FAQ purchase trench cover | Air gold mesh (certified) | trench cover provided by Hebei Airlines Golden Screen Products Limited. Gold mesh Hebei Airlines Co. (www.hbhangjin.com) is specialized in the "steel grating, steel mesh, wire mesh fence," the enterprise, the company of "honesty, hard service" concept, to provide you with the most quality products and services. Welcome to inquire! Contact: Michelle bow. After a lot of customers called and asked trench cover specifications, some of them by our understanding of the needs of the ditch or gully size say rather vague, but also less likely to measure, first of all we should ditch the size, in order to have purchased the product size trench cover common problems, the following aircraft gold trench cover to be explained to you. Trench cover refers to the sewer, storm drain, such as gully cover trench cover on top of the production process, the main purpose is to prevent the safety of pedestrians, cars, etc., and sometimes also to protect the safety of the gully. With a variety of models to choose from to suit different load and span requirements. Widely used in municipal roads, garden facilities, residential areas, schools, stadium management and other different places. How to measure the size? 1, trench cover flat direction bearing (support) direction, according to ditch (wells) wide gaps remain flat fixed length L; 2, according to the ditch (well) long layout, taking in line with standard processing modulus plate width 995mm, leaving a gap between the plates 5mm; 3, ditch (well) remaining less than one meter long section modulus given by size; 4, according to the channel (well) and carries a wide selection of steel grating model requirements. Model how to choose? 1, for use in road traffic on the sidewalk, driveway, parking steel grating, dock or building ground trench cover, because of the different loads and dealers direction, the design and selection should be the actual situation consideration. 2, for the ditch on the road and crossing the ditch cover (dealers carrying flat direction parallel to the direction), not only to consider the wheel pressure, impact, need to prevent the risk of bouncing shift trench cover, you must ditch Cover and angle, support beams fixed (you can use fixed or welded steel grating installation clips). Hebei Airlines gold can be designed according to customer needs, you are welcome to inquire. Hebei Airlines Gold Wire Mesh Products Co., Ltd. is a large-scale steel grating production-oriented enterprises, has many years of production and sales experience, and gradually developed into a production, research and development, design, sales and after-sales service in one enterprise. In the actual production and marketing, and customer buying process, often encounter some professional terms, the following aircraft gold mesh for everyone introduce summary: Loaded steel: it is one of the main material for the steel grating, mainly for bear the load evenly rolled flat steel bearing on both ends of the steel beam. Chong teeth: on the flat edge of the semicircle punching small gap, to further enhance the ability of the front fender slip: as welded treads or stairs leading edge, the ability to enhance skid plates degrees: in parallel with the crossbar The direction of the amount of steel grating size was even than the "length" under long, also referred to as the bar: a square cross-section through twisted steel bars, in the direction perpendicular to the bearing bars welded to the subject on for a fixed flat plate Hemming: Loaded with flat flat with the same cross section, with the ends of the bearing bars by welding, when edging or open gaps need this package side panels Edge . Stalls side: higher than 100MM trench cover plate Hemming production process, welding or at the edge of the openings of steel grating to prevent the person or thing required drop height by a specified user profile side panels. Plate Length: the total size of the amount obtained by the direction parallel to the bearing bars, even in the case of shorter than the width, also known as the total length, when in the design or writing orders after the dimension with which the parent lb (LOADBAR) . Hole or gap: from cutting steel lattice board clouds part, let piping, equipment trench cover, by post or railing, or avoiding obstacles. Net area: removing part of the area of ??the openings and gaps. Gross Area: Area (w X l), including the opening and notched section of steel grating calculated maximum external dimensions (contract area in terms of gross floor area width). In actual purchase any questions you can contact us and look forward to working with you.