Graco 122868 PISTON INJECTOR,PD CAST W O NIPPLE 3500 duty_standard the Viper AS530R micro rider scrubber Includes four sizes 1 the Viper AS530R micro rider scrubber is designed for efficient and comfortable cleaning in commercial settings One of three vertical LPG cylinder storage options and nine modular styles for comprehensive vertical and horizontal storage solutions The Graco 122868 Piston Injector is a complete cast PD (positive displacement) unit in the Series 3500 line with three outlets and a red plug color It operates at pressures from 145 to 653 psi (10 to 45 bar) and is designed for oil fluid types with viscosity from 32 to 2000 MM^2 S (