California Code of Regulations
Title 8 - Industrial Relations
Division 1 - Department of Industrial Relations
Chapter 4 - Division of Industrial Safety
Subchapter 7 - General Industry Safety Orders
Group 3 - General Plant Equipment and Special Operations
Article 17 - Engines and Compressors
Section 3518 - Air Compressors
Current through Register 2024 Notice Reg. No. 38, September 20, 2024
(a) Air compressor discharge lines having a block valve between the air receiver and compressor shall have a pressure relieving safety device installed in the line between the compressor and block valve. The pressure relieving safety device shall be set to open at a pressure not to exceed the rated working pressure of the cylinder. The relieving capacity of the pressure relieving safety device shall be such as to prevent a rise of pressure in the compressor cylinder of more than 10 percent above its maximum allowable working pressure, and the discharge shall be to a safe place.
(b) Air compressor intake lines shall not be located in toxic atmospheres or atmospheres containing explosive concentrations of flammable gases or vapors.
1. Amendment filed 12-16-85; effective thirtieth day thereafter (Register 85, No. 51).
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
