Sludge submersible pumps with patented "BRINKMANN suction ventilation system" are ideal for pumping cooling lubricants containing high levels of air (emulsions or cooling and cutting oils), such as occur with high machining through turning, milling or grinding. The suction submersible pumps reach a stable delivery state as soon as the liquid level covers the suction opening. SAL series with interchangeable flange optionally for vertical or horizontal pipe connection with pressure gauge connection G ¼ . | |