Class 250 Iron Body Automatic Stop Check Valves Freezing Weather Precaution Subsequent to testing a piping system, valves sh

Class 250 Iron Body Automatic Stop Check ValvesBolted Bonnet Angle Pattern Renewable Seatand Disc Bronze MountedMATERIAL LIST1. Handwheel Nut :Steel ASTM A 307 2. Identification Plate :Aluminum 3.Handwheel:Cast Iron ASTM A 126 Class B 4. Stem:Brass ASTM B 16 Alloy C36000 5. Yoke Bushing:Cast Bronze ASTM B 584 Alloy C84400 6. Bonnet :Cast Iron ASTM A 126 Class B 7. Gland Follower Stud :Steel ASTM A 307 8. Gland Follower Nut :Brass ASTM F 467 Alloy C27000 9. Gland Follower:Ductile Iron ASTM A 536 10. Packing Gland :Zinc Plated Powdered Iron ASTM B 783or Brass ASTM B 16 11. Packing :TFE Braided 12. 1 Butterfly Handle Nut :Steel ASTM A 307 13. 1 Butterfly Handle :Cast bronze ASTM B 584 Alloy C84400 14. 1 Control Valve Stem :Bronze ASTM B 371 Alloy C69400 15. 1 Control Valve Pack Nut :Cast Bronze ASTM B 584 Alloy C84400 16. 1 Control Valve Pack Gland:Brass ASTM B 16 Alloy C36000 17. 1 Control Valve Packing:Synthetic Fibers with Graphite 18. 1 Control Valve Body :Cast Bronze ASTM B 584 Alloy C84400 19. Hex Head Cap Screw :Steel ASTM A 307 20. Body Gasket :Reinforced Graphite 21. 1 Dashpot Gasket :Reinforced Graphite 22. 1 Dashpot :Cast Bronze ASTM B 584 Alloy C84400 23. 1 Piston-Disc Cast Iron ASTM A 126 Class B 24. 1 Piston Ring (2)TFE Composite Material 25. 1 Disc Face Ring :Cast Bronze ASTM B 584 Alloy C84400 26. 1 Seat Ring:Cast Bronze ASTM B 584 Alloy C84400 27. Body:Cast Iron ASTM A 126 Class B 28. 2 Piston Ring Collar :Brass ASTM B 16 Alloy C36000 29. 2 Disc Cage:Bronze ASTM B 62 Alloy C83600 30. 2 Teflon Disc TFE 31. 2 Disc Plate and Nut Bronze ASTM B 62 Alloy C83600 32. 2 Piston Rod Plug:Brass ASTM B 16 Alloy C36000 33. 2 Piston Rod Plug Pin Red Bronze ASTM B 140 Alloy C31400 1 4" thru 8" size only. 4" thru 8" have Cast Iron Disc with Bronze Disc Face Ring2 21/2" and 3" size only. 21/2" and 3" have Teflon Disc Ring Y series

Check Valve