Ball valves
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Standard ball valves
Description : Pre-insulated valves can be installed at all points on the network that are free from lateral expansion movements. They are mainly used to isolate networks. The ends of the main pipe are not insulated over a length of 150 mm. Standard valves can be supplied with geared actuators which are included from ND 350, to open and close the valve more easily. Welds on the HDPE sheath (...)
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Ball valves with air vents
Description : Pre-insulated valves with air vents are used to isolate and purge networks at points where this is necessary. They can be installed at all points on the network that are free from lateral expansion movements. Valves with air vents can be supplied with geared actuators which are included from ND 350, to open and close the valve more easily. The ends of main pipe are not (...)
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