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Siemens VBG31.25 Three Port Valve
Description Of Part
3-port slipper valves PN 10 with externally threaded connections DN20...40‚ series 02 The mounting sets are not included. - With externally threaded connections to ISO 228-1 - For chilled or low-temperature hot water in closed circuits - With manual adjuster - With screwed fittings
Angular rotation 90 °
Leakage rate 0...0.1 % of kvs value
Medium temperature 1...120 °C
Valve characteristic Linear
Permissible operating pressure 1000 kPa
Material‚ valve body Cast iron EN-GJL-250
Material‚ inside set Stainless steel/brass
VBG31.. are supplied with malleable cast iron fittings