Hot Gavlanized Concealed manhole cover with Key Hole for Walkway and Roads
Description:
Concealed manhole cover is used walkway.Metal Bar Grating is the workhorse of the industrial flooring market and has served industry for decades.Strong and durable with an exceptional strength-to-weight ratio, metal bar grating can be easily fabricated to nearly any configuration.The high percentage of open area makes bar grating practically maintenance-free and all products are fully recyclable.
Manufactured by assembling a series of equally spaced metal bars to connecting cross members, bar grating is available in three popular materials; mild carbon steel, 6000 series aluminum, and 300 series stainless steels. Additionally, Grating Pacific has the capacity to produce gratings constructed with other specialty metal alloys
A manhole cover is a removable plate forming the lid over the opening of a manhole, to prevent anyone fromfalling in and to keep unauthorized persons out
Gratings are manufactured in carbon steel and 300 series stainless steels. Carbon steel products are available bare (no finish), painted with manufacturers standard paint, or hot dip galvanized. Stainless steel products are available mill finish, commercially cleaned or electro-polished.
Process Flow
(1) materian
(2) pressure welding
(3) cutting
(4) welding of ends bar
(5) surface treatment
(6) final shipment
Product Picture