Double block and bleed system

Double block and bleed system means two block valves connected in series with a bleed valve or line that can vent the line between the two block valves.

Source

40 CFR § 65.2

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Scoping language

All terms used in this part shall have the meaning given them in the Act and in this section. If a term is defined both in this section and in other parts that reference the use of this part, the term shall have the meaning given in this section for purposes of this part. If a term is not defined in the Act or in this section, the term shall have the meaning given in the referencing subpart for purposes of this part. The terms follow:

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