螺纹旋启式止回阀螺纹旋启式止回阀的详细信息产品特性/Features 旋启式阀瓣 Swing Disc 多种螺纹端供选择 Various Thread Standards Available 采用脱腊精密铸造 Using dewaxing precision casting
产品标准/product standard 设计标准\Design:ASME B16.34 壁厚标准\Wall Thickness:ASME B16.34 螺纹标准\Pipe Thread:ASME B1.20.1,BS21,DIN 2999/259,ISO 228/1,JIS B 0203,ISO 7/1 检测标准\Inspection & Testing:MSS SP-110,EN 1226
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