Brumby makes submersible pumps including the S2 pump, with two valves for low flow applications up to 150 gallons per hour for 100mm or larger well/bore casings. They also make the S1 pump, with a submersion to lift ratio of >1/3, the L2 pump which is 2.2 meters long for use with or without a controller, and 240V, 12V, and combo packages, as well as flow switches and fail open solenoid valves.