The 9176 Injection Manifold Is Designed For Use With Four (4) Chemical Injection Points Including Acid. A Sample Valve, Shut Off Valve, And Quick Release Unions Are Included For Easy Removal. The Material Is PVC, Schedule 40 And 80. There Are Four 1⁄2 FNPT, PVC, Injection Tees, One Is Schedule 80 For Acid. The Max Press Is 140 Psi @ 100°F (9.7 Bar @ 38°C). The Max Temp Is 140°F (60°C). Also Available With 2 Or 3 Chemical Injection Points.