copper alloys conforming to AWWA Standard C502 requirements. Remaining components are performance selected from some of the highest quality materials available today. Shop Tests: Main valve tested from inlet side to 250psi. With main valve open, drain valve and entire hydrant, hydrant hydrostatic pressure tested to 500psi.

2016年10月6日 · 更多相关文档 . wet barrel fire hydrants to awwa c-503-88 - series：湿柱式消火栓awwa c-503-88系列... 星级： 17 页 manholing fire hydrants

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This standard describes post-type, dry-barrel fire hydrants with compression shutoff (opening against or with the pressure) or gate shutoff for use in water supply service in all climates, including those where freezing occurs.

2018年10月24日 · This standard, ANSI/AWWA C502, does not provide instructions for installation of fire hydrants. For installation information, see ANSI/AWWA C600 and AWWA Manual M17. Purpose. The purpose of this standard is to provide the minimum requirements for dry-barrel fire hydrants for fire-protection service, including materials, general design, and testing.

AWWA C502-18干筒式消防栓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.

2023年6月14日 · The AWWA Subcommittee for Revision of C502, Dry-Barrel Fire Hydrants, which developed this revision, had the following personnel at the time: Theodore C. Harbour, Chair

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 describes post-type, dry-barrel fire hydrants with compression shutoff (opening against or with the pressure) or gate shutoff for use in water supply service in all climates, including those where freezing occurs.