Double block and bleed definition

Double block and bleed means the closure of a line, duct, or pipe by closing and locking or tagging two in-line valves and by opening and locking or tagging a drain or vent valve in the line between the two closed valves.

Double block and bleed means the closure of adjacent piping by locking out a drain or vent in the open position in the line between 2 locked out valves in the closed position;

Double block and bleed means the closure of a line, duct or pipe by locking and tagging a drain or vent which is open to the atmosphere in the line between two locked-closed valves.

Examples of Double block and bleed in a sentence

• 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.

• Double block and bleed means the closure of a line, duct, or pipe by closing and locking or tagging two in-line valves and by opening and locking or tagging a drain or vent valve in the line between the two closed valves.

• COMMENTS FROM THE SUPERINTENDENT- School Choice Expo – The Superintendent reported that the School Choice Expo would be held November 16, 2015 at Washington High School from 6:00 p.m. to 7:30 p.m. It was noted that this annual expo was an opportunity for the School District to showcase its career academies, academic programs, and magnet schools.- November Schedule of Board Workshops/Meetings – The Superintendent reminded School Board Members that it was time to schedule their annual organizational meeting.

• Double block and bleed valves required for high pressure systems.

• Blinding should take place at the flange closest to the confined space.• Removing a valve, spool piece or expansion joint as close as possible to the permit space and placing a blank or cap on the open ends.• Double block and bleed by shutting a least two valves in piping leading to the permit space, opening a bleed off path to atmosphere between the shut valves, and/or locking/tagging these valves.

• Statewide Operation and Affected Medicaid Stakeholders‌The HTP will operate on a statewide basis.

• Double block and bleed: The closure of a line, duct, or pipe by closing and locking or tagging two in-line valves and by opening and locking or tagging a drain or vent valve in the line between the two closed valves.

• Double block and bleed means the closure of a line, duct, or pipe by closing and locking or tagging two inline valves and by opening and locking or tagging a drain or vent valve in the line between the two closed valves.

• In general, where equipment or production system isolation is necessary to conduct hot work, the isolation will consist of one or a combination of the following: • Physical disconnection.• Installation of blinds.• Double block and bleed valves.

• This form of isolation should only be used when it can be assured that the pressure will not exceed atmospheric.• Double block and bleed is an acceptable method of isolation, however, it is recommended that more positive forms of isolation be used whenever possible.

More Definitions of Double block and bleed

Double block and bleed means the closure of a line, duct, or pipe by closing and locking or tagging two in-line valves and by opening and locking or tagging a drain or vent valve in the line between the two closed valves. "Emergency" means any occurrence (including any failure of hazard control or monitoring equipment) or event

Double block and bleed means the closure of a line, duct, or pipe by closing and locking or tagging two in-line valves and by opening and