Composite Manhole Valve

– Mechanical strength 2.5 times that of steel
– Design according to BS EN124 standard in classes D400, C250, B125, A15
– Load bearing capacity from 1.5 to 40 tons depending on the valve class
– Anti-theft
– Anti-slip (according to national standard INSO14976 and international standard BS EN124)
– Electricity and heat insulation
– Equipped with unique locks and wrenches to prevent unauthorized access
– No noise pollution caused by passing vehicles through the hatch
– Possibility of opening the valve by only one person
– Possibility of passing electromagnetic signals through the valve
– Can be installed and operated in the temperature range of -50 to 220 degrees Celsius
– Shelf life over 40 years
– Resistance to moisture and a variety of chemicals
– UV resistant
– Possibility of the degree of the logo and other information of the employer on the valve
– In two sizes with diameters of 20 and 60 cm

Description

GRP (Glass Fiber Reinforced Polyester) composites produced by this method, with approximately 25% glass fibers and produced with very heavy presses, have a special mechanical strength of up to 2.5 times that of steel. Therefore, despite the fact that the composite valves produced in this way are up to 70% lighter than similar cast iron valves, they can show equal or even more mechanical properties than the desired cast iron valves.

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