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PCE
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Search for IPC and CPC classification codes or keywords
DIFF Subgroup
F22D 1/28

for direct heat transfer, e.g. by mixing water and steam

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Feed-water heaters, e.g. preheaters > for direct heat transfer, e.g. by mixing water and steam

CPC:

Feed-water heaters, i.e. economisers or like preheaters > for direct heat transfer, e.g. by mixing water and steam

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

Child Classifications

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  • F22D 1/30 with stages, steps, baffles, dishes, circular troughs, or other means to cause interrupted or cascading fall of water IPC+CPC Available in IPC and CPC