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One-Touch Fitting KQ2 Series Straight Union KQ2H

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On Sale Till 31/05/2024
Volume Discount

SMC

A dedicated one-touch fitting used to connect tubing together in the same direction in a single action.
[Features]
· A compact and lightweight fitting with improved tube insertion/removal.
· Both metric size and inch size tubing can be used. Select the most appropriate type for the given application.
· Requires little force when removing, preventing the chuck from biting too deeply into the tubing.
[See here for catalog]
· Applicable tube outer diameter (metric), Release button: oval (pp. 9) / circle (pp. 105)
· Applicable tube outer diameter (inches), Release button: oval (pp. 33) circle (pp. 138)
[Applications]
· Can be used for connecting tubes in the same direction.

(i)Caution

See the catalog for details on materials and specifications.
Product images may be representative images. Refer to the catalog for details.

Part Number

Configured Part Number is shown.

Product Specifications
Part Numbers
Catalog

Straight Union KQ2H Specifications

Straight Union KQ2H dimensional drawing

Release button dimensions (Applicable for oval types only)

Applicable Tubing: Metric Size

Applicable tube outer diameter mm	Model	øD	Release Button Dimensions		L	M	Effective area (mm²)		Minimum hole diameter	Weight g
Applicable tube outer diameter mm	Model	øD	X	Y	L	M	Nylon	Urethane	Minimum hole diameter	Weight g
ø3.2	KQ2H23-00A1	7.1	6.7	9.5	27.6	13.3	3.4	2.9	2.5	1.4
ø4	KQ2H04-00A1	8.2	7.7	10	27.6	13.3	5.6	4	3	1.6
ø6	KQ2H06-00A1	10.4	9.7	12	27.6	13.3	13.1	10.4	4.5	2.1

Release button shape: oval

Applicable tube outer diameter mm	Model	øD ^Note:	L	M	Effective area (mm²)		Minimum hole diameter	Weight g
Applicable tube outer diameter mm	Model	øD ^Note:	L	M	Nylon	Urethane	Minimum hole diameter	Weight g
ø2	KQ2H02-00A	5.8	24.8	11.9	-	0.9	1.4	0.8
ø3.2	KQ2H23-00A	7.1	27.6	13.3	3.4	2.9	2.5	1.4
ø4	KQ2H04-00A	8.2	27.6	13.3	5.6	4	3	1.6
ø6	KQ2H06-00A	10.4	27.6	13.3	13.1	10.4	4.5	2.1
ø8	KQ2H08-00A	13.2	29.4	14.2	26.1	18	6	3.7
ø10	KQ2H10-00A	15.9	32.2	15.6	41.5	29.5	7.5	5.5
ø12	KQ2H12-00A	18.5	35	17	58.3	46.1	9	8.2
ø16	KQ2H16-00A	23.8	42.2	20.6	113	67	13	15.2

Release button shape: circular
Note: øD is the maximum diameter.

Applicable tubing: inch size

Applicable tube outer diameter (inches)	Model	øD	Release Button Dimensions		L	M	Effective area (mm²)		Minimum hole diameter	Weight g
Applicable tube outer diameter (inches)	Model	øD	X	Y	L	M	Nylon	Urethane	Minimum hole diameter	Weight g
ø1/8	KQ2H01-00A1	7.1	6.7	9.5	27.6	13.3	3.4	2.9	2.5	1.4
ø5/32	KQ2H03-00A1	8.2	7.7	10	27.6	13.3	5.6	4	3	1.6
ø3/16	KQ2H05-00A1	9.1	8.4	11	27.6	13.3	7.8	6.5	3.5	1.9

Release button shape: oval

Applicable tube outer diameter (inches)	Model	øD ^Note:	L	M	Effective area (mm²)		Minimum hole diameter	Weight g
Applicable tube outer diameter (inches)	Model	øD ^Note:	L	M	Nylon	Urethane	Minimum hole diameter	Weight g
ø1/8	KQ2H01-00A	7.1	27.6	13.3	3.4	2.9	2.5	1.4
ø5/32	KQ2H03-00A	8.2	27.6	13.3	5.6	4	3	1.6
ø3/16	KQ2H05-00A	9.1	27.6	13.3	7.8	6.5	3.5	1.9
ø1/4	KQ2H07-00A	11.1	27.6	13.3	13.5	11.5	4.6	2.4
ø5/16	KQ2H09-00A	13.2	29.4	14.2	26.1	18	6	3.7
ø3/8	KQ2H11-00A	15.4	32.2	15.6	35.3	29.1	7	5.2
ø1/2	KQ2H13-00A	19.3	35	17	66	51.7	9.6	8.7

Release button shape: circular
Note: øD is the maximum diameter.

