WEH® Quick Connector TW221
The WEH® TW221 is a quick connector designed for pressure and vacuum testing, filling, and evacuating components at low pressure (up to 3 bar). It connects easily to straight bores and internal tube diameters (Ø 9.5 mm to 24.4 mm) using a manual clamping lever—no hand tightening or seal adjustment required.
Key Features:
Quick and secure connection in seconds
Compatible with copper, steel, and aluminium tubes
Handles tube tolerances up to ± 0.25 mm
Ideal for automotive, HVAC, and e-mobility industries
Suitable for testing engines, compressors, valves, EV cooling systems, and more
Specifications:
Max. operating pressure: 3 bar
Temperature range: +5 °C to +80 °C
Leak rate: 1 x 10 {³ mbar x l/s
Actuation: Manual via clamping lever
Material: Anodized aluminium / Stainless steel
Sealing: SBR front seal