Rotation direction: R indicates clockwise, and L indicates counterclockwise.
Sealing: P refers to NBR (nitrile butadiene rubber, conforming to DIN ISO 1629) with FKM shaft seal, and V refers to FKM (fluororubber, conforming to DIN ISO 1629).
Shaft end: P refers to a straight shaft with a key in accordance with DIN 6885, S refers to a splined shaft in accordance with SAE, and R refers to a splined shaft in accordance with SAE (higher through-shaft driving torque).
Mounting flange: A refers to the ISO standard with 2 holes, and B refers to the ISO standard with 4 holes.
Working oil port connection: The pressure oil port B and the suction oil port S are in opposite directions, and SAE oil ports with metric fixing screws are used.