Main part.

Body	C3604, PBT, PP, SUS303
Stud	C3604 (thread part), SUS303 (thread part)
Chuck	SUS304
Guide	SUS304
Release button	POM
Seal, O-ring	NBR
Gasket	SUS304, NBR

Materials.

Tube materials	FEP, PFA, nylon, soft nylon, polyurethane
Tube outer diameter	ø3.2, ø4, ø6

Applicable tube.

Usable fluids		Air, water
Operating pressure range		-100 kPa to 1 MPa
Guaranteed proof pressure (at 23°C)		3 MPa
Ambient temperature and fluid temperature		-5 to 60°C, For water: 0 to 40°C (no freezing)
Thread	Mounting section	JIS B0203 (tapered pipe thread) JIS B0205 (metric coarse thread)
Thread	Nut section	JIS B0205 (metric fine thread)
Thread part seal		Sealing agent included

Specifications.

*Applicable tubing: metric size / The oval type is listed. See the manufacturer's catalog for types other than the above.

Product usage precautions

Note 1: Fittings without a thread portion and with all resin bodies are copper free specifications.
Note 2: The surge pressure must be under the maximum operating pressure.
Note 3: Do not use the fittings with a leak tester or for vacuum retention because they are not guaranteed for zero leakage.

: 30; 45; 60

Part Number
10-KQ2H04-00A1
10-KQ2H06-00A1
10-KQ2H08-00A
10-KQ2H10-00A
10-KQ2H12-00A
10-KQ2H16-00A
KQ2H01-00A
KQ2H01-00A1
KQ2H02-00A
KQ2H03-00A
KQ2H03-00A1
KQ2H04-00A
KQ2H04-00A1
KQ2H04-00A1-X12
KQ2H05-00A
KQ2H05-00A1
KQ2H06-00A
KQ2H06-00A1
KQ2H06-00A1-X12
KQ2H07-00A
KQ2H08-00A
KQ2H08-00A-X12
KQ2H09-00A
KQ2H10-00A
KQ2H10-00A-X12
KQ2H11-00A
KQ2H12-00A
KQ2H12-00A-X12
KQ2H13-00A
KQ2H16-00A
KQ2H16-00A-X12
KQ2H23-00A
KQ2H23-00A1

