For Heavy Duty applications like D400 or E600 grades

• Shape: One and double piece (3 point suspension).
• Solid top Manhole covers and frames,
• Available coatings are zinc, bitumen and red oxide (optional),
• Single and double seal (optional),
• Anti-theft captive hinged (optional)/ Lockable, Non Rocking, Anti skid
• Round and Square sizes
• Sizes based on CLEAR OPENING.
• Standards as per BS 497/ EN124-2 or ASTM F-1143/1144.
• Material as per BS EN 1561 and/or 1563
• Frame Depth from 40mm to 100 mm