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Factory Manufacturer Threaded Static Brass Balancing Valves in HVAC Systems1
Valve, Balancing Valve, Brass Valve
Avannto Flow Controls Co., Ltd.
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Product Description DescriptionManual balancing valves are shut-off and regulating fittings designed to hydraulically connect individual circuits or branches (risers) in a heating system. In addition to heating systems, the valves can also be used in water supply systems to restrict the flow of user groups and to balance circulation pipes.Field of applicationBalancing valves are used in heating and water supply systems in buildings.Technical specifications1 ,Nominal diameter: DN 15-50 mm2, Maximum pressure:PN 16 bar3 ,Operating temperature: -10°C to +110°C4 ,connection:Threaded connection5, Tightness class: AOverall and connection dimensionsDNL, mmH, mminchesKg1574901/20.32075903/40.425789110.532959611/40.74010110411/20.95010611021.4Materials of construction1 Body : Brass2 Gasket : PTFE fluoroplastic3 Spool : Brass4 Gasket : PTFE5 Spindle : Brass6 Gland ring :EPDM7 Stop ring :Steel8 Handle : ABS plastic9 Screw :Steel10 O-ring :EPDM11 Nipple :BrassHydraulic characteristicsScale valueDN15DN20DN25DN32DN40DN50000000050.60.81.32.23.55.6101.21.72.84.87.712.4151.423.25.58.914.4201.62.23.56.19.815.7251.82.64.17.111.518.63022.84.57.712.419.9352.23.158.613.922.5402.33.25.28.914.423.3452.53.55.69.615.625.1502.63.65.89.21625.6552.83.96.310.817.527.7602.94.16.611.318.228.8653.14.3711.919.330.3703.24.47.212.319.931.1753.44.77.613.121.232.5803.44.87.713.221.533.2863.65.18.214.122.734.1903.75,28.414.323.234.69545.5915.424.834.9994.15.79.315.825.536.2Installation conditionsThe balancing valve can be installed in any mounting position. The position of the valve must allow for convenient adjustment.The direction of the working medium flow should coincide with the direction of the arrow on the valve body.The valves should be installed in accordance with the requirements of SP73.13330.2012 "Internal sanitary engineering systems".The balancing valve should be installed at the end of the regulated circuit to prevent it from blowing out.When installing the valves it is forbidden to apply to them torques exceeding the values specified in the table:DN 15 20 25 32 40 50Maximum torque, Nm 30 40 50 60 70 80Operating conditionsThe products must be operated at the pressure and temperature specified in the technical data table.Do not operate the valve with the handle screw removed or loosened.Do not allow solvents, paints and other substances aggressive to the handle material to come into contact with the valve handle.
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