Normally 8-point fastening for 500mm manlid and 4 point for inspection hatch. 8mm thick neck/compensating ring. Profiled to suit tank radius. With TIR facility.
Options:
- Fastening Points: 2bar/4 points、3bar/6 points、4bar/8 points、6bar/10 points
- Hand nuts: Stainless steel and naval Brass
- Tank radius range: 850mm to 7450mm
- Seal Supplied Separately according to chemical medium.