Two-piece covers for large clear openings

Double Triangular & Semi Circular

Two-piece triangular and semi-circular covers give a large clear opening while keeping each leaf within safe manual handling weight. The diagonal split spreads wheel load away from the seating.

D400

Manufactured to BS EN 124
Large clear opening, manageable individual leaf weight
Optional GRP sealing plate provision
Badging and lettering to your specification
Painted to customer requirement

Enquire about Double Triangular & Semi Circular

Typical arrangement D400

Dimensional schedule

Specifications

All dimensions in millimetres. Tables scroll sideways on narrow screens.

Ductile Iron Double Triangular Cover & Frame

15 references

Code	Clear Opening A×B	Over Base C×D	Depth E	GRP	Class	Cert.
DI-2	300 × 300	410 × 410	100	N/A	D400	Y
DI-3M	600 × 600	770 × 770	100	A	D400	Y
DI-3B	600 × 600	760 × 760	100	N/A	D400	Y
DI-4B	675 × 675	835 × 835	100	N/A	D400	Y
DI-7B	750 × 600	910 × 760	100	N/A	D400	Y
DI-36	750 × 750	910 × 910	100	N/A	D400	Y
DI-35	900 × 600	1060 × 760	100	N/A	D400	Y
DI-5	900 × 900	1060 × 1060	100	N/A	D400	Y
DI-5G	900 × 900	1160 × 1160	127	A	D400	–
DI-10	1000 × 1000	1160 × 1160	100	N/A	D400	–
DI-10G	1000 × 1000	1150 × 1150	100	A	D400	Y
DI-15	Ø675	790 × 790	100	A	D400	Y
DI-15A	675 × 675	790 × 790	100	A	D400	Y
DI-15D	Ø750	910 × 910	100	A	D400	–
DI-15E	750 × 750	910 × 910	100	A	D400	–

Ductile Iron Double Semi Circular Cover & Frame

1 references

Code	Clear Opening A	Over Base C×D	Depth E	GRP	Class	Cert.
DI-SC1	Ø600	750 × 750	100	Y	D400	Y

Legend — S.S / D.S: single seal / double seal · GRP: provision for a GRP sealing plate (A available, NA not applicable) · Cert.: third-party certified (Kitemark) version available on request. Dimensions are nominal and subject to casting tolerance; confirm against the approved drawing before building the chamber.