The illustrations below only show the valves’ basic design; constructional features, such as the shape of plugs, may differ.
2-port valves
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Closing against the pressureNote
2-port valves do not become 3-port valves by removing the blank flange!
3-port valves
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Mixing valve (preferred use) |
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Diverting valve |
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Depending on the nominal valve size, a guided parabolic, perforated or slot plug is used – rigidly connected to the valve stem.
The seat is pressed into the valve body together with a special sealing compound.