China Heavy Duty Stainless Steel Manhole Covers, Find details about China Galvanized Trench Cover Grating, Floor Drain Grate from Heavy Duty Stainless Steel Manhole Covers
Type | GT type, GU type, GM type or customization |
Material | Low Carbon Steel or Stainless Steel |
Surface treatment | Hot-dip galvanizing or painted |
Standard | YB/T4001.1-2007, ANSI/NAAMM, BS4592, AS1657 |
Application | draining well, park and civil projects, etc |
Type of bearing bar | 25x5x3,32x5x3,38x5x3,50x7x4,60x7x4,...75x7x4mm |
Pitch of bearing bar | 12.5, 15, 20, 23.85, 25, 30, 30.16, 30.3, 34.3, 35, 40, 41, 60 mm |
Pitch of cross bar | 38,50,76,100,101.6mm |