Plastic and Plastic-Lined Check Valve Descriptions [Complete Revision]
塑料和塑料衬里止回阀说明[完整修订]
发布日期:
2022-01-01
本规程为供应商提供了PIP管道材料规范(PMS)中包含的塑料和塑料衬里止回阀的要求。
This Practice provides requirements for suppliers providing plastic and plastic-lined check valves included in PIP Piping Material Specifications (PMSs).