本标准描述了在所有气候条件下（包括发生冰冻的气候条件下）消防设施中使用的带压缩关闭（逆压打开或带压打开）或闸门关闭的柱型干筒消防栓。本标准可在消防用干筒消防栓的采购和接收规范中参考，并可作为评估材料、设计、测试和检验干筒消防栓的指南。本标准的规定适用于引用本文件的情况，且仅适用于供水设施的干桶消防栓。

This standard describes post-type, dry-barrel fire hydrants with compression shutoff (opening against or with the pressure) or gate shutoff for use in fire protection service in all climates, including those where freezing occurs.This standard can be referenced in specifications for purchasing and receiving dry-barrel fire hydrants for fire protection service and can be used as a guide for evaluating materials and designing, testing, and inspecting dry-barrel fire hydrants. The stipulations of this standard apply when this document has been referenced and then only to dry-barrel fire hydrants for water supply service.