Concrete pump rubber sealing rings

We are professional concrete pump parts manufacturer, all kinds of concrete pump rubber seal and O ring available. High quality, good price, quick delivery and excellent service ensured, tell us your requirment we will solve all your problems, contact now! Rubber seal Application:for concrete pump clamps Size: 2"--8" Material:Rubber Features: most popular and economical Polyurethane Rubber seal Application:for concrete pump clamps Size: 2"--8" Material:Polyurethane Features: