Drain cover [Source: Original] [Author: Anping steel joint steel grid MILL] [Date: 13-07-29] [Heat: 291] drain cover Drain cover drain cover is divided according thoroughfare out, it is also called the gutter covers, water wells and other names, the company produces various types of drain cover, mainly used for sewage treatment plants, docks gutter cover, drain cover under the hotel, municipal sewage wells, carwash cover drains and other public places in accordance with the model division, the company can produce three types of drain cover a common type drain cover ordinary bearer trench cover depending on the choice of different flat steel production requirements. Usually made of Q235 materials steel: 25 * 5,30 * 5,32 * 5,40 * 5,50 * 5,60 * 5, flat pitch using 30mm or 40mm; using twisted square steel crossbar 6 * 6, and 8 * 8, 10 * 10, spacing usually 50mm or 100mm; pressure by large solder equipment for welding, cutting, edging, galvanized or painted processes produced. When installed on both sides need to ditch slotted laying flat or angle iron, steel mesh panels will be laid, take in a preset slot. It should be noted that the measurement gap to reserve trench width, we usually would when making a scale trench cover 5mm, as is easy to install. VAI pressure lock type drain cover steel joint press lock-type drain cover for heavy-load areas such as docks, workshops, factory and other needs through local heavy vehicles. So the pressure is also called heavy load lock groove decking trench cover, steel joint press lock groove decking on flat steel production process is slotted according to certain rules, then plug compression, welding, plastic, galvanized and other processes made . VAI is characterized by heavy load ditch cover grid size were associated with, each bite, beautifully harmonious, elegant, strong bearing capacity. Walking for high-density, pressure-locking trench cover heavy vehicles, cargo trucks and other occasions need larger size flat steel production, VAI pressure lock groove decking with 40 * 4.50 * 5.60 * 5 80 * 8,100 * 8,100 * 10,150 * 12 flat steel production, cover a length of not more than 1m. Trench cover is generally square or rectangular hole hole, hole size is 40 * 40 * 50 is 100 or more commonly used specifications. Third, anti-theft alarm drain cover VAI trench cover, is embedded anti-theft trench cover, also known as the sewer grate rain, drainage covers. Such products in the civil pouring concrete inside the frame, welded to the door hinge axis or the production of welding, easy to open, and has a good anti-theft capabilities.