Using engineered composite materials in sealless magnetic drive pumps to eliminate eddy currents and improve reliability
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Background - Pump application: This case study is based on an application supplied into a Polysilicon production facility. The purpose of the application is to pump Trichlorosilane (TCS) liquid into the production process which allows the Polysilicon crystals to grow within a reactor. The pumps were API 685 2nd edition compliant (parallel standard to API 610) and supplied with a secondary containment system per API 685 para 18.104.22.168. The pumps duty conditions were 217.5m^3/Hr @ 120.5m (955 uspgm @ 395 Feet) and operating at rotational speed of 3500rpm with a 185kW (250 Hp).
Gurthrie, Ian; Stutz, Samuel (2016). Using engineered composite materials in sealless magnetic drive pumps to eliminate eddy currents and improve reliability. Turbomachinery Laboratories, Texas A&M Engineering Experiment Station. Available electronically from