Profile: Saf-Air Products, Inc. is a supplier of aviation fuel and oil drain valves. Our products include pushtype fuel drain valves, lock open fuel drain valves, flush-mounted fuel drain valves and specialty fuel drain valves. Our push type fuel drain valves are close tolerance valves of simple design. Our SA5817-4C fuel drain valve is used with a 3/4″-16 bulkhead fitting to mount the valve flush with the outside skin of the plane.