- 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 sprinkler secured in an extension nipple that has a seal at the inlet end to prevent water from entering the nipple until the sprinkler operates.
Industry:Fire safety
A sprinkler in which all or part of the body, other than the shank thread, is mounted within a recessed housing.
Industry:Fire safety
A sprinkler in which all or part of the body, including the shank thread, is mounted above the lower plane of the ceiling.
Industry:Fire safety
A sprinkler having special deflectors that are designed to discharge most of the water away from the nearby wall in a pattern resembling one-quarter of a sphere, with a small portion of the discharge directed at the wall behind the sprinkler.
Industry:Fire safety
A sprinkler fabricated with corrosion-resistant material, or with special coatings or platings, to be used in an atmosphere that would normally corrode sprinklers.
Industry:Fire safety
A sprinkler equipped with integral shields to protect its operating elements from the discharge of sprinklers installed at higher elevations.
Industry:Fire safety
A sprinkler designed to be installed in such a way that the water stream is directed downward against the deflector.
Industry:Fire safety
A spring-loaded latch bolt or a gravity-operated steel bar that, after release by physical action, returns to its operating position and automatically engages the strike plate when it is returned to the closed position.
Industry:Fire safety
A spray booth that is not equipped with a water-washing system to remove overspray from the exhaust airstream and is equipped with one or more of the following: (1) distribution or baffle plates to promote an even flow of air through the booth or to reduce the overspray before it is pulled into the exhaust system; (2) dry media filters, either fixed or on rolls, to remove overspray from the exhaust airstream; (3) powder collection systems that capture powder overspray.
Industry:Fire safety
Appies to masonry. A specified dimension plus an allowance for the joints with which the units are to be laid.
Industry:Fire safety
