CPC Main Group
F16K 47/00 Means in valves for absorbing fluid energy (for pipes F16L55/00)
4 direct subcodes
Child Classifications
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- F16K 47/02 for preventing water-hammer or noise
- F16K 47/04 for decreasing pressure , the throttle being incorporated in the closure member
- F16K 47/08 for decreasing pressure and having a throttling member separate from the closure member