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Handwheel colour coding Screwed Water Taps
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| Drinking Water Cold |
Drinking Water Hot |
Process Water Cold |
Process Water Hot |
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| Demineralised Water Cold |
High-Purity Water Cold |
Steam |
Hydrogen |
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| Butane / Propane |
Gas |
Methane |
Propane |
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| Acetylene |
Compressed Air |
Oxygen |
Nitrogen |
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| Carbon Dioxide |
Argon |
Helium |
Vacuum |
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| High Vacuum |
Other Gases |
Spare Gases |
Perchloric Acid |
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