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.

Structure and Specifications

Modified reference table for manhole valves according to BS EN 124 ver2 standard

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