Job NameContractorJob LocationApproval EngineerContractor P.O. No. ApprovalRepresentative > Series 6 will operate efficiently in silence all of the functions of aswing check or vertical lift check valve. These are not suggested for installation in sewage ejector piping.Series P-6 is a > Watts 6 1 ⁄ 4 " - 3 ⁄ 8 " (8-10mm)Watts 6 1 ⁄ > 4 " (8 mm) NPT plastic check valve. > Series 6 > 1 ⁄ 2 " - 1" (15-25mm) Elastomer seat Installation in horizontal or vertical position Low pressure drop; low opening pressure Positive back stop Watts P6 Series Brass bodySeries P-6 Plastic check valve Extremely low cracking pressure Full flow capabilities Bubble-tight seating Corrosion-resistant NSF approved grade acetal body > Watts P6Male x MaleWatts P6Female x Female General Industrial and PlumbingOEM applications > Warning: Do not use for reciprocating air compressor service. 200 psi (13.8 bars) Series 6 Pressure: Maximum temperature: 180 F (82 а C) Series P-6Pressure: 235 psi (16.2 bars) Maximum temperature: 150 F (66 а C) > NPT threaded connectionsSeries 6 Female X Female only Sizes: > 1 ⁄ > 4 ", > 3 ⁄ > 8 ", > 1 ⁄ > 2 ", > 3 ⁄ > 4 ", 1" (8, 10, 15, 20, 25 mm) Unique Positive Check Module Series P-6Sizes: > 1 ⁄ > 4 " (8 mm) To order P-6 check valves, use the following: 01 for F x F (female x female)02 for M x F (male x female)03 for M x M (male x male) Example: 1/4" P6-03 > USA: 815 Chestnut St., No. Andover, MA 01845-6098; www.wattsreg.com Canada: 5435 North Service Rd., Burlington, ONT. L7L 5H7; www.wattscda.com size="-3">