15.6	9.9	8	4.2	28.8	23.8	9.6	10.4

Note) øD1 represents maximum diameter.

Metric Size One-Touch Fittings KQ2 Series Common Specifications (Reference)

Construction

KQ2 Series construction

Applicable Tubing

Tubing material	FEP, PFA, nylon, soft nylon, polyurethane
Tubing outer diameter	ø2, ø3.2, ø4, ø6, ø8, ø10, ø12, ø16

Specifications

Fluid		Air, water^{Note 1)}
Operating pressure range^{Note 2)}		-100 kPa to 1 MPa
Proof pressure (at 23°C)		3 MPa
Ambient temperature and fluid temperature		-5 to 60°C, Water: 0 to 40°C (No freezing)
Thread	Mounting section	JIS B0203 (Taper thread for piping) JIS B0205 (Metric coarse thread)
Thread	Nut section	JIS B0205 (Metric fine thread)
Seal on the threads		With sealant

Note 1) The surge pressure must be under the maximum operating pressure.
Note 2) Do not use the fittings with a leak tester or for vacuum retention because they are not guaranteed for zero leakage.

Principal Parts Materials

Body	C3604, PBT, PP, SUS 303
Stud	C3604 (thread part), SUS 303 (thread part)
Chuck	SUS 304
Guide	SUS 304
Release button	POM
Seal, O-ring	NBR
Gasket	SUS 304/NBR

Inch Size One-Touch Fittings KQ2 Series Common Specifications (Reference)

Construction

KQ2 Series construction

Applicable Tubing

Tubing material	FEP, PFA, nylon, soft nylon, polyurethane
Tubing outer diameter	ø1/8 ", ø5/32 ", ø3/16 ", ø1/4 ", ø5/16 ", ø3/8 ", ø1/2 "

Specifications

Fluid		Air, water^{Note 1)}
Operating pressure range^{Note 2)}		-100 kPa to 1 MPa
Proof pressure (at 23°C)		3 MPa
Ambient temperature and fluid temperature		-5 to 60°C, Water: 0 to 40°C (No freezing)
Thread	Mounting section	ANSI/ASME1.20.1 (NPT thread) JIS B0208 (UNF thread)
Thread	Nut section	JIS B0208 (UNF thread)
Seal on the threads		With sealant

Note 1) The surge pressure must be under the maximum operating pressure.
Note 2) Do not use the fittings with a leak tester or for vacuum retention because they are not guaranteed for zero leakage.

Principal Parts Materials

Body	C3604, PBT, PP
Stud	C3604 (thread part)
Chuck	SUS 304
Guide	SUS 304
Release button	POM
Seal, O-ring	NBR
Gasket	SUS 304/NBR

: 30; 45; 60

Part Number
KQ2U01-00A
KQ2U01-00A-X35
KQ2U02-00A
KQ2U03-00A
KQ2U03-00A-X35
KQ2U04-00A
KQ2U04-00A-X12
KQ2U04-00A-X17
KQ2U04-00A-X35
KQ2U05-00A
KQ2U06-00A
KQ2U06-00A-X12
KQ2U06-00A-X17
KQ2U06-00A-X35
KQ2U07-00A
KQ2U07-00A-X35
KQ2U08-00A
KQ2U08-00A-X12
KQ2U08-00A-X17
KQ2U08-00A-X35
KQ2U09-00A
KQ2U10-00A
KQ2U10-00A-X12
KQ2U10-00A-X35
KQ2U11-00A
KQ2U12-00A
KQ2U12-00A-X12
KQ2U12-00A-X35
KQ2U16-00A
KQ2U16-00A-X12
KQ2U16-00A-X35
KQ2U23-00A

