A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
TORQUE-REDUCING SLEEVE FOR A HYDRANT STEM
A stem coupling for a hydrant includes: an upper portion defining an upper portion length from a center of a plurality of break-away features defined in the stem coupling to a first end of the stem coupling; and a lower portion defining an lower portion length from the center of the plurality of break-away features defined in the stem coupling to a second end of the stem coupling distal from the first end of the stem coupling, the lower portion length equaling at least two times the upper portion length.
TORQUE-REDUCING SLEEVE FOR A HYDRANT STEM
A stem coupling for a hydrant includes: an upper portion defining an upper portion length from a center of a plurality of break-away features defined in the stem coupling to a first end of the stem coupling; and a lower portion defining an lower portion length from the center of the plurality of break-away features defined in the stem coupling to a second end of the stem coupling distal from the first end of the stem coupling, the lower portion length equaling at least two times the upper portion length.
TORQUE-REDUCING SLEEVE FOR A HYDRANT STEM
LI YANLONG (author) / GIFFORD PAUL (author) / WOJICK WALTER PIERCE (author)
2019-05-02
Patent
Electronic Resource
English
Fire hydrant, fire hydrant stem, and fire hydrant upper stem assembly
| European Patent Office | 2020