Description. 100% port plug valves with chain or hand wheel actuators for the Deer Island Treatment Plant. Valves are to be installed in Raw Wastewater, Primary Sludge, Primary Scum, Secondary Scum, Waste Sludge, and other applications as specified and indicated. MANUFACTURERS DeZurik Model Number: PEF, 18, F1, CI, NBR, CR or NBR*GS-12A-CW20 Val-Matic Model Number: 5612F/5D24 Pratt Model Number: 1800-601N1AGDCWS3PF1 Or Equal. SIZE 18 Inch. MATERIALS Body: Cast Iron. Plug: One-piece construction ductile iron, ASTM A536 65-45-12. Multi piece plugs are not acceptable. Fully coated and encapsulated Grease and/or petroleum-resistant resilient Chloroprene or Acrylonitrile-Butadiene (NBR) with a rated minimum temperature rating range of 35’F to 105’F. Lubricated plugs are not acceptable.
