DAB Pumps 4TW - Погружной асинхронный двухполюсный электрический мотор
4TW is a 4” submersible asynchronous two-pole electric motor made entirely of AISI 304 stainless steel for the parts in contact with water. The 4TWX version entirely in AISI 316 stainless steel is available on request.
Further info from manufacturer on 4TW DAB Pumps