本规程为供应商提供PIP管道等级材料规范中包含的中低合金钢截止阀提供了要求。本规程描述了中低合金钢截止阀的要求。

This Practice provides requirements for suppliers providing low and intermediate alloy steel globe valves included in PIP Piping Line Class Material Specifications. This Practice describes the requirements for low and intermediate alloy steel globe valves.