China Manufacturing Companies for Polymer Concrete Trench - B125 C250 Double Seal Manhole Cover – Mingda factory and suppliers

Manufacturing Companies for Polymer Concrete Trench - B125 C250 Double Seal Manhole Cover – Mingda

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Manufacturing Companies for Polymer Concrete Trench - B125 C250 Double Seal Manhole Cover – Mingda Detail:

Basic Info

Type: Clay Dry Sand

Casting Method: Directional Crystallization

Sand Core Type: Resin Sand Core

Material: Iron

Certification: SGS, ISO 9001:2008

Size: As Per Drawing

Additional Info

Packaging: standard export package

Productivity: 100 Ton/Month

Brand: Mingda

Transportation: Ocean,Land,Air

Place of Origin: China

Supply Ability: 100pcs/day

Certificate: ISO9001

Port: Tianjin

Product Description

FRAME

It is produced in one unique casting, without gasket, assuring its stability through a metal coupling. The support zone is realized with a double groove channel shape so that it is possible to obtain a watertight system. In the external part of the item, it has a specific structure which is able to optimize the cement mortar capacity and the inserting of anchoring items.

COVER

It is square shaped and it ensures stability thanks to external edge height and joint depth. The double groove guarantees a good closing and it is predisposed to the GRP plate. On its surface there are two blind holes

useful to insert lifting handles and to facilitate the opening.

All the covers are interchangeable. Their surface is antiskid and it is specifically shaped to ensure the complete outflow of the water avoiding the ice formation.

NORM EN 124 CLASSIFICATION AND LOCATION

Manhole covers, gullies and gratings can be divided into the following classes: A15, B125, C250, D400, E600 and F900

Group 3 (Class C 250 minimum), Group 2 (Class B125 minimum): for gullies installed in kerbside channels of the pavement which , extends to 0.5 m in the road and to 0.2 m top on the pavement, when measured from the edge.

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The sales manager has a good English level and skilled professional knowledge, we have a good communication. He is a warm and cheerful man, we have a pleasant cooperation and we became very good friends in private.