Related Manuals for Alfa Laval N Series
Summary of Contents for Alfa Laval N Series
- Page 1 Series N Stainless Steel Positive Displacement Rotary Lobe Pumps Operating Manual M/105/0407...
- Page 3 Operating Manual Alfa Laval Pumps Ltd Birch Road, Eastbourne, East Sussex BN23 6PQ Tel No : (01323) 412555 Fax (01323) 412515 EC DECLARATION OF INCORPORATION We hereby declare that the following machinery is intended for installation into a machine or to be assembled with other machines into a machine.
- Page 5 Operating Manual Alfa Laval Pumps Ltd Birch Road, Eastbourne, East Sussex BN23 6PQ Tel No : (01323) 412555 Fax (01323) 412515 EC DECLARATION OF CONFORMITY We hereby declare that the following machinery conforms to the machinery directive 89/392/ EEC as amended by 91/368/EEC, 93/44/EEC and 93/68/EEC and to the following other relevant directives.
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Page 7: Table Of Contents
Operating Manual Contents 1.0 General Page No Pump Limits Of Application Or Use Pump Duty Conditions Noise Levels Utility Requirements Safety Precautions Health And Safety Information 2.0 Unpacking, Handling And Storage Documents Unpacking Handling Pump Storage 3.0 Description Of Pump Or Pump Unit General Pump Description Principle Of Operation Pump Dimensions... - Page 8 Operating Manual Contents 7.0 Disassembly Page No Before Dismantling The Pump Dismantling The Pump Fitting New Oil Seals Automatic Pressure Relief Valve 8.0 Product Seals Removal And Fitting Packed Gland Single Mechanical Seal 9.0 Faults, Causes And Remedies 10.0 Technical Data 10.1 Pump Information Chart 10.2...
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Page 9: General
Operating Manual General 1.1 Pump Limits of Application or Use 1.3 Noise Levels This range of pumps has been designed for Depending upon the pumping system and duty pumping difficult or corrosive fluids and with the conditions the pump noise levels may vary. requirements of hygienic processes. -
Page 10: Safety Precautions
Operating Manual 1.5 Safety Requirements Warnings Signs: All warnings in this manual are summarised on this page. General safety instructions are preceded by this symbol. Pay special attention to the instructions below so that severe personal injury or damage to the Electrical safety instructions are pump can be avoided. -
Page 11: Health And Safety Information
Operating Manual 1.6 Health and Safety Information General First Aid Potential Safety Hazards If potentially hazardous substances are The following section gives information on accidentally inhaled, or skin or eyes handling, storage and disposal of parts and contaminated, then the following basic materials used in the pumps which may be precautions should be taken considered hazardous to health. -
Page 12: Unpacking, Handling And Storage
Operating Manual Unpacking, Handling and Storage To avoid any problems, on receipt of your pump 2.3 Handling always use the following procedure:- Refer to the pump weights guide, prior to using 2.1 Documents any lifting gear. Use the correct lifting straps for the pump weight (or pump and drive if Check the delivery note against the goods applicable). -
Page 13: Pump Storage
Operating Manual 2.4 Pump Storage After receipt and inspection if the pump is not to A clean, dry storage free from vibration be installed immediately the pump should be location should be selected. When a repacked and placed in suitable storage. The moist dusty atmosphere must be used for following points should be noted:- storage, further protect the pump or unit... -
Page 14: Description Of Pump Or Pump Unit
Operating Manual Description Of Pump Or Pump Unit 3.1 General Pump Description The pump supplied is a positive displacement pump, which may be supplied with or without a drive unit (see below). The drawing below indicates various parts of the pump. Motor Coupling Front... -
Page 15: Pump Dimensions
Operating Manual 3.3 Pump Dimensions Alternative 1" Male Adaptors fitted to Alternative 1" Male Adaptors fitted to Alternative 1" Male Adaptors fitted to Alternative 1" Male Adaptors fitted to Alternative 1" Male Adaptors fitted to N1-000L-H07 Model only N1-000L-H07 Model only N1-000L-H07 Model only N1-000L-H07 Model only N1-000L-H07 Model only... -
Page 16: Pump And Pump Unit Weights
Operating Manual 3.4 Pump and Pump Unit Weights PUMP UNIT - PUMP COMPLETE WITH BARESHAFT PUMP DRIVE UNIT PUMP BARESHAFT PUMP WITH DRIVE UNIT MODEL PUMP N1-000S and L The above weights are for guidance only and will vary depending upon the specification of the pump and drive unit. -
Page 17: System Design And Installation
Operating Manual System Design and Installation 4.1 System Design Advice When designing the pumping system :- confirm with the supplier the Net install non-return valve to prevent Positive Suction Head (NPSH) turbining when high pressures are requirements for the system, as this applied to the pump whilst it is not in is crucial for ensuring the smooth use. -
Page 18: Pump And Base Foundations
Operating Manual 4.3 Installation 4.2 Pump and Base Foundations Depending on your requirements the pump Before the pump is installed it is advisable to and drive (if supplied) may arrive mounted on consider the following: a baseplate. Our standard baseplates have pre-drilled fixing holes to accept base retaining Always - Ensure that the mounting... -
Page 19: Pipework
Operating Manual 4.4 Pipework All pipework MUST be supported. The pump MUST NOT be allowed to support any of the pipework weight. Remember- Pipework supports must also Keep - Pipework horizontal where support the weight of the applicable to reduce air locks. product being pumped. -
Page 20: Start Up, Shut Down And Cleaning In Place
Operating Manual Start Up, Shut Down and Cleaning 5.1 Pump Start Up Check List Is the location of the 'stop' button clear? Has the pipework system been flushed through to purge welding slag and any other hard solids. Have all the obstructions been removed from the pipework or pump? Are the pump connections and pipework joints tight and leak-free? -
Page 21: Pump Shut Down Procedure
Operating Manual 5.2 Pump Shut Down Procedure Turn the pump off. Isolate the pump/drive unit from all power and control supplies. Close the pipework valves to isolate the pump. If the pump is to be dismantled refer to the dismantling section. 5.3 Direction of Rotation The direction of flow is dictated by the direction of rotation of the drive shaft. - Page 22 Operating Manual 5.4 Cleaning in Place (CIP) The pump can be manually cleaned or cleaned in place (CIP). The following is an example of a typical CIP procedure. However specific advice for each application should be sought from the pump supplier. Flush through the system with cold water or bore water (6º...