Standard Unit Price	Minimum order quantity	Days to Ship	Packing, Material of O-Ring	Applicable Tube O.D.1 (φ)	Applicable Tube Outer Diameter 2 (φ)	Types of connection	Number of Connection Tubes (piece)	Color	Release button shape	Release button color	Custom-made specifications
MYR 17.30	10 Piece(s)	3 Day(s)	[Standard (NBR Nitrile Rubber )] NBR	1/8	1/8	-	3	White	Perfect circle	Orange	N/A
MYR 18.55	10 Piece(s)	5 Day(s) or more	[Standard (NBR Nitrile Rubber )] NBR	-	-	-	-	-	-	-	-
MYR 19.80	10 Piece(s)	3 Day(s)	[Standard (NBR Nitrile Rubber )] NBR	2	2	-	3	White	Perfect circle	Light Gray	N/A
MYR 17.30	10 Piece(s)	43 Day(s)	[Standard (NBR Nitrile Rubber )] NBR	5/32	5/32	-	3	White	Perfect circle	Orange	N/A
MYR 17.30	10 Piece(s)	43 Day(s)	[Standard (NBR Nitrile Rubber )] NBR	-	-	-	-	-	-	-	-
MYR 16.80	10 Piece(s)	3 Day(s)	[Standard (NBR Nitrile Rubber )] NBR	4	4	-	3	White	Perfect circle	Light Gray	N/A
MYR 23.38	1 Piece(s)	21 Day(s)	[Standard (NBR Nitrile Rubber )] NBR	4	4	-	3	White	Perfect circle	White	Lubricant：white petroleum jelly, release push color changeリリースブッシュ色変更
MYR 21.92	10 Piece(s)	5 Day(s) or more	[Standard (NBR Nitrile Rubber )] NBR	4	4	-	3	White	Perfect circle	Light blue	Non-grease specification, rubber material, release button color change
MYR 23.38	1 Piece(s)	21 Day(s)	[Standard (NBR Nitrile Rubber )] NBR	4	4	Tube Connection	3	Black	Perfect circle	Light Gray	Body color change
MYR 20.30	10 Piece(s)	43 Day(s)	[Standard (NBR Nitrile Rubber )] NBR	3/16	3/16	-	3	White	Perfect circle	Orange	N/A
MYR 17.50	10 Piece(s)	3 Day(s)	[Standard (NBR Nitrile Rubber )] NBR	6	6	-	3	White	Perfect circle	Light Gray	N/A
MYR 26.05	1 Piece(s)	21 Day(s)	[Standard (NBR Nitrile Rubber )] NBR	6	6	-	3	White	Perfect circle	White	Lubricant：white petroleum jelly, release push color changeリリースブッシュ色変更
MYR 22.57	10 Piece(s)	5 Day(s) or more	[Standard (NBR Nitrile Rubber )] NBR	6	6	-	3	White	Perfect circle	Light blue	Non-grease specification, rubber material, release button color change
MYR 26.05	1 Piece(s)	21 Day(s)	[Standard (NBR Nitrile Rubber )] NBR	6	6	-	3	Black	Perfect circle	Light Gray	Body color change
MYR 17.90	10 Piece(s)	43 Day(s)	[Standard (NBR Nitrile Rubber )] NBR	1/4	1/4	-	3	White	Perfect circle	Orange	N/A
MYR 19.45	10 Piece(s)	5 Day(s) or more	[Standard (NBR Nitrile Rubber )] NBR	-	-	-	-	-	-	-	-
MYR 21.10	10 Piece(s)	3 Day(s)	[Standard (NBR Nitrile Rubber )] NBR	8	8	-	3	White	Perfect circle	Light Gray	N/A
MYR 27.80	1 Piece(s)	21 Day(s)	[Standard (NBR Nitrile Rubber )] NBR	8	8	-	3	White	Perfect circle	White	Lubricant：white petroleum jelly, release push color changeリリースブッシュ色変更
MYR 30.94	10 Piece(s)	23 Day(s) or more	[Standard (NBR Nitrile Rubber )] NBR (fluorine coated)	-	-	-	-	-	-	-	-
MYR 27.80	1 Piece(s)	21 Day(s)	[Standard (NBR Nitrile Rubber )] NBR	8	8	-	3	Black	Perfect circle	Light Gray	Body color change
MYR 21.60	10 Piece(s)	43 Day(s)	[Standard (NBR Nitrile Rubber )] NBR	5/16	5/16	-	3	White	Perfect circle	Orange	N/A
MYR 23.20	5 Piece(s)	3 Day(s)	[Standard (NBR Nitrile Rubber )] NBR	10	10	-	3	White	Perfect circle	Light Gray	N/A
MYR 34.87	1 Piece(s)	21 Day(s)	[Standard (NBR Nitrile Rubber )] NBR	10	10	-	3	White	Perfect circle	White	Lubricant：white petroleum jelly, release push color changeリリースブッシュ色変更
MYR 34.87	1 Piece(s)	22 Day(s)	[Standard (NBR Nitrile Rubber )] NBR	10	10	-	3	Black	Perfect circle	Light Gray	Body color change
MYR 29.60	10 Piece(s)	3 Day(s)	[Standard (NBR Nitrile Rubber )] NBR	3/8	3/8	-	3	White	Perfect circle	Orange	N/A
MYR 28.50	5 Piece(s)	3 Day(s)	[Standard (NBR Nitrile Rubber )] NBR	12	12	-	3	White	Perfect circle	Light Gray	N/A
MYR 42.83	5 Piece(s)	21 Day(s)	[Standard (NBR Nitrile Rubber )] NBR	12	12	-	3	White	Perfect circle	White	Lubricant：white petroleum jelly, release push color changeリリースブッシュ色変更
MYR 30.00	5 Piece(s)	5 Day(s) or more	[Standard (NBR Nitrile Rubber )] NBR	12	12	-	3	Black	Perfect circle	Light Gray	Body color change
MYR 45.30	5 Piece(s)	3 Day(s)	[Standard (NBR Nitrile Rubber )] NBR	16	16	-	3	White	Perfect circle	Light Gray	N/A
MYR 46.60	5 Piece(s)	5 Day(s) or more	[Standard (NBR Nitrile Rubber )] NBR	16	-	-	-	-	-	-	-
MYR 46.60	5 Piece(s)	5 Day(s) or more	[Standard (NBR Nitrile Rubber )] NBR	16	-	-	-	-	-	-	-
MYR 16.80	10 Piece(s)	3 Day(s)	[Standard (NBR Nitrile Rubber )] NBR	3.2	3.2	-	3	White	Perfect circle	Light Gray	N/A

