Platform steel grating design and production often requires openings national standard steel grating YB in / T4001.-2007 also has a detailed description. 1. opening form: Hole in the form of steel grid plate in two ways: the opening round and square (oval) hole. For the last row of tubes in principle with a square (oval) hole for the single tube may be circular or square opening unified. 2. opening the relevant parameters measured: in construction, the actual parameter measurement (drawing data) directly affects the steel grating dimensions are accurate. Requirements steel grating openings reference point and reference point pipeline installation of the same, the actual diameter of the pipe measured deviation ± 10mm. 3. The hole crossed Requirements: According to the reference point, the specific location of the plot size opening draw, drawing lines in the process of taking into account the thermal expansion of the pipe, insulation margin. The opening specific implementation requirements: steel grating surface is generally galvanized, according to dash-line position by mechanical cutting all kinds of custom bonding steel grating, and make the work surface smooth, clean, easy the next construction; when unified opening round (or square), its radius (or side length / 2) Perform the following standards. Our company can provide you with professional custom, details call. In contemporary society, the platform steel grating played an increasingly important role in urban planning. Because the structural characteristics of the platform steel grating product has not dirt, not plot rain and snow, not water, self-cleaning, easy maintenance, ventilation, lighting, cooling, slip-proof and good features, you can save the trouble of doing cleanup . Steel grating appeared just to meet the now been calling for resource-saving slogans, as renewable resources are increasingly scarce, the economy and the rapid development of the problem of resources has become a major problem, improve resource utilization is now community strongly advocated, it has a long service life, save material, carrying capacity and high platform steel grating conform to the development of the times. The amount of current annual platform steel grating is about 30 million tons, the market prospect is very broad. Hebei Airlines Co., Ltd. as a professional gold mesh steel grating manufacturer, we also adapt to the times, continuously improving technology, improve product quality, gradually formed its own brand. I set the company R & D, design, production, sales, products sold throughout the country, strength of the company, my company has advanced CAD mapping technology, professional design staff five stainless steel grill cover much money, huge production force Galvanized steel grating platform manufacturers, strict quality inspection team, a sound service system. Hang gold to bring you a professional, industry-leading level, welcome new and old customers to visit our company, to discuss cooperation. Stainless steel grille cover much money | Air grating magic complete specifications | steel grille by gold mesh Products Co., Ltd. Hebei Airlines. Gold mesh Hebei Airlines Co. (www.hbhangjin.com) quality of service and products, continue to receive the recognition and trust of new and old customers and the industry. Our company is a certified member of the whole alliance network operators, business alliance customer service icon on the page, you can talk directly with our customer service staff, to our future cooperation happy!