Which Check Valve Should I Use?
Check valves are made in many types and configurations. Each type has unique desirable features, and some features are not necessary for your applications. APCO makes six (6) types and fourteen (14) styles of check valves, therefore, we offer the design engineer honest, objective application data so he may select the correct check valve for your installation. Check valves look different, but function the same. They allow flow thru in forward direction, and no flow (check) reverse. However, closing characteristics, flow area, head loss and cost for each type check valve, varies greatly. First observe these differences then select the check valve best suited for your application.
Automatic Control Check Valves
8000 Series	Excellent where Pump Discharge Control is essential, due to high velocities (10 FPS or more), and high pressures (over 100 PSI). Electrically operated, to permit remote control of automatic pump stations, features: Shut-Off Valve - Throttle Flow Valve - Control Check Valve - Drain Valve and during electrical power loss, this valve will automatically shut-off, without assistance. Equipped with manual override and replaceable Buna-N-Seat. Body-Cast Iron or Ductile Iron, Disc-Ductile Iron, Shaft-High Strength Stainless. Ratings 125#, 250#, 300# class. Availability 20 weeks Sizes 6" thru 48".
Technical Drawings   S -8000 C-8000
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