Home/Product/Stainless Steel Round Manhole Cover LIWEI 7021

Stainless Steel Round Manhole Cover LIWEI 7021

Overview




Standard Design
  • American 3-A Sanitary Standard Certified (84-02)
  • Wetted material 1.4301/1.4404
  • Cover material 1.4301/1.4404
  • Silicone-gasket
  • 4 Plastic handle
  • Tempered glass
  • Outward-open
  • Surface matte-finish
  • OD 600mm
  • Full welding technology

    Options
  • Optional wetted materials 304,316,316L
  • Various surface qualities 0.4μm-0.8μm
  • Various surface finish: Mirror Polish, Sandblasted, etc.
  • Various handles: Stainless steel, etc.
  • Various gasket qualities
  • Neck thickness can be modified
  • Height can be modified
  • OD optional for 200/300/400/450/500
  • Gasket material optional for EPDM, FPM



    • Specs

    STANDARD SIZE /* At temperature 50℃/122℉
    CODE A OD×C BOLTS B P.MAX

    		mm mm mm mm bar
    7021 200 200 206×3.0 4 100 4
    7021 300 300 306×3.0 4/6 100 3.5
    7021 400 400 406×3.0 4/6 100 1.5
    7021 450 450 456×3.0 4/6 100 1.5
    7021 500 500 506×3.0 4/6 100 1.0
    7021 600 600 606×3.0 4/6 100 0.5
    IF YOU WANT TO CHECK FOR MORE DETAILS
    PLEASE CHECK THE FOLLOWING DRAWING
    *1BAR≈14.5PSI≈0.1MPA

    LIWEI Parts drawing
    GASKET
    Part No. Material Color
    7010 04 1 Silicone White
    7010 04 2 EPDM Black
    7010 04 3 FPM Black

    Item Description Material Qty
    1 Frame 1.4301/1.4404 1
    2 Cover 1.4301/1.4404 1
    3 Glass Tempered glass 1
    4 Flange T304 1
    5 Handle Plastic/1.4301 6
    6 Sight glass Tempered glass 1
    7 Seal PTFE 2
    8 Swing bolt T304 6
    9 Pin T304 1
    10 Nut T304 6
    11 Screw T304 6
    12 Hub T304 6
    13 Screw T304 12
    14 Cotter Pin T304 1

    LIWEI Technology
    TECHNICAL DATA
    Working pressure: . . . . . . . .Acc. to table standard size.
    EN10204. 3.1 certificate     		Options
    Stainless Steel Finishes
    POLISHED WITH RA (μ)
    BEAD BLASTED
    PICKLED : ON REQUEST
    ELECTRO POLISHED

    Cover & Frame Range
    Cover Thickness Frame/Neck Height
    20mm 85mm (3.35”)
    22mm 100mm (3.94”)
    35mm 120mm (4.72”)
    150mm (5.91”)
    200mm (7.76”)
    250mm (9.85”)
    Note: Longer heights are also available.


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