Quick couplings

Mini Cupla Super

The Nitto Kohki Mini Cupla Super is a compact quick-release coupling for pneumatic applications, available in steel (plug types S2xP/S3xP) and brass (socket types S2xS/S3xS) with NBR seals. Nominal sizes S22 and S33 cover two bore diameter ranges; connections are available as G external thread (H), G internal thread (F), nipple (N), and metric (M). The Mini Cupla Super is the most compact series in the Nitto Kohki programme for standard air applications and disconnects without residual pressure.

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  1. Quick connect coupling Mini Cupla Super S33SM, brass - Nitto Kohki 331103400
    €22.33

Buying guide

How to choose Mini Cupla Super

What matters when choosing: properties, comparison and typical applications.

Technical features

⚙ Steel plug / brass socket - Plug (P) in steel, socket (S) in brass, NBR seals for dry compressed air
↕ Nominal sizes S22 and S33 - Two bore diameter classes, each available as plug and socket
✓ Connections H, F, N, M - G external and internal thread, nipple, and metric available
⬡ Most compact format - Smallest body size in the Nitto Kohki range, for confined spaces and miniature pneumatics

Type overview

TypeRoleConnectionMaterialSeal
S22PH / S33PHPlugG externalSteel-
S225PH / S335PHPlugG external (short)Steel-
S22PF / S33PFPlugG internalSteel-
S22PN / S33PNPlugNippleSteel-
S22SH / S33SHSocketG externalBrassNBR
S22SF / S33SFSocketG internalBrassNBR
S22SM / S33SMSocketMetricBrassNBR
S22SN / S33SNSocketNippleBrassNBR

Typical applications

Typical applications: Miniature pneumatics in electronics manufacturing and laboratory automation, hose connections on pneumatic instruments and measuring equipment, compact control valve blocks, and applications where low weight and the smallest possible build size are required.