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END SUCTION 55 PUMP

Key Features

END SUCTION 55 PUMP:Attribute Typical / Representative Value Notes / Comments Model / Type GS 4 125‑500 / 55 (for example) One example of a 55 kW end suction pump model lenntech.com Flow (Q) 90 – 300 m³/h As per Ebara GS 4 125‑500 55 model lenntech.com Motor Power 55 kW By definition of “55” in the model spec lenntech.com Speed 1,450 rpm Typical for 4‑pole induction motor in that pump lenntech.com Head (H) — not always given explicitly in that model datasheet Usually the head curve is given in the pump’s performance chart Maximum Temperature 120 °C For the Ebara GS 55 version lenntech.com Poles 4 poles As given in Ebara model lenntech.com Weight ~ 967 / 979 kg As per Ebara spec (two weights listed: likely pump alone and pump + motor) lenntech.com Inlet / Discharge Size Likely DN125 inlet / DN100 discharge (or as per model) Many GS models follow this size range; the “125‑500” part suggests inlet = 125 mm nominal and design series. lenntech.com Material of Construction Cast iron (casing), stainless / alloy impeller etc. Typical for end suction pumps in clean water / industrial service Seal Type Mechanical seal (single or dual) Standard for centrifugal pumps, possibly per API 682 for certain applications Wikipedia Liquid Temperature Range Up to ~120 °C As given for Ebara model lenntech.com Maximum Working Pressure — Should be in the datasheet; sometimes expressed as bar or MPa Efficiency — Will vary with operating point; often 70‑85 % for good designs Net Positive Suction Head (NPSH) Required — Must be checked from manufacturer curves Bearing / Shaft Material Typically alloy steel / stainless Depending on fluid, corrosion, etc. Orientation & Mounting Horizontal end-suction (back pull-out type common) Many end suction pumps allow removing the rotating assembly from the volute without disturbing piping Protection / Enclosure IP specification for motor (e.g. IP55, etc.) Common for industrial motors
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