Guides for selecting pumps, identifying parts and preparing a complete enquiry.
55 · All articles
This guide shows how to diagnose motor-protection shutdowns on a Flygt N-pump. Check the impeller, electrical supply, operating load and protection settings before ordering parts.
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Compare Flygt N-pump guide-rail (P) and free-standing (S) installations, then check discharge interfaces, lifting, replacement measurements and RFQ scope before ordering.
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A ROTAN internal gear pump can transfer in either direction, but changing shaft rotation swaps the suction and discharge sides. Verify port flow, relief-valve orientation, piping and drive before a controlled…
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Decide when a ROTAN internal gear pump needs a heating jacket and preheat plan. Check cold viscosity, line temperature, startup torque, seal needs and RFQ details before ordering or starting.
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An AODD pump may stop when discharge pressure balances its air drive. Diagnose a closed valve or restriction, then restart safely without mistaking deadhead for an air-valve fault.
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An AODD suction hose that flattens can indicate a hose unsuitable for vacuum service or a restricted inlet. Follow a safe diagnostic sequence, select a compatible reinforced hose, and prepare a useful RFQ.
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