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S Coupler KK Series, Socket (S) Female Thread Type (KK4S-02F)

SMC

An S coupler / one-touch joint joint with improved plug/socket pull-out strength.
[Features]
· Equipped as standard with a sleeve cover.
· Shock resistance has been improved by changing the lock ring to shock-resistant PBT.
· The loss of effective area is minimized because there is no valve spring to block the flow path.
· The check valve end configuration facilitates a rectifying effect.
· A sealing structure with low leakage.
· Employs a unique connection method.
[Applications]
· Fluids used: air, water.

(i)Caution

Refer to the catalog for product specs.
The product shown in the image may be a representative image. Refer to the catalog for product shapes and types.

Part Number

Configured Part Number is shown.

KK4S-02F

Product Specifications
Part Numbers
Catalog

S Coupler KK Series Female Thread Type specifications

S Coupler KK　Socket (S) Female Thread Type: related images

Female Thread Type KK2 external appearance

Female Thread Type KK3, 4, 6 external appearance

Female Thread Type KK2 dimensional drawing

Female Thread Type KK3, 4, 6 dimensional drawing

Body size	Model	T Pipe/ connection port diameter	H Width across flats	φD	L₁	L₂ When connected	Minimum hole diameter	Effective area mm²	Weight g
M5	KK2S-M5F	M5 × 0.8	8	10.0	25.3	26.8	4.2	5.4	6.4
1/8	KK3S-01F	Rc1/8	14	20.2	36.0	38.5	8.2	20.6	23.6
	KK3S-02F	Rc1/4	17		40.1	42.6		21.1	34.4
	KK3S-03F	Rc3/8	19		41.9	44.4		21.1	38.8
1/4	KK4S-02F	Rc1/4		28.0	50.4	54.1	10.9	39.6	56.9
1/4	KK4S-03F	Rc3/8		28.0	51.1	54.8	14.4	42.7	46.2
1/2	KK6S-03F	Rc3/8	24	31.6	58.6	63.9	14.4	83.1	93.6
1/2	KK6S-04F	Rc1/2	24	31.6	61.0	66.3	18.0	83.8	87.4

Unit: mm

Common specifications

Operating fluid	Air, water
Operating pressure range_Note:	KK2: -100 kPa to 1 MPa KK3: -90 kPa to 1 MPa KK4/6: 0 to 1 MPa
Guaranteed proof pressure	1.5 MPa
Ambient temperature and working fluid temperature	Air: -5 to 60°C Water: 5 to 40°C (no freezing)
Plating, seal	With electroless nickel plating (copper-free and fluorine-free application) and male thread sealant

Note: Do not use with a leak tester or for vacuum retention because they are not guaranteed for zero leakage.

Common performance

Plug/socket connection method	One-touch connection
Check valve	Socket: check valve built-in (standard)
Sleeve lock mechanism_Note:	Manual locking type (standard)

Note: The KK2 series does not include a lock mechanism.

Flow rate characteristics

Air (0 to 1 MPa): KK2

Air (0 to 1 MPa): KK3, 4, 6

Water (0 to 0.4 MPa): KK2

Water (0 to 0.4 MPa): KK3, 4, 6

Note: Refer to the manufacturer's catalog for specifications other than those above.

: 30; 45; 60

Part Number
KK4S-02F

Part Number	Standard Unit Price	Minimum order quantity	Volume Discount	Days to Ship	Size of Body	Pipe Connection Bore Dia.
	MYR 53.40	1 Piece(s)		21 Day(s)	1/4	Rc 1/4

Basic Information

Joint Type	Female Threaded Tapped	Male/Female	Socket	Body Material	C3604
Applicable Fluid	Water / Air	Type	Standard	Valve Structure	Single Passage Opening Closing Type
With or Without Check Valve	Yes

Please check the type/dimensions/specifications of the part KK4S-02F in the S Coupler KK Series, Socket (S) Female Thread Type series.

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Completed

Specification/Dimensions

type
- KK□S-□F
Clear
Size of Body
- 1/2
- 1/4
- 1/8
- M5
Clear
Pipe Connection Bore Dia.
- Rc 1/2
- Rc 1/4
- Rc 1/8
- Rc 3/8
- M5 × 0.8
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

21 Day(s) or Less

32 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 .

Products like this...

Part Number
KK3S-01F
KK3S-02F
KK3S-03F
KK4S-03F
KK6S-03F
KK6S-04F

Standard Unit Price	Minimum order quantity	Days to Ship	Size of Body	Pipe Connection Bore Dia.
MYR 52.10	1 Piece(s)	21 Day(s)	1/8	Rc 1/8
MYR 52.10	1 Piece(s)	21 Day(s)	1/8	Rc 1/4
MYR 52.10	5 Piece(s)	21 Day(s)	1/8	Rc 3/8
MYR 53.40	1 Piece(s)	21 Day(s)	1/4	Rc 3/8
MYR 105.50	1 Piece(s)	21 Day(s)	1/2	Rc 3/8
MYR 105.50	1 Piece(s)	21 Day(s)	1/2	Rc 1/2

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