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Fittings for General Purposes
One-touch Fittings KQ2
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・Can be used in vacuum to –100 kPa
・Body types: Total of 51 models
・Thread material/Surface treatment (Treated or Non-treated): 2 types
・Selectable surface treatments: Brass (No plating), Electroless nickel-plated brass
・Applicable tubing O.D.
Round Type
Metric： ø2, ø3.2, ø4, ø6, ø8, ø10, ø12, ø16
Inch：ø1/8'', ø5/32'', ø3/16'', ø1/4'', ø5/16'', ø3/8'', ø1/2''
Oval Type
Metric： ø3.2, ø4, ø6
Inch：ø1/8'', ø5/32'', ø3/16''
・Connection thread
Metric：M3, M5, M6
R,Rc ：1/8, 1/4, 3/8, 1/2
G：1/8, 1/4, 3/8, 1/2
NPT：10-32UNF, 1/16, 1/8, 1/4, 3/8, 1/2
Uni：1/8, 1/4, 3/8, 1/2
・Seal method
Sealant/Gasket seal
Face seal
Gasket seal（Uni thread）
| Series | Release button shape | Size | Connection thread |
|---|---|---|---|
| KQ2 | Oval Type | Metric, Inch | M，R，Rc，G，NPT，Uni |
| KQ2 | Round Type | Metric, Inch | M，R，Rc，G，NPT，Uni |
Features
Oval type release button added [New]
Improved tube insertion/removal
Insertion force: Max. 30% reduction
Removal force: Max. 20% reduction *
* Tube pulling out strength is ensured to be equivalent to existing model.
Compact and lightweight
Dimensions Height direction 24% shorter *
Dimensions Horizontal direction 23% shorter *
Weight 57% lighter *
* Existing model KQ2 series Male elbow/Applicable tubing O.D.: ø6/Connection thread: R1/8
KQ, KQ2 and KJ consolidated into "KQ2"
Enhanced variation, Lightweight, Compact
Selectable seal method *
* Connection thread: R, NPT
Selectable surface treatment
Brass (No plating)
Brass + Electroless nickel plated
Face seal adopted for threading.
Original thread construction which allows for the use of piping taper female threads (Rc, NPT)
Improved installability(Reduced tool-tightening after hand-tightening)
Oval Type/Round Type Variations
