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Quick-Connect Fitting Stainless Steel KQ2-G Series Hex Socket Head Half Union KQ2S (Gasket Seal)

Quick-Connect Fitting Stainless Steel KQ2-G Series Hex Socket Head Half Union KQ2S (Gasket Seal)

One-touch pipe fitting made by SMC.
[Features]
· One-touch IN/OUT connection.
· Can be used with -100‑kPa vacuum.
[Applications]
· For tight spaces.

(i)Caution

  • For materials and specification details, please refer to the catalog.
  • Product images may be representative images. Refer to the catalog for details.

PDF

Japanese Only

Half Union Fitting With Hex Socket: KQ2S-G (Gasket Seal) Specifications

Image

Image

Name

Name

Release bushing dimensions

Release bushing dimensions

Applicable tubing outer diameter
mm
Connection thread
M
ModelH
(width across flats)
øDNote)Release bushing dimensionsL1L2AMEffective cross-sectional area (mm2)Minimum bore diameterWeight
g
XYNylonUrethane
ø4M5 × 0.8KQ2S04-M5G12.587.71018.615.815.613.3442.53
ø6M5 × 0.8KQ2S06-M5G12.5109.71219.517.816.513.3442.53.5
Name

Guide/chuck
Can be used with both nylon and urethane. Large holding force. The chuck provides a definite grip, greatly increasing the tube holding force.
Gasket
Thanks to the unique shape that can be used from a low vacuum up to 1 MPa, there is a reliable seal and low resistance when inserting a tube.
Release button (white)
Light removal force. The chuck prevents unnecessary gripping pressure on the tube.
Body/O-ring/stud
Effective for piping in tight spaces. The body and threaded part rotate, allowing for positioning.

 

Applicable tubing

Tube materialsFEP, PFA, nylon, soft nylon, polyurethane
Tube outer diameterø4, ø6, ø8, ø10, ø12, ø16

Specifications

Usable fluidsAir, waterNote 1)
Operating pressure rangeNote 2)-100 kPa to 1 MPa
Proof pressure (at 23°C)3 MPa
Ambient and fluid temperature-5 to 60°C, with water: 0 to 40°C (no freezing)
ThreadMounting sectionJIS B0203 (Tapered pipe thread)
JIS B0205 (Metric coarse thread)
Nut partJIS B0205 (Metric fine thread)
Seal (thread portion)With sealant

Note 1) Make sure the surge pressure stays below the maximum operating pressure.
Note 2) It is not completely airtight, so please avoid use in leak testers, etc., where a vacuum is maintained.

Principle Part Materials

BodySUS303, PBT
StudSUS303 (thread portion)
ChuckSUS304
GuideSUS304, SUS303, PBT
Release buttonPOM
Seal, O-ringNBR
GasketSUS304/NBR
Part Number
10-KQ2S06-M5G1
KQ2S04-M5G1
KQ2S04-M5G1-X17
KQ2S06-M5G1
KQ2S06-M5G1-X17
Part NumberMinimum order quantityVolume DiscountDays to ShipApplication Packing, Material of O-Ring Applicable Tube O.D.1
(φ)
Release button color Custom-made specifications
2 Piece(s) Quote Clean circumstance[Standard (NBR Nitrile Rubber )] NBR6WhiteN/A
1 Piece(s) 31 Day(s) Standard/Mini[Standard (NBR Nitrile Rubber )] NBR4WhiteN/A
10 Piece(s) Quote Standard/Mini[Standard (NBR Nitrile Rubber )] NBR (fluorine coated)4Light BlueNon-grease specification, rubber material・release push color change
1 Piece(s) Same day Standard/Mini[Standard (NBR Nitrile Rubber )] NBR6WhiteN/A
10 Piece(s) Quote Standard/Mini[Standard (NBR Nitrile Rubber )] NBR (fluorine coated)6Light BlueNon-grease specification, rubber material・release push color change

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Basic Information

Types Single-Action / Screw Fitting Type Screw Mount Direction Applicable Fluid Water / Air
Body Material SUS303+PBT Thread Material SUS303 Screw Mounting, Direction With hex socket and straight
Operating Temperature(°C) -5::60 Types of connection M Connection screw 5×0.8
Number of Connection Tubes(piece) 1 Color White Release button shape Ellipse

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