Inventors:
David M. Hambley - Calgary, CA
Philip Hambley - Calgary, CA
Cole Carothers - North Salt Lake City UT, US
Govert Bassett, II - Sandy UT, US
Assignee:
Newtech Filter Systems, Inc. - Calgary, Alberta
International Classification:
B01D 24/00, B01D 29/88, B01D 35/02, B23K 31/02
Abstract:
A filter underdrain apparatus and a method for manufacturing such apparatus. The apparatus includes a cover member, a water orifice member and a bottom member, each being individual pieces. The cover is placed over the water orifice member and connected thereto by welding. The bottom member is likewise connected to the cover and water orifice members by welding. A water passageway and an air passageway are defined in the inside of the assembled members. Water egress from the water passageway is provided by holes in the water orifice member and the cover. Air egress from the air passageway is provided by holes in the cover.