●The specially structured casing enables self-priming without filling the suction pipe.
●The shaft seal uses a gland packing method for easy maintenance.
●All cast iron is the standard specification, so it can also be used for alkaline liquids.
● Use of sealed ball bearings eliminates the need to lubricate the bearings. (OH-3E to OH-6E)
(OH-7E to OH-9E are open ball bearings with grease injection)