Desmi H Series Operation And Maintenance Instructions

Contents

Desmi H Series Operation And Maintenance Instructions Manual pdf 3 page image

______________________________________________________________________________DESMI Pumping Technology A/S 3Tagholm 19400 Nørresundby – DenmarkTel: +45 96 32 81 11 Fax: +45 98 17 54 99E-mail: desmi@desmi.comwww.desmi.com1. PRODUCT DESCRIPTIONThese operation and maintenance instructions apply to the DESMI MODULAR H pumpseries. The pumps are available in sizes ranging from 40 to 80 mm on the pressure flange.The suction flange is bigger than the pressure flange.DESMI H is a single-stage centrifugal pump with stainless steel shaft, mechanical shaft seal,and closed impeller.The pump is suitable for the pumping of clean and polluted liquids with temperatures between0 and 80°C. With special shaft seal up to 140°C. Max. number of revolutions: 3600 RPM.The pump has horizontal inlet on the centre line and vertical outlet at the top.The back of the impeller is equipped with relief blades to reduce the load on the bearings.Relief holes in the impeller ensure circulation of liquid for the shaft seal and preventoverheating of the shaft seal during normal operation.The pump is particularly suitable for the pumping of water in connection with washing plants,air conditioning, cooling systems, and sanitary systems, etc. Furthermore, in the majority ofcases where transport of liquid is required within industry.1.1 DELIVERY- Check on delivery that the shipment is complete and undamaged.- Defects and damages, if any, to be reported to the carrier and the supplierimmediately in order that a claim can be advanced.2. TECHNICAL DATAThe pumps are manufactured in various material combinations which appear from the typenumber on the name plate. See below.2.1 EXPLANATION OF THE TYPE NUMBERAll the H pumps are provided with a name plate. The type number indicated on the nameplate is built up as follows:H-XX-YYY-MRXX,YYY: Pump size.M: The material combination of the pump.R: The assembly combination of the pump.M may be the following: