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S Coupler Stainless Steel KKA Series, Socket (S) Female Thread Type (KKA3S-03F)

S Coupler Stainless Steel KKA Series, Socket (S) Female Thread Type KKA3S-03F

SMC

SMC

· Body material: stainless steel (SUS304)
· Seal material: Fluororubber (special FKM)
[Features]
· Available with or without check valve to suit different working conditions
· Reduces amount of liquid dripping when disconnecting plug from socket
　Liquid dripping amount: 0.02 to 0.77 cm³ at each removal; aeration amount: 0.1 to 2.7 cm³ at each removal
· Non-greased specification (standard)

PDF

Part Number

Configured Part Number is shown.

KKA3S-03F

S Coupler KKA Series Stainless Steel Socket Female Thread Type Specifications

JIS symbols for plug only and socket only

JIS symbols for plug only and socket only

JIS symbol for connected plug and socket

JIS symbol for connected plug and socket

Working FluidWater, air
Operating Pressure Range*1KKA3: -100 kPa to 1 MPa
KKA4, KKA6, KKA7, KKA8, KKA9: 0 to 1 MPa
Guaranteed Proof Pressure10 MPa
Ambient Temperature and Working Fluid Temperature Range-5 to +150℃ (no freezing)
*Cannot be used for steam
Non-greased SpecificationDoes not use grease.
(Rubber and metal sliding parts: fluorine coating)
MaterialMetal parts: SUS304; rubber parts: fluoroelastomer (special FKM)
SealIncludes male thread sealant

*1: Do not use with a leak tester or for vacuum retention as zero leakage cannot be guaranteed.

Characteristics of Models With Check Valve on Both Sides

Body SizeLiquid Dripping Amount (cm³ per instance)Aeration Amount (cm³ per instance)
KKA30.020.1
KKA40.040.1
KKA60.060.2
KKA70.140.5
KKA80.270.9
KKA90.772.7
  • "Liquid dripping amount" refers to the amount of internal water that is lost when the plug and socket are disengaged
  • "Aeration amount" refers to the amount of external air that is entrained when the plug and socket are connected

Effective Cross-sectional Area

With or Without Check ValveSocketEffective Cross-sectional Area mm²
Plug socket
with check valve on both sides		KKA3S-01F17.4
KKA4S-02F26.4
KKA6S-04F54.2
KKA7S-06F99.6
KKA8S-10F168.3
KKA9S-12F332.1

Dimensions: Socket (S)

With Check Valve

With check valve, female thread type dimensional drawing

With check valve, female thread type dimensional drawing

 

(Unit: mm)

 

Body SizeModelT
Connection Port Diameter		H
Width Across Flats		φDLMinimum Hole DiameterEffective Cross-sectional Area
mm2		Weight
g
1/8KKA3S-01FRc 1/81718.537.65.918.546.9
KKA3S-02FRc 1/441.247.2
KKA3S-03FRc 3/81943.152.3
1/4KKA4S-02FRc 1/42224.246.17.731.897.1
KKA4S-03FRc 3/846.991.1
KKA4S-04FRc 1/22452.3104.3
1/2KKA6S-03FRc 3/83030.750.510.255.3189.6
KKA6S-04FRc 1/256.2202.0
KKA6S-06FRc 3/457.9180.6
3/4KKA7S-04FRc 1/23642.575.113.6101.5477.2
KKA7S-06FRc 3/476.5457.4
KKA7S-10FRc 14182.3550.9
1KKA8S-06FRc 3/4465590.917.6169.9935.2
KKA8S-10FRc 193.9914.7
KKA8S-12FRc1 1/45099.21,002.1
1 1/4KKA9S-10FRc 16369121.825.1344.91,919.1
KKA9S-12FRc1 1/4121.81,810.0
KKA9S-14FRc1 1/2121.81,732.6

Without Check Valve

Without check valve, female thread type dimensional drawing

Without check valve, female thread type dimensional drawing

 

(Unit: mm)

 

