---
kind: "section"
citation: "46 C.F.R. § 154.540"
title: "46"
number: "154.540"
heading: "Quick-closing shut-off valves: Emergency shut-down system."
url: "https://uscodex.org/cfr/46/154.540"
---

# §154.540. Quick-closing shut-off valves: Emergency shut-down system.


The quick-closing shut-off valves under §§ [154.530](/cfr/46/154.530.md), [154.532](/cfr/46/154.532.md), and [154.538](/cfr/46/154.538.md) must have an emergency shut-down system that:

- (a) Closes all the valves;
- (b) Is actuated by a single control in at least two locations remote from the quick-closing valves;
- (c) Is actuated by a single control in each cargo control station under [§ 154.320](/cfr/46/154.320.md); and
- (d) Has fusible elements at each tank dome and cargo loading and discharge manifold that melt between 98 °C (208 °F) and 104 °C (220 °F) and actuate the emergency shut-down system.

## 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.