Auxiliary devices for promoting water circulation

Introduced: September 1968

IPC and CPC are identically structured here. All 5 subcodes exist in both systems.

Child Classifications

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F22D 7/02 Saddles or like directing plates fitted to furnace tubes IPC+CPC Available in IPC and CPC
F22D 7/04 Injectors for water or steam IPC+CPC Available in IPC and CPC
F22D 7/06 Rotary devices, e.g. propellers IPC+CPC Available in IPC and CPC
F22D 7/12 Control devices IPC+CPC Available in IPC and CPC
F22D 7/14 specially adapted for locomotive boilers IPC+CPC Available in IPC and CPC