TUBE FITTINGS Check Valves Check Valves Engineered for reliability, these check valves provide precise, one-way flow control to protect sensitive equipment and ensure system integrity. By preventing backflow with a dependable seal, these valves are crucial for any fluid or gas handling system that requires unidirectional flow. The check valves are offered in multiple housing and diaphragm materials to meet specific chemical compatibility and application needs. See the material spec sheet on our website for more detailed information on each housing material. • Polypropylene, Kynar ® PVDF, polycarbonate, nylon, or gamma stable polycarbonate housing • Viton™ FKM, neoprene, or silicone diaphragm • Pressure rating: 0.5 psi forward flow (crack); 1.9 psi secure back-pressure seal A. Standard Check Valves ----® ® ® ® Price ------------$.88 $.88 $.91 -Price $1.20 $1.07 $1.09 $1.15 $2.09 $2.15 $2.34 $2.66 $.98 $.98 $.83 $1.06 $.85 $.85 -$.93 -----------Price $.81 $.99 $1.17 $1.19 -----------$.94 --------------B. Threaded Check Valves ---$.98 ---$.85 ---$.82 ---$1.23 BUY MORE SAVE MORE / 5% on 30, 10% on 60, 15% on 180. Price $.98 $.99 $.99 $1.00 ® ® ® ® Price $.82 $.90 $1.00 $.87 ----------------$.91 $.91 $.92 $.94 $2.01 $2.04 $2.11 $2.25 $.96 $.97 $.98 $1.00 $.89 $.90 $.91 $.93 --$.51 --$.41 --$.49 --$.73 BUY MORE SAVE MORE / 5% on 30, 10% on 60, 15% on 180. C. Luer Check Valves with Silicone Diaphragms Price Price $1.81 $1.25 $2.11 $1.21 $1.81 $.84 $2.11 $2.06 $2.11 $2.03 $2.11 $1.66 $1.81 $1.69 $2.11 $1.66 $1.81 $1.29 BUY MORE SAVE MORE / 5% on 30, 10% on 60, 15% on 180. 278 United States Plastic Corporation ® Prices are subject to change. Check usplastic.com for current pricing.