Manual Gratings

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TYPE OF GRATING :

  • PLANE GRATING
  • SERRATED GRATING

    Grating Applications :
  • Industrial floorings - Maintenance Walkways
  • Drain covers - Drainage
  • Compound walls
  • Light traffic access ramps and disable access ramps
  • Vertical cladding in architectural application
  • Stairways and Catwalks
  • Marine Industries
  • Tower Packing Support
  • Power Plant
  • Stair Treads

    Advantages of Grating :
  • Corrosion Resistant
  • Fire Retardant
  • High Impact Strength
  • Easy to Install
  • Light weight
  • Safe
  • In serration notches made on tip of the load
    bearing bar improve skid resistance


PLANE GRATING

PLANE GRATING

SERRATED GRATING

SERRATED GRATING

Required specification while ordering grating :

  • Material
  • Size of Bearing Bar
  • Type of Grating
  • Span
  • Dimension
  • Type of Noising At Stairs
  • State whether grating is to be fixed welded or type of fastening device required
  • Finish (Red Oxide, Painted, Galvanized)
  • Dispatch Instruction



NOMENCLATURE OF GRATINGS PRODUCT SPECIFICATIONS :
BEARING BAR OR LOAD BEARING BAR (BB) :
These bars support the load put on the grating and they are made from low carbon steel grade 152062.
MESH : It is the center distance between two adjacent bearing bars and cross bars.
CROSS BAR (CB) : They are positioned transversely across bearing bars and are welded into them at their interaction point to provide lateral restraint. In steel Gratings, these are made of square twisted wire road from low carbon grade steel of SAE1008.
EDGE BINDING OR FRAME BAR (FB) : Bar fixed to the edge of the gratings and flush with the top of bearing bar.


PLANE GRATING
SERRATED GRATING

PLANE GRATING
PLANE GRATING

SPAN (S) : Total length between the supports, i.e. the extreme ends of the bearing bars. It is measured parallel to the bearing bar. (Length of the load bearing bar)
WIDTH (W) : It is the overall width of the panel measuring 90° to the load bearing bar.
CUT OUTS : The area of the gratings removed to allow structure, Pipe, Plant, Obstruction or handrail to be fitted in.
PRODUCT SPECIFICATIONS (ALL UNITS IN MM)
Bearing bar sizes (Plain or Serrated) : 25 x 3, 25 x 5, 30 x 3, 30 x 5, 32 x 5, 40 x 5,
                                                                  50 x 5, 60 x 5 and 70 x 5
Cross Bar sizes : 6 & 8 Square Twisted
Mesh sizes : Bearing Bar Pitches 30/33/35/40/41
Panel Sizes : 5000, 5700, 6000, 6100


PLANE GRATING
SERRATED GRATING

RECTANGULAR PATTERN
Most commonly used grating having bearing bar spaced
at C\C 40mm and cross bar spaced at C\C 100mm
Having bearing bar spaced at C\C 40mm and cross bar
spaced at C\C 50mm


PLANE GRATING
SERRATED GRATING





Contact Us

Parmar Industries
Gat No. 13 & 20, Sahajpur Industrial Area,
B/h. Perfect Engine Component, Village-Sahajpur,
Pune-Sholapur Road, Near Urulikanchan,
Pune - 412202 Maharashtra, India.
Tel. No. : +91 - 2119 - 242041
Mobile : +91 - 9371232231