H41F46衬氟止回阀升降式止回阀的详细资料: |
H41F46衬氟止回阀升降式止回阀设计规范: 遵循GB/T 13932,GB12235,GB12236,API 6D标准。
H41F46衬氟止回阀升降式止回阀设计规范: 遵循GB/T 13932,GB12235,GB12236,API 6D标准。 H41F46衬氟止回阀升降式止回阀主要零件及材料 Main parts and materials
H41F46衬氟止回阀升降式止回阀标准 PTFE-lined Check Valve Standard
H41F46衬氟止回阀升降式止回阀主要外形尺寸和连接尺寸Main form and connection size
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