日本ndv阀门,ndv球阀,ndv隔膜阀,ndv不锈钢阀门,ndv蝶阀,ndv卫生级阀门
manually oper. sanitary valve 卫生级手动操作阀 |
large bore, high pressure ball valve高压用球阀 |
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bioclean compact pneumatically oper. valve 卫生级气动操作阀 |
2way jacketed ball valve 夹套式球阀 |
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manually oper. diaphragm valve 手动操作隔膜阀 |
2way pneumatically operated on-off valve (single acting) 气动操作型on-off球阀(单作动) |
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pneumatically oper. control diaphragm valve 气动操作控制隔膜阀 |
pneumatically operated on-off valve (double acting) 空气操作式on-off三向球阀(复作动) |