Concrete Pump Rubber Hose 1. Material: Black NR and BR synthetic rubber . 2.Reinforcement:Spiral textile/steel wire. 3. Widely application: Schwing PM SANY Zoomlion and other brand concrete pump trucks. 4.Cover:Abrasion resistantant,heat and ozone resistant. 5.Inside diameter:50-152mm 6.Working pressure:8.5 MPA |