Round covers and frames including 860 mm heavy duty
Circular Covers
Round covers seat evenly under load and cannot fall into the shaft. The range runs from Ø750 access covers up to an Ø860 heavy duty unit on an Ø1210 frame.
B125
C250
D400
- Manufactured to BS EN 124
- Cannot fall through the clear opening
- GRP sealing plate resting lip
- Badging and lettering to your specification
- Painted to customer requirement
In service
B125 · C250 · D400
Dimensional schedule
Specifications
All dimensions in millimetres. Tables scroll sideways on narrow screens.
Ø860 Circular Solid Top Heavy Duty Cover & Frame
1 references| Code | Clear Opening A | Over Base C×D | Depth E | Class |
|---|---|---|---|---|
| DI-25 | Ø860 | Ø1210 | 215 | D400 |
Ductile Iron Circular Solid Top Cover & Frame
8 references| Code | Clear Opening A | Over Base B | Depth E | GRP | Class |
|---|---|---|---|---|---|
| DI-31A | Ø750 | Ø870 | 50 | A | B125 |
| DI-37 | Ø900 | Ø1065 | 50 | A | B125 |
| DI-37A | Ø915 | Ø1040 | 50 | A | B125 |
| DI-31C | Ø750 | Ø900 | 75 | A | C250 |
| DI-34A | Ø900 | Ø1065 | 75 | A | C250 |
| DI-34 | Ø900 | Ø1065 | 100 | A | C250 |
| DI-33B | Ø800 | Ø950 | 100 | A | D400 |
| DI-31 | Ø750 | Ø900 | 100 | A | D400 |
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.