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STC
Open Impeller Centrifugal Pumps開式葉輪離心泵

STC單葉輪泵
該泵低揚程的特性使得它特別適用于農業用途。本泵型用于灌溉以及幾乎所有要求高流量低揚程的場合。每臺泵在組裝后根據ISO9000標準的質量要求進行液壓與電氣試驗。
STC single impeller centrifugal pumps with low delivery pressure are specially conceived for agricultural applications. This type of pump is necessary in sliding irrigation and in general in all those applications where high flow rates at low delivery pressures are required. At the end of assembly each pump is hydraulically and electrically tested in accordance with ISO9000 quality requirements.

結構特征Construction Features
 泵殼及電機支撐：鑄鐵
Pump casing and motor bearing: cast iron
 葉輪：功率在1.2HP以下用NORYL工程塑料；功率在1.2HP以上用黃銅或鑄鐵
Impeller: noryl GFN2 up to1.2HP drop-forged brass or cast iron over 1.2HP
 軸：不銹鋼
Shaft: stainless steel
 機械密封：石墨-陶瓷
Mechanical seal: carbon-ceramic
 電機：閉式外部風冷型，保護等級IP54
Motor: closed ventilated external, protection IP54
 單相電機裝有預置熱保護裝置及固定聯接電容
Single-phase version equipped with built-in thermal protector and permanently connected capacitor
 三相電機不帶熱保護裝置，建議用戶自行安裝
Three-phase version not equipped with protector; we suggest users to install a protection device
 絕緣等級：F級
Insulation: class F
 二級感應電機：50Hz (n=2900 l/min)
2-pole induction motor, 50Hz (n=2900 l/min)
 可持續工作
Continuous working

運行條件Operating Conditions
 清潔或適度臟水clean or moderately dirty liquids
 液體溫度：1.2HP以下不高于45℃，1.2HP以上不高于90℃
Liquid temperature: maximum 45℃ up to 1.2HP; maximum 90℃ over 1.2HP
 環境溫度：不高于40℃
Ambient temperature: up to 40℃
 允許工作壓力：6bar
Maximum permissible working pressure: 6 bar

按客戶要求，可提供特殊性能Special Features on Request
 特殊電壓 special voltages
 60Hz 頻率 frequency 60Hz
 防護等級 IP55 protection IP55
 特殊機械密封 special mechanical seal