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Page 23: Maintenance And Inspection
Operating Manual Maintenance and Inspection 6.1 Maintenance Schedule 6.2 Recommended Spare Parts It is advisable to install pressure gauges either The following table details the recommended side of pump so that any problems within the spare parts which should be retained within pump/pipework will be highlighted. -
Page 24: Disassembly
Operating Manual Disassembly 7.1 Before Dismantling the Pump Before starting to dismantle the pump ALWAYS:- Purge - the pump and system if any noxious products have been pumped. Isolate - pump/drive unit from all power and control supplies. Close - pipework valves to isolate the pump Disconnect - the pump from the drive unit. -
Page 25: Dismantling The Pump
Operating Manual 7.2 Dismantling the Pump 7.2 Dismantling the Pump 7.2 Dismantling the Pump 7.2 Dismantling the Pump 7.2 Dismantling the Pump Removing the Rotors Removing the Rotors Removing the Rotors Removing the Rotors Removing the Rotors Carefully loosen the front cover retaining nuts, as there may still be residual pressure Rotor in the system. -
Page 26: Fitting New Oil Seals
Operating Manual 7.3 Fitting New Oil Seals Smear the sealing lip with clean grease. Remove gearcase cover or front seal retainer and press out the old seal. Pass the seal and housing along the shaft, a slight rotary action will assist the Before fitting examine the new seal to operation. -
Page 27: Automatic Pressure Relief Valve
Operating Manual 7.4 Automatic Pressure Relief Valve 7.4 Automatic Pressure Relief Valve 7.4 Automatic Pressure Relief Valve 7.4 Automatic Pressure Relief Valve 7.4 Automatic Pressure Relief Valve ITEM ITEM ITEM DESCRIPTION DESCRIPTION DESCRIPTION ITEM ITEM ITEM ITEM ITEM DESCRIPTION DESCRIPTION DESCRIPTION DESCRIPTION DESCRIPTION... -
Page 28: Product Seals Removal And Fitting
Operating Manual Product Seals Removal and Fitting 8.1 Packed Gland ITEM DESCRIPTION Rotorcase Gland Packing Gland Follower Gland Nut Gland Stud Shaft PACKED GLANDS ARE DESIGNED TO Adjusting the Packed Gland BE ADJUSTED DRIP LEAKAGE IS ESSENTIAL TO Removing The Packing PREVENT OVER HEATING OF THE GLAND AREA WHICH WILL CAUSE SEAL Release and pull back the gland follower. -
Page 29: Single Mechanical Seal
Operating Manual 8.2 Single Mechanical Seal Single Mechanical Seal ITEM DESCRIPTION SEAL TYPE SETTING DIMENSION Stationary Face 'O' Ring CARBON (UNPINNED) Stationary Face TUNGSTEN CARBIDE 27.8mm Rotary Face SILICON CARBIDE Rotary Face 'O' Ring Wave Spring CARBON (PINNED) 30.0mm Drive Spring Fitting the Single Mechanical Seal The seal comprises of a rotary face which is sealed to the shaft by an 'O' ring. -
Page 30: Faults, Causes And Remedies
Operating Manual Faults, Causes and Remedies Faults, Causes and Remedies Faults, Causes and Remedies Faults, Causes and Remedies Faults, Causes and Remedies... -
Page 31: Technical Data
Operating Manual 10.0 Technical Data 10.1 Pump Information Chart The following table details technical data regarding the pump range, for further details contact your supplier. PUMP MODEL PORT SIZE DISPLACEMENT MAXIMUM DISCHARGE MAXIMUM PRESSURE SPEED mm gal/100rev l/100rev lbf/in² N1-000S-H07 ¼... -
Page 32: Typical Sectional Arrangement
Operating Manual 11.0 Typical Sectional Arrangement Item Description ‘O’ Ring Rotorcase Stud Rotorcase Cover Key, Rotor Screw, Gearcase Bearing Needle Bearing, Needle Ring Screw, Hammer Drive Nameplate Plug, Level Plug, Filler Shaft, Drive Shim, Bearing 2 Packs Screw, Gearcase Cover Bearing, Duplex Cover, Gearcase Retainer, Bearing... - Page 33 Operating Manual 8 8 8 8 8 5 5 5 5 5 1 1 1 1 1 2 2 2 2 2 3 3 3 3 3 4 4 4 4 4 9 9 9 9 9 14 15 6 6 6 6 6 7 7 7 7 7 17 18...
- Page 36 Operating Manual The information contained herein is correct at the time of issue but may be subject to Alfa Laval Ltd change without prior notice. Birch Road, Eastbourne East Sussex BN23 6PQ, England Tel: +44 (0) 1323 412555 Fax: +44 (0) 1323 414515...
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