STO
多級離心電泵Multi-stage Centrifugal Electric Pumps

用途Field of Application
本系列電泵適用于加壓系統(tǒng),例如雨水灌溉、清洗設(shè)備、高壓滅菌設(shè)備以及絕大多數(shù)供水系統(tǒng)。本泵型的低能耗和高效率使得其具有很大的靈活性和可靠性。
This series of motor-driven pumps is fit for use in pressurization units, for rain irrigation, washing equipment, supply of autoclaves and water supplies in general. Their low energy consumption and high efficiency make them versatile and reliable.

特征Features
 泵體：G20鑄鐵
G20 cast iron pumping/pressing pump casing
 內(nèi)襯：AISI 304不銹鋼
AISI 304 stainless steel liner
 葉輪：AISI 304不銹鋼
AISI 304 stainless steel impeller
 導(dǎo)流器和中間隔套：化合聚合物
Techno-polymer diffuser casing, diffusers and intermediate plate
 機(jī)械密封：石墨-陶瓷
Carbon/Ceramic mechanical seal
 軸：不銹鋼
Stainless steel shaft
 泵體能承受工作壓力：1.2HP以下8bar; 1.2HP~3HP 10bar; 4HP~6.5HP 18bar
Max pressure allowed in pump casing: 8 bar up to 1.2 HP; 10 bar from 1.2 to 3 HP; 18 bar from 4 to 6.5 HP

性能參數(shù)Performance Data
 流量：10 m3/h
Flow rate: up to 10m3/h
 揚(yáng)程：80米
Heads: up to 80m
 介質(zhì)：不帶腐蝕性顆粒并對泵體無害的清潔液體
Pumped fluid: clean, free from suspended abrasive particles, non aggressive but similar to water
 液體溫度：45℃
Temperature of pumped fluid: up to 45℃
 環(huán)境溫度：40℃
Room temperature: 40℃
 轉(zhuǎn)速：2900r/min
Rotation speed: 2900r/min

電機(jī)Motor
本泵型使用電機(jī)采用帶外部通風(fēng)裝置的閉式異步電機(jī)。
The control motors are asynchronous, squirrel cage-type, closed, with external ventilation.
 單相電機(jī)裝有預(yù)置熱保護(hù)裝置及固定聯(lián)絡(luò)電容；三相電機(jī)不帶熱保護(hù)裝置，建議用戶自行安裝。
In-built thermo-amperometric protection and capacitor are always on, for single-phase models.The motor protection for three-phase models must be installed by the customer。Equipment compliant with current standards should be used.
 絕緣等級：F
Class of insulation: F – service: S1
 防護(hù)等級：IP44 (根據(jù)用戶要求可增加至IP55)
Degree of protection: IP44 (IP55 available on request)
 軸承：動態(tài)平衡大轉(zhuǎn)子軸承
Dynamically balanced rotor mounted on oversize ball bearings
 標(biāo)準(zhǔn)電壓：單相：230V-50Hz
              雙相：功率≤4KW ，230V/40-50Hz; 功率≥5.5KW，400V/690-50Hz
Standard voltages: single-phase: Volt 230-50Hz
                  three-phase: Volt 230/40-50Hz for power≤4KW;
Volt 400/690-50Hz for power≥5.5KW;

安裝Installation
本泵應(yīng)水平位置安裝。
The pump is to be installed in horizontal position.

按客戶要求，可提供特殊性能Special Enclosures Available on Request
 特殊電壓/頻率
Different voltages/ frequencies
 特殊機(jī)械密封
Special mechanical seal