2019年10月10日星期四

String, parallel operation of choice

Pump series, parallel can make the pump flow has increased (see Figure 2-106). Under normal circumstances increase the flow of parallel operation, but the steep system characteristics curve (such as H. curve), the use of series operation than the parallel operation not only high head, but also large flow. Magnetic pump system curve H. Is the choice of string, parallel demarcation line, when the system characteristic curve in H. On the left side of the curve, that is, when the system characteristic curve is steeper, the flow rate increased by using the series operation (operating point A2) than the parallel operation (working point A) increases the head; when the system characteristic curve is at H. On the right side of the curve, that is, when the system characteristic curve is flat, the high-temperature magnetic pump adopts the parallel flow operation (working point A4) to increase the flow rate more than the series operation (point Aa). However, in practical engineering applications, almost no series operation approach. Today's latest valid order information free to send! Morning latest buyers information free to send! Punch grab Rob here!

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Size:DN15~DN300 (1/2 inch ~ 12 inch)
Connection: Flange DIN PN10, ANSI CL150, JIS10K; socket DIN, ANSI, JIS, CNS, BS; Thread BSPT, NPT.
Body Material: PP
Seal material: EPDM;FPM
Design pressure:1.0Mpa(PN10 bar)

PP Check Valve

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