Flat-face hydraulic push-to-connect couplings in different versions and series and from STAUFF. All commonly used connection types and nominal sizes. Made of carbon steel, in some cases with STAUFF zinc/nickel surface coating 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 and no ingress of air into the hydraulic circuit.