---
kind: "section"
citation: "33 C.F.R. § 157.126"
title: "33"
number: "157.126"
heading: "Pumps."
url: "https://uscodex.org/cfr/33/157.126"
---

# §157.126. Pumps.

- (a) Crude oil must be supplied to the COW machines by COW system pumps or cargo pumps.
- (b) The pumps under [paragraph (a)](#a) of this section must be designed and arranged with sufficient capacity to meet the following:
  - (1) A sufficient pressure and flow is supplied to allow the simultaneous operation of those COW machines designed to operate simultaneously.
  - (2) If an eductor is used for tank stripping, enough driving fluid is provided by the pumps to allow the eductor to meet [§ 157.128(a)](/cfr/33/157.128.md?p=a).
- (c) There must be means on the tank vessel to maintain the pressure under [paragraph (b)](#b) of this section when shore terminal back pressure is less than the pressure under [paragraph (b)](#b) of this section.
- (d) The COW system must have two or more pumps that are capable of supplying oil to the COW machines.
- (e) The COW system must be designed to meet the requirements of this subpart with any one pump not operating.

## Notes

### Source

Source: CGD 77-058b, 45 FR 43709, June 30, 1980, unless otherwise noted.

### Authority

Authority: 33 U.S.C. 1903; 46 U.S.C. 3703, 3703a (note); Department of Homeland Security Delegation No. 0170.1. Subparts G, H, and I are also issued under section 4115(b), Pub. L. 101-380, 104 Stat. 520; Pub. L. 104-55, 109 Stat. 546.

### Source

Source: CGD 74-32, 40 FR 48283, Oct. 14, 1975, unless otherwise noted.