Series QR1-S standard - inch

Push-in fittings

The Aventics Series QR1-S Standard in inch dimensions (305 variants) complements the metric standard programme for systems based on American or British pipe standards. Tube connections are in inch outside diameters D 1/8", D 5/32", D 3/8" and D 1/4"; port threads conform to NPT and NPTF standards in 1/8", 1/4", 3/8" and 1/2".

The type code follows the same scheme as the metric version: QR1-S-RWD for male-thread straight fittings, QR1-S-RID for straight push-in fittings, QR1-S-RIW for elbow push-in fittings. The D prefix identifies inch dimensions (e.g. D012 = 1/2", N038 = NPT 3/8").

Type codeFitting formTube dimension
RWDStraight male-thread fittingD 1/8"-D 1/2", NPT/NPTF
RIDStraight push-in, inch tubeD012-D038
RIWElbow push-in, inch tubeD012-D038
RAYTee fittingD012-D038
RMT / RMGReducer fittingD038-D516
RSI / RSMPush-in socket / sleeveD012-D038

⚙ 305 variants - complete inch programme parallel to the metric QR1-S line
📦 NPT/NPTF port threads - compatible with American and British pipe thread standards
✓ Tool-free push-in assembly - same technique as metric version
⚡ Brass body with plastic clamping element - proven QR1-S design in inch dimensions
⚙ Direct replacement - substitute for OEM connections in inch systems without dimension conversion

Typical applications: Machines and installations with American pneumatic components or NPT pipe thread standard, export projects for the North American market, retrofit of existing plant with inch tube cross-sections, vehicle construction and mobile hydraulics using Anglo-American standards, and mixed installations where metric and inch parts are used side by side.

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