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["Der Innere Abfall des von deremorer Gummi-Übertragung amt an derpump-Eingang ist wasrschulen Ursache?"

2019-01-14View Original

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"Obderter Gummi-Übertragung vor dem ist noch ein Filter, könnte das der Filter blockiert ist und der die负压增大导致泵入口处的橡胶软接头内凹变形吗?"
Reply #22019-01-14
"Der负压增大使得橡胶软接头内凹变形"
Reply #32019-01-14
"Essibly deres橡胶i软接头本身的强度不够,或者负压过大(如过滤器堵塞、吸入管径偏小)"
Reply #42019-02-20
"Filter blockiert, dasres橡胶软管强度不够 管径较小"
Reply #52019-02-20
"Richtig, es könnte das der负压吸瘪导致的。也可能是橡胶壁太薄"
Reply #62019-02-20
"Die越接近叶轮,泵入口管道的压力越低直至为负压 在正压状态下,评价管道承压能力的是是强度;在负压状态下评价抗变形能力的是是刚度 一般来说设计者选用非金属管件应该考虑了承压能力,以保证管件不至于破裂而产生后果,所以强度是可以的。 但对于负压状态下能否抗变形使之形状保持在一个可接受范围内,非金属管件制造单位本身就不考虑刚度指标,因此也无从谈起选型依据 运行中因负压而呈现内凹是主要因素之一,增加壁厚或内置刚性支架是有效的手段 从另一方面说,当出现明显内凹变形也提醒了用户需要去检查导致负压增大的原因并予以消除"

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