Heavy plumbing manhole cover T(С250)B
"T-С250" manhole cover is installed on dense city highways.
Valve surface box
Purpose and technical characteristics of the product
The valve junction consists of a flanged body, profile, profile heads and cover.
The body and cover are made of gray cast iron GG-25 (GOST SC 25).
Corrosion protection: Body and cover are coated with 2-layered of bitumen paint PAL 5005/5015
General information and specifications
| No | DETAIL | MATERIAL | QUANTITY |
| 1 | Body | Cast iron GG25 | 1 |
| 2 | Cover | Cast iron GG25 | 1 |
| 3 | Profile lower heading | Cast iron GG25 | 1 |
| 4 | Profile upper heading | Cast iron GG25 | 1 |
| 5 | Profile | Galvanized steel | 1 |
| 6 | Bolt-nut | Galvanized steel | 2 |
| 7 | Bolt-nut | Galvanized steel | 2 |
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