Standard Unit Price	Minimum order quantity	Volume Discount	Days to Ship	Types	Fitting Type	Applicable Fluid	Body Material	Application	Packing, Material of O-Ring	Screw Mounting, Direction	Operating Temperature (°C)	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
SGD 5.60 SGD 4.48	1 Piece(s)		46 Day(s)	[One-Touch Couplings] Single-Action Coupling	Union with same diameter	Water / Air	[Standard (PBT)] PBT+PP	Clean circumstance	[Standard (NBR Nitrile Rubber )] NBR	-	-5～60	4	4	Tube Connection	2	White	Ellipse	White	N/A
SGD 5.60 SGD 4.48	10 Piece(s)		46 Day(s)	[One-Touch Couplings] Single-Action Coupling	Union with same diameter	Water / Air	[Standard (PBT)] PBT+PP	Clean circumstance	[Standard (NBR Nitrile Rubber )] NBR	-	-5～60	6	6	Tube Connection	2	White	Ellipse	White	N/A
SGD 6.42 SGD 5.14	1 Piece(s)		46 Day(s)	[One-Touch Couplings] Single-Action Coupling	Union with same diameter	Water / Air	[Standard (PBT)] PBT+PP	Clean circumstance	[Standard (NBR Nitrile Rubber )] NBR	-	-5～60	8	8	Tube Connection	2	White	Perfect circle	White	N/A
SGD 7.70 SGD 6.16	10 Piece(s)		46 Day(s)	[One-Touch Couplings] Single-Action Coupling	Union with same diameter	Water / Air	[Standard (PBT)] PBT+PP	Clean circumstance	[Standard (NBR Nitrile Rubber )] NBR	-	-5～60	10	10	Tube Connection	2	White	Perfect circle	White	N/A
SGD 8.52 SGD 6.82	1 Piece(s)		46 Day(s)	[One-Touch Couplings] Single-Action Coupling	Union with same diameter	Water / Air	[Standard (PBT)] PBT+PP	Clean circumstance	[Standard (NBR Nitrile Rubber )] NBR	-	-5～60	12	12	Tube Connection	2	White	Perfect circle	White	N/A
-	10 Piece(s)		Quote	[One-Touch Couplings] Single-Action Coupling	Union with same diameter	Water / Air	[Standard (PBT)] PBT+PP	Clean circumstance	[Standard (NBR Nitrile Rubber )] NBR	-	-5～60	16	16	Tube Connection	2	White	Perfect circle	White	N/A
SGD 4.43 SGD 2.66	1 Piece(s)	Available	Same day	[One-Touch Couplings] Single-Action Coupling	Union with same diameter	Water / Air	[Standard (PBT)] PBT+PP	Standard/Mini	[Standard (NBR Nitrile Rubber )] NBR	-	-5～60	1/8	1/8	Tube Connection	2	White	Perfect circle	Orange	N/A
SGD 4.43 SGD 3.54	1 Piece(s)	Available	46 Day(s)	[One-Touch Couplings] Single-Action Coupling	Union with same diameter	Water / Air	[Standard (PBT)] PBT+PP	Standard/Mini	[Standard (NBR Nitrile Rubber )] NBR	-	-5～60	1/8	1/8	Tube Connection	2	White	Ellipse	Orange	N/A
SGD 3.85 SGD 3.08	1 Piece(s)	Available	31 Day(s)	[One-Touch Couplings] Single-Action Coupling	Union with same diameter	Water / Air	[Standard (PBT)] PBT+PP	Standard/Mini	[Standard (NBR Nitrile Rubber )] NBR	-	-5～60	2	2	Tube Connection	2	White	Perfect circle	Light Gray	N/A
SGD 4.32 SGD 2.20	1 Piece(s)	Available	Same day	[One-Touch Couplings] Single-Action Coupling	Union with same diameter	Water / Air	[Standard (PBT)] PBT+PP	Standard/Mini	[Standard (NBR Nitrile Rubber )] NBR	-	-5～60	5/32	5/32	Tube Connection	2	White	Perfect circle	Orange	N/A
SGD 4.32 SGD 3.46	1 Piece(s)	Available	46 Day(s)	[One-Touch Couplings] Single-Action Coupling	Union with same diameter	Water / Air	[Standard (PBT)] PBT+PP	Standard/Mini	[Standard (NBR Nitrile Rubber )] NBR	-	-5～60	5/32	5/32	Tube Connection	2	White	Ellipse	Orange	N/A
SGD 4.20 SGD 2.48	1 Piece(s)	Available	Same day	[One-Touch Couplings] Single-Action Coupling	Union with same diameter	Water / Air	[Standard (PBT)] PBT+PP	Standard/Mini	[Standard (NBR Nitrile Rubber )] NBR	-	-5～60	4	4	Tube Connection	2	White	Perfect circle	Light Gray	N/A
SGD 4.20 SGD 2.23	1 Piece(s)	Available	Same day	[One-Touch Couplings] Single-Action Coupling	Union with same diameter	Water / Air	[Standard (PBT)] PBT+PP	Standard/Mini	[Standard (NBR Nitrile Rubber )] NBR	-	-5～60	4	4	Tube Connection	2	White	Ellipse	Light Gray	N/A
SGD 4.20 SGD 3.36	1 Piece(s)	Available	46 Day(s)	[One-Touch Couplings] Single-Action Coupling	Union with same diameter	Water / Air	[Standard (PBT)] PBT+PP	Standard/Mini	[Standard (NBR Nitrile Rubber )] NBR	-	-5～60	4	4	Tube Connection	2	White	Ellipse	White	Lubricant：white petroleum jelly, release push color changeリリースブッシュ色変更
SGD 5.48 SGD 4.38	1 Piece(s)	Available	46 Day(s)	[One-Touch Couplings] Single-Action Coupling	Union with same diameter	Water / Air	[Standard (PBT)] PBT+PP	Standard/Mini	[Standard (NBR Nitrile Rubber )] NBR	-	-5～60	3/16	3/16	Tube Connection	2	White	Perfect circle	Orange	N/A
SGD 5.48 SGD 4.38	10 Piece(s)	Available	46 Day(s)	[One-Touch Couplings] Single-Action Coupling	Union with same diameter	Water / Air	[Standard (PBT)] PBT+PP	Standard/Mini	[Standard (NBR Nitrile Rubber )] NBR	-	-5～60	3/16	3/16	Tube Connection	2	White	Ellipse	Orange	N/A
SGD 4.20 SGD 2.52	1 Piece(s)	Available	Same day	[One-Touch Couplings] Single-Action Coupling	Union with same diameter	Water / Air	[Standard (PBT)] PBT+PP	Standard/Mini	[Standard (NBR Nitrile Rubber )] NBR	-	-5～60	6	6	Tube Connection	2	White	Perfect circle	Light Gray	N/A
