Diaphragm HST: in carbon steel, volume from 0.05 to 2.5 litri, threaded caps, high pressure application
H: in carbon steel, volume from 0.12 to 3.8 liters, not repairable execution, chamfered body, without welds, medium/high pressure application
HI: in carbon steel, volume from 0.5 to 2.8 liters, not repairable execution, chamfered body, without welds, high pressure application
For all version, is possible to provide special volume
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