Azuma Iron Works co.,LTD.

All Round Valve Manufacturer

Azuma Iron Works co.,LTD.

Products Lists

I. Blast Furnace Upper Part

II. Blast Furnace Lower Part

III. Blast Furnace Auxiliary
　　 Equipments

ＩＶ．General Industrial Plants

12. Automatic Open and Close Manhole

Operation time at automatic manhole could be in a short time and therefore maintenance time could be considerably shortened.

Automatic Open and Close Manhole

Automatic Open and Close Manhole

Products List
01. Blast Furnace Top Seal Valves　/　 02. Blast Furnace Top Bleeder Valves　/　 03. Blast Furnace Pressure Equalizing・Releasing Valves (Swing Type)　/　 04. Blast Furnace Secondary Pressure Equalizing Valve（EccentricType　Control・On-Off)　/　 05. Blast Furnace Gas Shut-off Valves　/　 06. Emergency Relief Valves(Inside Open Type & Swing Type)　/　 07. Blast Furnace Discharge Valves for Cyclone （Swing Type)　/　 08. Swing Valves for Gas Sampling　/　 09. Swing Valves for TV Camera　/　 10. Plug valves for Sounding　/　 11. Valves for Center Feeder of Cokes　/　 12. Automatic Open and Close Manhole　/　 13. Hot Blast Flow Control Valves　/　 14. Bleeder Valves for Annulus Pipe(Blow off Valves・Snort Valves)　/　 15. Tuyere Stock(Blow Pipe・Bend Pipe・Down Leg)　/　 16. Septum Valves　/　 17. Inlet Valves for TRT　/　 18. Inlet Shut-off Valves for TRT(Goggle Valve)(Common with Item 30)　/　 19. Emergency Shut-off Valves for TRT　/　 20. Control Valves for TRT　/　 21. By-Pass Valves for TRT　/　 22. Out-let Valves for TRT　/　 23. Dust Discharge Valves for DC　/　 24. Bleeder Valves for DC　/　 25. Pug Mill for DC　/　 26. Double Valves of Dust Discharge for Sinter Plant(under Main Duct)　/　 27. Triple Valves of Dust Discharge for Sinter Plant(under EP and Cyclone)　/　 28. Drain Recovery Valves for ulverized Coal Transport System　/　 29. Swing Valves for Slug Granulation System　/　 30. Goggle Valves(Common with Item 18)　/　 31. Large Size Butterfly Valves(Common with Item 45)　/　 32. Large Size Swing Butterfly Valves(Link Valve)(Common with Item 46)　/　 33. Large Size Damper(Common with Item 47)　/　 34. Oxegen Valves・Low temperature Valves　/　 35. Water Sealed Gas Seal valves　/　 36. Discharge Valve for Converter Gas Recovery Equipment　/　 37. Sludge Discharge Valves　/　 38. Dredge Valves　/　 39. Feeder Valves for Mud Melting Refuse-Burner(Shut off damper + Double Swing amper)　/　 40. Discharge Valves for Melting Refuse-Burner (Triple Swing damper)　/　 41. Blow off Valves　/　 42. Vacuum Valves　/　 43. Exhaust Ｇａs Dumper　/　 44. Plunger Valves　/　 45. Large Size Butterfly Valves(Common with Item 31)　/　 46. Large Size Swing Butterfly Valves(Link Valve)(Common with Item 32)　/　 47. Large Size Damper(Common with Item 33)