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A one-touch fitting used to connect two pieces of tubing through a panel.
[Features]
· Compact and lightweight with improved tube insertion/removal.
· Suitable for use with nylon and urethane. The chuck grips the workpiece securely, increasing the tube holding force.
· Can be used for pressures from a low vacuum up to 1 MPa. The special profile ensures a reliable seal and minimizes resistance when inserting tubes.
· Requires little force when removing, preventing the chuck from biting too deeply into the tubing.
· Effective when piping in confined spaces. The body and thread part rotate enough to allow for positioning.
[Applications]
· Use to connect tubing through panels, etc.
Part Number
Configured Part Number is shown.

Bulkhead Union KQ2E (Circular Type) dimensional drawing

Oval type
| Applicable tube outer diameter (inches) | Model | T (M) | H (width across flats) | L | Mounting hole | M | Effective area (mm2) | Minimum hole diameter | Weight g | |
|---|---|---|---|---|---|---|---|---|---|---|
| Nylon | Urethane | |||||||||
| ø3/16 | KQ2E05-00M□ | M14 × 1 | 17 | 27.3 | 15 | 13.3 | 7.8 | 6.5 | 3.5 | 30.5 |
| ø1/4 | KQ2E07-00M□ | M14 × 1 | 17 | 27.3 | 15 | 13.3 | 13.5 | 11.5 | 4.6 | 27.2 |
| ø5/16 | KQ2E09-00M□ | M16 × 1 | 19 | 29.1 | 17 | 14.2 | 26.1 | 18 | 6 | 34 |
| ø3/8 | KQ2E11-00M□ | M20 × 1 | 24 | 31.9 | 21 | 15.6 | 35.3 | 29.1 | 7 | 66.1 |
| ø1/2 | KQ2E13-00M□ | M22 × 1 | 27 | 34.7 | 23 | 17 | 66.0 | 51.7 | 9.6 | 59.9 |
*□: A (Brass), N (Brass + electroless nickel plating)
| Applicable tube outer diameter (inches) | Model | T (M) | H (width across flats) | Release Button Dimensions | L | Mounting hole | M | Effective area (mm2) | Minimum hole diameter | Weight g | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| X | Y | Nylon | Urethane | |||||||||
| ø3/16 | KQ2E05-00M□1 | M14 × 1 | 17 | 8.4 | 11 | 27.3 | 15 | 13.3 | 7.8 | 6.5 | 3.5 | 30.5 |
| Tube materials | FEP, PFA, nylon, soft nylon, polyurethane |
|---|---|
| Tube outer diameter | ø1/8 ", ø5/32 ", ø3/16 " |
Applicable Tubing
| Usable fluids | Air, water Note 1: | |
|---|---|---|
| Operating pressure range Note 2: | -100 kPa to 1 MPa | |
| Guaranteed proof pressure (at 23°C) | 3 MPa | |
| Ambient temperature and fluid temperature | -5 to 60°C, For water: 0 to 40°C (no freezing) | |
| Thread | Mounting section | ANSI/ASME 1.20.1 (NPT thread) JIS B0208 (UNF thread) |
| Nut section | JIS B0208 (UNF thread) | |
| Thread part seal | Sealing agent included | |
Specifications

Main part
| Body | C3604, PBT, PP |
|---|---|
| Stud | C3604 (thread part) |
| Chuck | SUS304 |
| Guide | SUS304 |
| Release button | POM |
| Seal, O-ring | NBR |
| Gasket | SUS304, NBR |
Note 1: Fittings without a thread portion and with all resin bodies are copper free specifications.
Note 2: The surge pressure must be under the maximum operating pressure.
Note 3: Do not use the fittings with a leak tester or for vacuum retention because they are not guaranteed for zero leakage.
| Part Number |
|---|
| KQ2E05-00MA |
| KQ2E05-00MA1 |
| KQ2E05-00MN |
| KQ2E05-00MN1 |
| KQ2E07-00MA |
| KQ2E07-00MN |
| KQ2E09-00MA |
| KQ2E09-00MN |
| KQ2E11-00MA |
| KQ2E11-00MN |
| KQ2E13-00MA |
| KQ2E13-00MN |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Body Material | Applicable Tube O.D.1 (φ) | Applicable Tube Outer Diameter 2 (φ) | Types of connection | Number of Connection Tubes (piece) | Color | Release button shape | Release button color | Custom-made specifications |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MYR 33.32 | 10 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass | 3/16 | 3/16 | Tube Connection | 2 | White | Perfect circle | Orange | N/A | ||
MYR 33.32 | 10 Piece(s) | 10 Day(s) or more | [Brass] PBT + Brass | 3/16 | 3/16 | Tube Connection | 2 | White | Ellipse | Orange | N/A | ||
MYR 34.01 | 10 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass (Electroless nickel plating) | 3/16 | 3/16 | Tube Connection | 2 | White | Perfect circle | Orange | N/A | ||
MYR 39.00 | 10 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass (Electroless nickel plating) | 3/16 | 3/16 | Tube Connection | 2 | White | Ellipse | Orange | N/A | ||
MYR 28.24 | 10 Piece(s) | 5 Day(s) or more | [Brass] PBT + Brass | 1/4 | 1/4 | Tube Connection | 2 | White | Perfect circle | Orange | N/A | ||
MYR 29.70 | 10 Piece(s) | 43 Day(s) | [Brass] PBT + Brass (Electroless nickel plating) | 1/4 | 1/4 | Tube Connection | 2 | White | Perfect circle | Orange | N/A | ||
MYR 36.32 | 10 Piece(s) | 10 Day(s) or more | [Brass] PBT + Brass | 5/16 | 5/16 | Tube Connection | 2 | White | Perfect circle | Orange | N/A | ||
MYR 37.76 | 10 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass (Electroless nickel plating) | 5/16 | 5/16 | Tube Connection | 2 | White | Perfect circle | Orange | N/A | ||
MYR 40.60 | 10 Piece(s) | 3 Day(s) | [Brass] PBT + Brass | 3/8 | 3/8 | Tube Connection | 2 | White | Perfect circle | Orange | N/A | ||
MYR 50.38 | 10 Piece(s) | 10 Day(s) or more | [Brass] PBT + Brass (Electroless nickel plating) | 3/8 | 3/8 | Tube Connection | 2 | White | Perfect circle | Orange | N/A | ||
MYR 49.10 | 10 Piece(s) | 43 Day(s) | [Brass] PBT + Brass | 1/2 | 1/2 | Tube Connection | 2 | White | Perfect circle | Orange | N/A | ||
MYR 51.90 | 10 Piece(s) | 43 Day(s) | [Brass] PBT + Brass (Electroless nickel plating) | 1/2 | 1/2 | Tube Connection | 2 | White | Perfect circle | Orange | N/A |
Loading...
| Fitting Type | Union with same diameter | Applicable Fluid | Water / Air | Types | Single-Action |
|---|---|---|---|---|---|
| Union, Equal Dia. | Bulkhead Union | Application | Standard/Mini | Packing, Material of O-Ring | NBR |
| Operating Temperature(°C) | -5::60 |
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