... for the detailed parametersFSR200G high pressure roots blower|roots pumpKey Features 1, the product line using clover-type impeller, spiral structure exhaust ... base, belt cover, fan, pulley, motor, pulley, V-belts, pressure gauge, suction silencer (with air filter), bolt, safety valve Fourth ... requirements) flexible joint, lubricating oil, exhaust muffler. FSR200G high pressure roots blower|roots pump