---
kind: "section"
citation: "49 C.F.R. § 178.337-11"
title: "49"
number: "178.337-11"
heading: "Emergency discharge control."
url: "https://uscodex.org/cfr/49/178.337-11"
---

# §178.337-11. Emergency discharge control.

- (a) **Emergency discharge control equipment.** Emergency discharge control equipment must be installed in a liquid discharge line as specified by product and service in [§ 173.315(n)](/cfr/49/173.315.md?p=n) of this subchapter. The performance and certification requirements for emergency discharge control equipment are specified in [§ 173.315(n)](/cfr/49/173.315.md?p=n) of this subchapter and are not a part of the cargo tank motor vehicle certification made under this specification.
- (b) **Engine fuel lines.** On a truck-mounted cargo tank, emergency discharge control equipment is not required on an engine fuel line of not more than 3/4 NPT equipped with a valve having an integral excess flow valve or excess flow feature.

## Notes

### Amendments

[64 FR 28050, May 24, 1999]

### Source

Source: 29 FR 18975, Dec. 29, 1964, unless otherwise noted. Redesignated at 32 FR 5606, Apr. 5, 1967.

### Authority

Authority: 49 U.S.C. 5101-5128; 49 CFR 1.81 and 1.97.

### Amendments

[64 FR 28050, May 24, 1999]