2000 Series, 50 oz Pumps | Pump head

No. 2, Pump head front

Biwall, 16” long, ID-0.375” (ID-9.53 mm) OD-0.622” (OD-15.8 mm) beige color (E lubrication: Dow Corning 111/ Coat the entire outside surface of the tube.)

EPDM, 16” long, ID-0.375” (ID-9.53 mm) OD-0.622” (OD-15.8 mm) black color (E lubrication: Dow Corning 111/ Coat the entire outside surface of the tube.)

No. 1, Screw, phillips pan head, 10-32 x 1 1/4, requires 4 per pump, outside pump mounting

Beta tube, 16” long, ID-0.375” (ID-9.53 mm) OD-0.63” (OD-16.0 mm) beige color (E lubrication: Dow Corning 111/ Coat the entire outside surface of the tube.)

No. 4, Roller assembly, white, 1.20" OD

Solvent resistant tube, ID-0.375” (ID-9.53 mm) OD-0.622” (OD-15.8 mm) clear/pink color (G lubrication: PFPE/ Perfluro Polyether (high end vaseline).)

Viton, 16” long, ID-0.375” (ID-9.53 mm) OD-0.622” (OD-15.8 mm) black color (B lubrication: Vaseline (petroleum jelly)/ Coat the inside radius of tube along the path the roller will travel.)

No. 5, Screw, phillips flathead, 10/32" x 5/8", requires 4 per pump, inside pump mounting