Administrative Code

Creating a Report: Check the sections you'd like to appear in the report, then use the "Create Report" button at the bottom of the page to generate your report. Once the report is generated you'll then have the option to download it as a pdf, print or email the report.

Virginia Administrative Code
Title 16. Labor And Employment
Agency 25. Safety And Health Codes Board
Chapter 50. Boiler and Pressure Vessel Regulations

16VAC25-50-460. Blowoff equipment.

A. The blowdown from a boiler or boilers that enters a sewer system or blowdown which is considered a hazard to life or property shall pass through blowoff equipment that will reduce pressure and temperature as required below.

B. The temperature of the water leaving the blowoff equipment shall not exceed 140°F.

C. The pressure of the blowdown leaving any type of blowoff equipment shall not exceed five psig.

D. The blowoff piping and fittings between the boiler and the blowoff tank shall comply with the current edition of the ASME Code, Section I and ASME B31.1.

E. All materials used in the fabrication of boiler blowoff equipment shall comply with the current edition of the ASME Code, Section II.

F. All blowoff equipment shall be fitted with openings to facilitate cleaning and inspection.

G. Blowoff equipment which conforms to the provisions set forth in the National Board publication, "Boiler Blowoff Equipment", shall meet the requirements of this section.

Statutory Authority

§ 40.1-51.6 of the Code of Virginia.

Historical Notes

Derived from VR425-01-75 § 4.8, eff. July 1, 1974; amended, eff. November 1, 1978; July 1, 1991; September 1, 1993; Volume 35, Issue 2, eff. November 1, 2018.

Website addresses provided in the Virginia Administrative Code to documents incorporated by reference are for the reader's convenience only, may not necessarily be active or current, and should not be relied upon. To ensure the information incorporated by reference is accurate, the reader is encouraged to use the source document described in the regulation.

As a service to the public, the Virginia Administrative Code is provided online by the Virginia General Assembly. We are unable to answer legal questions or respond to requests for legal advice, including application of law to specific fact. To understand and protect your legal rights, you should consult an attorney.