Duct & Fittings: Size D = 50 to 3000mm or A x B = 100 to 1000 x 200 to 1500mm Type - Circular Rectangular Capacity - Internal Pressure upto 2.5 Bar Vaccum upto 760mm Hg FRP/GRO equipments Raw Materials.

Chimney, Stack, Tower: Size range D = 100 to 3000, H = upto 30 ktrs. Type - Self supporting Supported by Guy Ropes Supported on structure Stack, Tower will be made in segments and flanges jointed Canopy or Rain Cap on top can be provided Stack designed for - Static wind load Dynamic wind load Self weight Internal pressure / Vacuum Earthquake load Vibration / Oscillation Specification BS 4994 IS 875 / 1872 / 6573 Stack will be Fire Retardant with Class 1 Fire Rating Construction Hand Lay Up Filament wound.

Pipe & Fittings: Diameter D = 20 to 2000 NB Pressure Range Bar- 1, 1.5, 2.5, 3.2, 4, 6, 8, 10, 16, 20 Psi_20, 40, 60, 80, 100, 125, 150, 200, 250, 300 Construction: Hand Lay up Hand Wound Specification: Pipe Surface- Very smooth, Glossy, Resin rich, UV stabilisezed, Paraffin waxed outside surface-Very Smooth, Glossy, Gel coated with Surface Vell inside unlined FRP surface Site Jointing / Welding FRP LINEARS Sealing Butt Fusion Overlay up Socket Fusion Flanged Solvent Cementing Threaded Hot Air Welding Coupled Extrusion Welding Supports - Distance betwe

Grating Systems: Method of manufacturing: Moulded - Grating made by casting in mould to obtain one piece, monolithic construction Pultruded - Grating made by assembling load bearing and supporting members made by pultrusion Top Surface: Plain finished surface - Plain, even without any burs. Anti-skid - Surface with quartz to reduce slipperiness. Checkered plate - FRP antiskid plate embedded with grating. Plain plate - FRP plain plate embedded with grating Characteristics: Standard - With economy or isopthalic resin system F