Schedule 80 One-Piece Flange - 4 Inch Slip intended-usage_Residential The Proportional Feed feature is

The Proportional Feed feature is particularly useful to avoid overfeeding in small bodies of water

which have thicker walls than Schedule 40 and are rated for higher-pressure applications

The new pump head delivers more precise feed rates

loose ring that makes bolt alignment simple

Schedule 80 One-Piece Flange - 4 Inch Slip intended-usage_Residential The Proportional Feed feature isThis is a Schedule 80 One Piece Flange with a 4 inch slip (socket) connection. The Schedule 80 flanges are constructed of Rigid Poly (Vinyl Chloride) (PVC) Compounds and Chlorinated Poly Vinyl Chloride (CPVC) Compounds. Schedule 80 fittings are manufactured to ASTM D 2467 standards. This PVC flange complies with the perimeters specified in ANSI B16. 5 for bolt patterns. Maximum pressure rating is 150 PSI with a maximum operating temperature of 140