Flat-face hydraulic push-to-connect couplings in different versions and series from STAUFF. All commonly used connection types and nominal sizes. Made of carbon steel with zinc/nickel surface coating for several series for reliable corrosion protection. Longstanding experience, extensive range, high level of availability, fast delivery. Established in the market for many years as an original Voswinkel product. One-hand operation, low risk of leaks, no ingress of air into the hydraulic circuit suitable for use in rescue and clamping hydraulics.