Body SizeModelT
Connection Port Diameter		H
Width Across Flats		φDLMinimum Hole DiameterEffective Cross-sectional Area
mm2		Weight
g
1/8KKA3S-01F-1Rc 1/81718.537.66.123.444.5
KKA3S-02F-1Rc 1/441.244.8
KKA3S-03F-1Rc 3/81943.149.9
1/4KKA4S-02F-1Rc 1/42224.246.18.141.292.2
KKA4S-03F-1Rc 3/846.986.2
KKA4S-04F-1Rc 1/22452.399.4
1/2KKA6S-03F-1Rc 3/83030.750.511.481.6178.8
KKA6S-04F-1Rc 1/256.2191.2
KKA6S-06F-1Rc 3/457.9169.8

Structural Drawing

Socket structural drawing

Socket structural drawing

KKA series structural drawing

KKA series structural drawing

NumberPart NameMaterialNote
1Socket bodySUS304-
2Socket rear bodySUS304-
3Socket valveSUS304-
4CollarSUS304Fluorine coating
5SleeveSUS304Plated with material containing fluorine
6Valve O-ringSpecial FKMFluorine coating
7Plug O-ringSpecial FKMFluorine coating
8Socket body O-ringSpecial FKMFluorine coating
9Collar sealSpecial FKMFluorine coating
10Collar springEquivalent to SUS304KKA3, KKA4, KKA6
SUS304KKA7, 8, 9
11Sleeve springSUS304-
12Steel ballSUS304-
13Stopper ringSUS304-

Flow Rate Characteristics

Air

Plug: with check valve / socket: with check valve

Plug: with check valve / socket: with check valve

Plug: without check valve / socket: with check valve

Plug: without check valve / socket: with check valve

Plug: with check valve / socket: with check valve

Plug: with check valve / socket: with check valve

Plug: without check valve / socket: without check valve

Plug: without check valve / socket: without check valve

Notes

  • *Please check the individual safety precautions for each product.
  • *Please refer to the manufacturer's catalog for product information not provided above.
30
45
60
  1. 1
Part Number
KKA3S-03F
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipOperating Temperature Range
(°C) 		Operating Pressure Range
(MPa) 		Size of Body Pipe Connection Bore Dia. With or Without Check Valve

SGD 79.57

1 Piece(s) 32 Day(s) -5～150-0.1～11/8Rc3/8Y

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  1. 1
 

Basic Information

Joint Type Female Threaded Tapped Male/Female Socket Body Material SUS304
Applicable Fluid Water / Air Type Standard

Please check the type/dimensions/specifications of the part KKA3S-03F in the S Coupler Stainless Steel KKA Series, Socket (S) Female Thread Type series.

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Specification/Dimensions

  • type

    • KKA□S-□F
    • KKA□S-□F-1

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  • Size of Body

    • 1
    • 1 1/4
    • 1/2
    • 1/4
    • 1/8
    • 3/4

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  • Pipe Connection Bore Dia.

    • Rc 1
    • Rc1 1/2
    • Rc1 1/4
    • Rc1/2
    • Rc 1/2
    • Rc1/4
    • Rc 1/8
    • Rc 3/4
    • Rc3/8

    Clear

  • With or Without Check Valve

    • N
    • No
    • Y
    • Yes

    Clear

  • CAD

    • 2D
    • 3D

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Days to Ship

    • All
    • 32 Day(s) or Less

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Specify Alterations

Similar Part Numbers

Part Number
KKA3S-01F-1
KKA3S-02F
KKA3S-02F-1
KKA3S-03F-1
KKA4S-02F
KKA4S-02F-1
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipOperating Temperature Range
(°C) 		Operating Pressure Range
(MPa) 		Size of Body Pipe Connection Bore Dia. With or Without Check Valve

SGD 66.38

1 Piece(s) 32 Day(s) --1/8Rc 1/8No

SGD 79.57

1 Piece(s) 32 Day(s) -5～150-0.1～11/8Rc1/4Y

SGD 66.38

1 Piece(s) 32 Day(s) -5～150-0.1～11/8Rc1/4N

SGD 66.38

1 Piece(s) 32 Day(s) -5～150-0.1～11/8Rc3/8N

SGD 95.08

1 Piece(s) 32 Day(s) -5～1500～11/4Rc1/4Y

SGD 79.57

1 Piece(s) 32 Day(s) -5～1500～11/4Rc1/4N

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