---
kind: "section"
citation: "46 C.F.R. § 154.550"
title: "46"
number: "154.550"
heading: "Excess flow valve: Bypass."
url: "https://uscodex.org/cfr/46/154.550"
---

# §154.550. Excess flow valve: Bypass.


If the excess flow valve allowed under [§ 154.532(b)](/cfr/46/154.532.md?p=b) has a bypass, the bypass must be of 1.0 mm (0.0394 in.) or less in diameter.


## Notes

### Authority

Authority: 46 U.S.C. 3703, 9101; Department of Homeland Security Delegation No. 0170.1.

### Source

Source: CGD 74-289, 44 FR 26009, May 3, 1979, unless otherwise noted.