RW AD Submersible Explosion Proof Sewage Pumps comply with the ATEX directive 94/9/EC. Their ATEX classification is Eexd-IIB-T3-II-2-G for use in Group II areas (surface industries, but not mining), and Category 2-G gases (“hazardous atmospheres… likely… for short periods”). They have vortex impellers and are of cast iron construction. Available as free-standing or for guide rail mounting when supplied with an auto-coupling kit.