Available in : Air Cooled and Water Cooled ( Water cooled subject to availability ) Accessories: Drive Set -â??Vâ?? Belt drives. (Fly wheel, Motor pulley). Belts. for a wide range of standard speeds. - Direct drive. (Flexible coupling) Base frame, Slide rails for motor with foundation bolts. Stop valves (shut-off) for suction & discharge lines. Electrically operated solenoid valves for capacity control. Pressure gauges & Safety pressure cutouts, Crankcase heater & Oil separator.