SGD 4.20 SGD 3.36	1 Piece(s)	Available	46 Day(s)	[One-Touch Couplings] Single-Action Coupling	Union with same diameter	Water / Air	[Standard (PBT)] PBT+PP	Standard/Mini	[Standard (NBR Nitrile Rubber )] NBR	-	-5～60	6	6	Tube Connection	2	White	Ellipse	Light Gray	N/A
SGD 4.20 SGD 3.36	10 Piece(s)	Available	46 Day(s)	[One-Touch Couplings] Single-Action Coupling	Union with same diameter	Water / Air	[Standard (PBT)] PBT+PP	Standard/Mini	[Standard (NBR Nitrile Rubber )] NBR	-	-5～60	6	6	Tube Connection	2	White	Ellipse	White	Lubricant：white petroleum jelly, release push color changeリリースブッシュ色変更
SGD 4.32 SGD 2.59	1 Piece(s)	Available	Same day	[One-Touch Couplings] Single-Action Coupling	Union with same diameter	Water / Air	[Standard (PBT)] PBT+PP	Standard/Mini	[Standard (NBR Nitrile Rubber )] NBR	-	-5～60	1/4	1/4	Tube Connection	2	White	Perfect circle	Orange	N/A
SGD 4.90 SGD 2.94	1 Piece(s)	Available	Same day	[One-Touch Couplings] Single-Action Coupling	Union with same diameter	Water / Air	[Standard (PBT)] PBT+PP	Standard/Mini	[Standard (NBR Nitrile Rubber )] NBR	-	-5～60	8	8	Tube Connection	2	White	Perfect circle	Light Gray	N/A
SGD 4.90 SGD 3.92	1 Piece(s)		46 Day(s)	[One-Touch Couplings] Single-Action Coupling	Union with same diameter	Water / Air	[Standard (PBT)] PBT+PP	Standard/Mini	[Standard (NBR Nitrile Rubber )] NBR	-	-5～60	8	8	Tube Connection	2	White	Perfect circle	White	Lubricant：white petroleum jelly, release push color changeリリースブッシュ色変更
SGD 5.48 SGD 2.79	1 Piece(s)	Available	Same day	[One-Touch Couplings] Single-Action Coupling	Union with same diameter	Water / Air	[Standard (PBT)] PBT+PP	Standard/Mini	[Standard (NBR Nitrile Rubber )] NBR	-	-5～60	5/16	5/16	Tube Connection	2	White	Perfect circle	Orange	N/A
SGD 5.95 SGD 3.57	1 Piece(s)	Available	Same day	[One-Touch Couplings] Single-Action Coupling	Union with same diameter	Water / Air	[Standard (PBT)] PBT+PP	Standard/Mini	[Standard (NBR Nitrile Rubber )] NBR	-	-5～60	10	10	Tube Connection	2	White	Perfect circle	Light Gray	N/A
SGD 5.95 SGD 4.76	5 Piece(s)		46 Day(s)	[One-Touch Couplings] Single-Action Coupling	Union with same diameter	Water / Air	[Standard (PBT)] PBT+PP	Standard/Mini	[Standard (NBR Nitrile Rubber )] NBR	-	-5～60	10	10	Tube Connection	2	White	Perfect circle	White	Lubricant：white petroleum jelly, release push color changeリリースブッシュ色変更
SGD 6.30 SGD 3.21	1 Piece(s)	Available	Same day	[One-Touch Couplings] Single-Action Coupling	Union with same diameter	Water / Air	[Standard (PBT)] PBT+PP	Standard/Mini	[Standard (NBR Nitrile Rubber )] NBR	-	-5～60	3/8	3/8	Tube Connection	2	White	Perfect circle	Orange	N/A
SGD 6.65 SGD 3.99	1 Piece(s)	Available	Same day	[One-Touch Couplings] Single-Action Coupling	Union with same diameter	Water / Air	[Standard (PBT)] PBT+PP	Standard/Mini	[Standard (NBR Nitrile Rubber )] NBR	-	-5～60	12	12	Tube Connection	2	White	Perfect circle	Light Gray	N/A
SGD 6.65 SGD 5.32	1 Piece(s)		46 Day(s)	[One-Touch Couplings] Single-Action Coupling	Union with same diameter	Water / Air	[Standard (PBT)] PBT+PP	Standard/Mini	[Standard (NBR Nitrile Rubber )] NBR	-	-5～60	12	12	Tube Connection	2	White	Perfect circle	White	Lubricant：white petroleum jelly, release push color changeリリースブッシュ色変更
SGD 8.98 SGD 7.18	1 Piece(s)	Available	31 Day(s)	[One-Touch Couplings] Single-Action Coupling	Union with same diameter	Water / Air	[Standard (PBT)] PBT+PP	Standard/Mini	[Standard (NBR Nitrile Rubber )] NBR	-	-5～60	1/2	1/2	Tube Connection	2	White	Perfect circle	Orange	N/A
SGD 8.75 SGD 7.00	1 Piece(s)	Available	46 Day(s)	[One-Touch Couplings] Single-Action Coupling	Union with same diameter	Water / Air	[Standard (PBT)] PBT+PP	Standard/Mini	[Standard (NBR Nitrile Rubber )] NBR	-	-5～60	16	16	Tube Connection	2	White	Perfect circle	Light Gray	N/A
-	1 Piece(s)		Quote	[One-Touch Couplings] Single-Action Coupling	Union with same diameter	Water / Air	[Standard (PBT)] PBT+PP	Standard/Mini	[Standard (NBR Nitrile Rubber )] NBR	-	-5～60	16	16	Tube Connection	2	White	Perfect circle	White	Lubricant：white petroleum jelly, release push color changeリリースブッシュ色変更
SGD 4.32 SGD 3.46	1 Piece(s)	Available	46 Day(s)	[One-Touch Couplings] Single-Action Coupling	Union with same diameter	Water / Air	[Standard (PBT)] PBT+PP	Standard/Mini	[Standard (NBR Nitrile Rubber )] NBR	-	-5～60	3.2	3.2	Tube Connection	2	White	Perfect circle	Light Gray	N/A
SGD 4.32 SGD 3.46	10 Piece(s)	Available	46 Day(s)	[One-Touch Couplings] Single-Action Coupling	Union with same diameter	Water / Air	[Standard (PBT)] PBT+PP	Standard/Mini	[Standard (NBR Nitrile Rubber )] NBR	-	-5～60	3.2	3.2	Tube Connection	2	White	Ellipse	Light Gray	N/A

