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Quick-Connect Fitting Stainless Steel KQ2-G Series Long Elbow Union KQ2W (Gasket Seal)

Quick-Connect Fitting Stainless Steel KQ2-G Series Long Elbow Union KQ2W (Gasket Seal)

SMC One-Touch fitting.
[Features]
· One-touch IN/OUT connection.
· Can be used with -100‑kPa vacuum.
[Applications]
· Generally used in the same way as an elbow union. The difference is that the pipe is multi-layered and is used to prevent fitting interference.

(i)Caution

  • The minimum order quantity varies depending on the selected model. Please check the quotation / order screen for details.
  • 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

Long Elbow Union Fitting: KQ2W-G (Gasket Seal) Specifications

Oval

Oval

Dimensional drawing

Dimensional drawing

Release bushing dimensions

Release bushing dimensions

Applicable tubing outer diameter
mm
Connection thread
M
ModelH (width across flats)øD1Note) Release bushing dimensionsøD2L1L2AMEffective cross-sectional area
(mm2)
Minimum bore diameterWeight
g
With gusset
øXYNylonUrethane
ø4M5 × 0.8KQ2W04-M5G178.27.710715.425.726.813.3332.55.8
ø6M5 × 0.8KQ2W06-M5G1710.49.712714.527.429.613.3332.55.9

Note) øD1 represents maximum diameter.

Structural Drawing

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.
Seal
Can be used from a low vacuum up to 1 MPa. Thanks to the unique shape there is a reliable seal and low resistance when inserting a tube.
Release bushing (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, For water: 0 to 40°C (no freezing)
ThreadMounting sectionJIS B0203 (taper thread for piping)
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
KQ2W04-M5G1
KQ2W06-M5G1
Part NumberMinimum order quantityVolume DiscountDays to ShipApplicable Tube O.D.1
(φ)
2 Piece(s) 31 Day(s) 4
1 Piece(s) 31 Day(s) 6

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Basic Information

Types Single-Action / Screw Fitting Type Screw Mount Direction Applicable Fluid Water / Air
Body Material SUS303+PBT Application Standard/Mini Thread Material SUS303
Packing, Material of O-Ring NBR Screw Mounting, Direction Elbow Elbows Long Elbows
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
Release button color White Custom-made specifications N/A

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