Union Y KQ2U: One-Touch Fitting KQ2 Series

Brand :

SMC

Caution

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

Product Description

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.

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)