- 업종: Fire safety
- Number of terms: 98780
- Number of blossaries: 0
- Company Profile:
Established in 1896, NFPA's mission is to reduce the worldwide burden of fire and other hazards on the quality of life by providing and advocating consensus codes and standards, research, training, and education.
A system that uses a venturi eductor installed in a bypass line between the discharge and suction side of a water pump and suitable variable or fixed orifices to induct foam concentrate from a tank or container into the pump suction line.
Industry:Fire safety
A valve designed to activate when the fuel gas passing through it exceeds a prescribed flow rate.
Industry:Fire safety
A valve designed for the purpose of reducing the downstream water pressure under both flowing (residual) and nonflowing (static) conditions.
Industry:Fire safety
A valve controlling flow to water-based fire protection systems. Control valves do not include hose valves, inspector’s test valves, drain valves, trim valves for dry pipe, preaction and deluge valves, check valves, or relief valves.
Industry:Fire safety
A valve capable of regulating quantity of through-put to a controlled range.
Industry:Fire safety
A vacuum with a pressure between 760 torr and 1 × 10-3 torr (millimeters of mercury).
Industry:Fire safety
A vacuum with a pressure between 1 × 10-3 torr and 1 × 10-5 torr (millimeters of mercury).
Industry:Fire safety
A vacuum pump in which a stream of heavy molecules, such as those of mercury or oil vapor, carries gas molecules out of the volume being evacuated.
Industry:Fire safety
A universal connection to the vessel’s fire main to which a shoreside fire-fighting water supply can be connected.
Industry:Fire safety
