DMS1D4/45D/KT

Tristar D400 hinged circular manhole cover 450mm diameter clear opening with 100mm frame depth

Specification Knowledge base

Stock code	Range	Overall frame (mm)	Clear opening (mm)	Frame depth (mm)	Options	My Wrekin
DMS1D4/45D/KT	Tristar	Ø 620	Ø 450	100	Options Screw locking Integral badging Ventilation holes Flood and odour control plate	Quantity	Download

The enlarged frame corners help to dissipate loads onto the foundation, providing a longer service life and increased reliability.
The enlarged frame corners help to dissipate loads onto the foundation, providing a longer service life and increased reliability.
Indexed corners ensure correct orientation first time, every time.
Indexed corners ensure correct orientation first time, every time.
Safety keyway prevents accidental disengagement of the lifting key during the handling process.
Safety keyway prevents accidental disengagement of the lifting key during the handling process.
Safety-stop hinges prevent covers from falling once opened.
Safety-stop hinges prevent covers from falling once opened.
Spring bar low security locking feature.
Spring bar low security locking feature.
70+ PSRV tested at top surface of chequer by UKAS accredited 3rd party.
70+ PSRV tested at top surface of chequer by UKAS accredited 3rd party.