Babacan Group manufactures rubber spare parts for Waitzinger concrete pumps (Waitzinger Baumaschinen, Germany). Waitzinger stationary and truck-mounted concrete pumps require alkaline-resistant rubber spare parts for concrete-contact surfaces. All Waitzinger rubber parts are formulated in EPDM or chloroprene compounds for compatibility with fresh concrete at pH 12-13.Available Waitzinger rubber parts: S-valve and rock valve wear rubber, spectacle plate seals, hydraulic cylinder seals, boom pipe coupling gaskets, waterbox rubber components, and agitator shaft seals. Compatible with Waitzinger W series truck-mounted boom pumps and stationary pump models. Manufactured under ISO 9001:2015.Waitzinger compatible rubber parts supplied to concrete contractors and pump service centers. Request a quote with your Waitzinger pump model.