# Pump and compressor control.

- **operation:** document
- **citation:** 49 CFR 193.2437
- **title:** Pump and compressor control.
- **source type:** regulation
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** historical
- **official:** true
- **published on:** Not available
- **effective on:** 1999-10-01
- **summary:** (a) Each pump and compressor for hazardous fluids must be equipped with—

(1) A control system, operable locally and remotely, to shut down the pump or compressor in a controllable emergency;

(2) A signal light at the pump or compressor and the remote control location which indicates whether the pu
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/49-cfr-193-2437.json
- **markdown:** https://regulus.evalyn.ai/document/49-cfr-193-2437.md
- **app url:** https://regulus.evalyn.ai/document/49-cfr-193-2437
- **source url:** https://www.govinfo.gov/app/details/CFR-1999-title49-vol3/CFR-1999-title49-vol3-sec193-2437
**body:**

(a) Each pump and compressor for hazardous fluids must be equipped with—

(1) A control system, operable locally and remotely, to shut down the pump or compressor in a controllable emergency;

(2) A signal light at the pump or compressor and the remote control location which indicates whether the pump or compressor is in operation or off;

(3) Adequate valving to ensure that the pump or compressor can be isolated for maintenance; and

(4) A check valve on each discharge line where pumps or compressors operate in parallel.

(b) Pumps or compressors in a cargo transfer system must have shutdown controls at the loading or unloading area and at the pump or compressor site.
- **truncated:** false
- **body characters:** 677