Sidewalk Square To Round Manhole Cover Polishing Surface Finished Rustproof
Square Manhole Cover size:According to the customers' need
Features
Airtight when sealing groove is filled with grease or other suitable compound.
| Type of manhole cover and frame | Grade | Test requirements | |||
| Diameter of block (mm) | Test load (t) | ||||
| <>Type MA2-29/29 A&B (DS1039B, DS1035B) | Heavy duty | 300 | 20 | ||
| Type MA2-45/45 A&B (DS1040B, DS1036B) | Heavy duty | 300 | 20 | ||
| Type MC2-29/29 A&B (DS1041B, DS1037B) | Medum duty | 100 | 5 | ||
| Type MA2-45/45 A&B (DS1042B, DS1038B) | Medium duty | 100 |
| ||
product used
The product was used for the roads / idewalk / highway / airport

Advantage
a. Best Raw material
b. Good service
c. Competitive price
d. Fast delivery
e. High quality products