§ 143.220 Machinery space fire prevention.

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Title 46—Shipping > CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY > SUBCHAPTER M—TOWING VESSELS > PART 143—MACHINERY AND ELECTRICAL SYSTEMS AND EQUIPMENT > Subpart B—Requirements for All Towing Vessels

This text was captured on Sep 22, 2026. It is a snapshot, not a live feed, so check the official code before relying on it.

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(a) All seals and gaskets must be properly maintained to prevent leaks of flammable or combustible liquid, as those terms are defined in 46 CFR subpart 30.10, into the machinery space.

(b) Piping and machinery components that exceed 220 °C (428 °F), including fittings, flanges, valves, exhaust manifolds, and turbochargers, must be insulated. Measures must be in place to prevent flammable or combustible liquid piping leaks from coming into contact with these components.

(c) Flammable and combustible products must not be stored in machinery spaces, unless they are stored in a suitable container that meets the requirements of § 142.225 of this subchapter.

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