PVC Schedule 80, Flange, Threaded, 1/2 in. to 4 in. Sizes

PVC Schedule 80 fittings are for use with chemical processing, industrial plating, chilled water distribution, deionized water lines, chemical drainage and waste water treatment systems. Standards and Specifications: NSF Standard 14 and 61 ASTM D 1784 - Material Type IV, Grade 1 (cell class 12454-B) Socket ASTM D-2467 Threaded ASTM D-2464 Torque Recommendation: Schedule 80 Plastic Flanges Flange Size - Recommended Torque 1/2 - 1-1/2 in. - 10 - 15 ft. lbs. 2 - 4 in. - 20 - 30 ft. lbs. 6 - 8 in. - 33 - 50 ft. lbs. 10 in. - 53 - 75 ft. lbs. 12 in. - 80 - 110 ft. lbs. Recommended torque is with a well lubricated bolt with flat washers under bolt head and nut. A criss-cross tightening pattern is suggested for the flange bolts. NOTE: PVC piping products ARE NOT RECOMMENDED for systems which transport or store compressed air or gases. Testing PVC piping products with compressed air or gases is also NOT RECOMMENDED.