Specifications of Drainage Pit/Trench Cover:
1) Type: T, U, M, three standard type, and we can accept customization according to your special requirement
2) Material: Carbon steel/ stainless steel
3) Surface treatment: Hot-dip galvanizing, paint or other anti-corrosive coatings
4) Standard: YB/T4001.1-2007, ANSI/NAAMM, BS4592, AS1657
5) Application: draining well, park and civil projects, etc.
Features of Drainage Pit/Trench Cover:
1) Extended life from hot dip galvanizing
2) High hydraulic efficiencies due to maximum waterway created by narrow load bars Secure anchoring of frame in concrete from out turned frame angles and deformed steel rod anchors
3) Safe installation arising from low frame and grating weights
4) Safe opening and closing due to low weights and the availability of grating hinging
Type M Trench cover: usually use the grating with 50mm cross bar pitch to enhance the impact resistance.
Type T Trench cover: except for high way, T trench cover is suitable for all other roads, which are not crowded. Screw fixing is recommended to avoid danger. This kind of trench cover is used on T shape ditch, with angle steel searing frame. JGxxx/30/100 is generally used for making T trench cover, and other types are also available. For the trench covers used in public places, the grating with 50 mm cross bar pitch is recommended. Serrated type and I bar type grating is available according to customer requests
Type U Trench cover: regarding most concrete groove without edge, it would be very simple and economical to use U trench cover for there is no special requirement to groove edge. It’s suggested that angle steel should be filled in upper edge. If the loads are T-6 and T-14. The U trench prefab blocks are also available to prevent dirty water to leak in to earth. But U trench cover is just suitable for side ditch when a car need to cross it
Manufacturing of Drainage Pit/ Trench Cover
Material → Welding → Cutting → End plate welding → Surface treatment → Final shipment
Packaging for Drainage Pit/ Trench Cover
Shanghai Metal Products are packed and labeled according to the regulations and customer’s requests. Great care is taken to avoid any damage which might be caused during storage or transportation. In addition, clear labels are tagged on the outside of the packages for easy identification of the product I.D. and quality information.
1) Shanghai Metal Standard
We will contact with you within 8 hours