Basic Information

Fitting Type	Union with same diameter	Applicable Fluid	Water / Air	Body Material	PBT+PP
Types	Single-Action	Union, Equal Dia.	Union Wye	Application	Standard/Mini
Operating Temperature(°C)	-5::60

Configure

32 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

Packing, Material of O-Ring
- Standard (NBR Nitrile Rubber )
  - NBR
  - NBR (fluorine coated)
Clear
Applicable Tube O.D.1(φ)
1/4

1/8

2

3/8

3/16

3.2

4

5/16

5/32

6

8

10

12

16
Clear
Applicable Tube Outer Diameter 2(φ)
1/4

1/8

2

3/8

3/16

3.2

4

5/16

5/32

6

8

10

12

16
Clear
Types of connection
- Tube Connection
Clear
Number of Connection Tubes(piece)
- 3
Clear
Color
- Black
- White
Clear
Release button shape
- Perfect circle
Clear
Release button color
- Light Gray
- Light blue
- Orange
- White
Clear
Custom-made specifications
- Body color change
- Lubricant：white petroleum jelly, release push color changeリリースブッシュ色変更
- N/A
- Non-grease specification, rubber material, release button color change
Clear
type
- KQ2U
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

3 Day(s) or Less

5 Day(s) or Less

21 Day(s) or Less

22 Day(s) or Less

23 Day(s) or Less

43 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 .

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9:00am - 1:00pm (Saturday); Technical Inquiry

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Union Y KQ2U: One-Touch Fitting KQ2 Series

(i)Caution

Union Y: KQ2U Outline Drawing And Dimensions

Metric Size Type

Inch Size Type

Metric Size One-Touch Fittings KQ2 Series Common Specifications (Reference)

Construction

Applicable Tubing

Specifications

Principal Parts Materials

Inch Size One-Touch Fittings KQ2 Series Common Specifications (Reference)

Construction

Applicable Tubing

Specifications

Principal Parts Materials

Basic Information

Configure

Specification/Dimensions

Packing, Material of O-Ring

Applicable Tube O.D.1(φ)

Applicable Tube Outer Diameter 2(φ)

Types of connection

Number of Connection Tubes(piece)

Color

Release button shape

Release button color

Custom-made specifications

type

CAD

Days to Ship

Specify Alterations

Additional Products in this Category

Tech Support

Payment Method

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