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            Dratnage Pit / Trench Cover

            Short Description:


          4. Payment Terms: L/C,D/A,D/P,T/T
          5. port of loading: ningbo
          6. delivery time: 10-15days
          7. certification: CE,ISO9001-2015,ISO14001 and OHSAS18001
          8. Product Detail

            Product Tags

            Dratnage Pit / Trench Cover
            1. Grating trench cover used in walkway, carriageway, courtyard or other constructions. Used as cover for drainage trench, wireway, subway, air pit, etc. Hot-dip-galvanizing for surface treatment.
            2. Grating trench cover composed by fixed fram & removable grating cover. It can be noted as GT & GU in terms of their different structures.
            3. Grating pit cover used in catch basin, sand sediment trap, draining well, & sink hole for road, park & other civil projects. It’s generally designed as the evertile & its start-stop angle is 110°. The grating with pin joint is not only good to guard against theft but also simplify the construction procedure.

            ?Class of Loading for Drainage Trench/Pit Cover

            Class of Load

            Fully Laden(kg)

            Back Single-wheel Load(KN)

            Wheel-pressure Area a×b (mm2)

            T-25

            25,000

            100

            200×500

            T-20

            20,000

            80

            200×500

            T-14

            14,000

            56

            200×500

            T-6

            6,000

            24

            200×240

            T-2

            2,000

            8

            200×160

            Learn Steel Grating

            Steel Grating Standard

            Steel Material Standard Hot galvanizing Standard
            China: YB/T4001.1-2007 China: GB700-2006 China: GB/T13912-2002
            U.S.A: ANSI/NAAMM U.S.A: ASTM(A36) U.S.A: ASTM(A123)
            U.K: BS4592 U.K: BS4360(43A) U.K: BS729
            Australia: AS1657 Australia: AS3679 Australia: AS1650

            ggb7
            1. Bearing bar pitches may be 12.5 to 15, 20, 30,32.5,34.3, 40,60mm,of which 30mm & 40mm are recommended.?
            2. Cross bar pitches may be 38,50,60, to 100mm, of which 50mm & 100mm are recommended.?
            3. Sign of the shape of bearing bars. F - Plain style (may be omitted in the symbol of steel grating); S - Serrated style; I – I-shape style?
            4. Sign of surface treatment. G - Hot galvanizing (may be omitted in the symbol of steel grating); P - Painted; U – untreated

             

            FIELDS OF APPLICATION :
            1. Light chemical industry/Petro-chemistry/Machinery industry/Textile chemistry/Port engineering
            2.Oil and grease chemistry/Agriculture husbandry/Horticulture/Steel industry/Waste disposale
            3.Food processing/Aquatic breeding/Fertiliazer industry/Phamaceutical industry/Parking lots
            4.Cement plants/Oil refinery/Mining and refinery/Power plants/Public utilties
            5.Marine engineering/Shipbuilding/Construction material industry/Defense projects/Airport projects
            6.Water plants/Sewage disposal/Paper and pulp industry/Construction industry/Transportation industry/Automotive industry
            COMMON USES OF GRATING :
            Flooring??Catwalks??Mezzanines/decking??Stair tread??Fencing
            Vault bin floors??Ramps??Docks??Trench covers??Window and machinery safe guards?
            Entilation screens??Storage racks??Suspended ceiling??Drainage pit cover??Wash racks??

            Type of Steel Grating

            Comparison of Feature:

            ?ggb2 ?ggb3 ?ggb4

            Plain:One of the most widely used grating, available for flooring, sidewalk, dranage pit cover, stair tread, etc.

            Serrated:Better non-skid property & safety comparing to plain grating.

            I-shape:Lighter, more economical and practical comparing to plain grating.

            TIM20180920172336


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