There are three purposes to this Ballot:
1. Add a section to NSF 50 to address special use suction fittings (ie the vacuum port fittings) within section 4 of NSF 50.
2. Update some normative references for reference year.
3. Amendment to Section 9 to allow for mechanical chemical feeding equipment that operates at a fixed rate as long as it is controlled by a chemical controller that meets the requirements of NSF 50 section 17 and as long as the mechanical chemical feeder has a method of mechanically restricting the maximum output per day. |