Configure

33 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

Types
- One-Touch Couplings
  - Single-Action Coupling
Clear
Fitting Type
- Union with same diameter
Clear
Body Material
- Standard (PBT)
  - PBT+PP
Clear
Application
- Standard/Mini
- Clean circumstance
Clear
Packing, Material of O-Ring
- Standard (NBR Nitrile Rubber )
  - NBR
  - NBR (fluorine coated)
Clear
Screw Mounting, Direction
- Straight
  - Half Union
Clear
Applicable Tube O.D.1(φ)
1/2

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)
1/2

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
- Same diameter tube
- Tube Connection
Clear
Number of Connection Tubes(piece)
- 2
Clear
Color
- Black
- White
Clear
Release button shape
- Ellipse
- Perfect circle
Clear
Release button color
- Light Blue
- Light Gray
- 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 push color change
Clear
type
- 10-KQ2H
- KQ2H
Clear
Applicable Fluid
- Water
- Air
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

Same day

31 Day(s) or Less

46 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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One-Touch Fitting KQ2 Series Straight Union KQ2H

(i)Caution

Straight Union KQ2H Specifications

Applicable Tubing: Metric Size

Applicable tubing: inch size

Product usage precautions

Configure

Specification/Dimensions

Types

Fitting Type

Body Material

Application

Packing, Material of O-Ring

Screw Mounting, Direction

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

Applicable Fluid

CAD

Days to Ship

Specify Alterations

Tech Support

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