Summary of Contents for Samoa LARIUS NOVA 20:1 EXT
Page 1
w w w . l a r i u s . c o m NOVA 20:1EXT Airless pneumatic pump for extrusion 95700 steel II 2 G Ex h IIB T6 Gb...
Page 2
This manual is to be considered as an English language translation of the original manual in Italian. The manufacturer shall bear no responsibility for any damages or inconveniences that may arise due to the incorrect translation of the instructions contained within the original manual in Italian. Due to a constant product improvement programme, the factory reserves the right to modify technical details mentioned in this manual without prior notice.
nova 20:1 ext NOVA 20:1 EXT Airless pneumatic pump for extrusion INDEX WARNINGS ..................................2 WORKING PRINCIPLE ..............................3 TECHNICAL DATA ................................4 DESCRIPTION F THE EQUIPMENT ..........................5 TRANSPORT AND UNPACKING ..........................6 CONDITIONS OF GUARANTEE ...........................6 SAFETY RULES ................................6 TYPICAL INSTALLATION ..............................8 SETTING UP .................................8 WORKING ..................................8 CLEANING AT THE END OF THE WORK ........................9 ROUTINE MAINTENANCE ............................9...
nova 20:1 ext WARNINGS The table below provides the meaning of the symbols used in this manual in relation to using, earthing, operating, maintaining, and repairing of this equipment. • Read this operator’s manual carefully before using the equipment. • An improper use of this machine can cause injuries to people or things. •...
nova 20:1 ext WORKING PRINCIPLE Pump feed air intel Nova pump NOVA 20:1 EXT is a high pressure pneumatic pump used for extrusion and transferring of high viscosity products. NOVA pump is essentially constituted of an air motor and a structure called «material pumping group»...
nova 20:1 ext TECHNICAL DATA NOVA 20:1 EXT Feeding air pressure 3-6 bar Max product pressure 120 bar Feeding air inlet 3/4” GAS (M) Max delivery 24 l/min Material output 1½” GAS (F) Weight 57 Kg Noise pressure level <90 dB (A) Height total 1350 mm Parts of the pump in contact with the material...
nova 20:1 ext DESCRIPTION OF THE EQUIPMENT Fig. 1D Pos. Pos. Description Descrizione Pos. Pos. Description Descrizione Escape valve Valvola di spurgo Pump feed air inlet Ingresso aria di alimentazione pompa Lubrificant cap Tazza porta lubrificante Pneumatic motor Motore pneumatico Ring gasket press Ghiera premi guarnizioni Material outlet...
nova 20:1 ext TRANSPORT AND SAFETY RULES UNPACKAGING Read carefully and entirely the following • The packed parts should be handled as indicated in the symbols instructions before using the product. Please and markings on the outside of the packing. save these instructions in a safe place.
Page 9
nova 20:1 ext • (IF PROVIDED) TIGHTEN AND CHECK ALL THE FITTINGS The machine is equipped with an anti-freeze FOR CONNECTION BETWEEN PUMP, FLEXIBLE HOSE AND system that allows it to work even at very low SPRAY GUN BEFORE USING THE EQUIPMENT. temperatures.
nova 20:1 ext TYPICAL INSTALLATION CONNECTION TO THE FEED AIR For pump feed use a hose with an internal diameter no lower than 20 mm. NOVA 20:1 EXT pump can be installed on pneumatic double post ram whit shovel plate (see the picture). Install at the pump inlet an air pressure regulator (it is suggested complete with condensate filter The double post ram allows to suck the product directly from...
nova 20:1 ext CLEANING AT THE END OF THE WORK By cleaning at the end of the work we mean the cleaning to carry out in case of use with a different product or if a long period of downtime is foreseen. •...
nova 20:1 ext TROUBLESHOOTING Problem Possible cause Solution The pump does not start Feeding air is not enough; Check the air supply. Increase the diameter of the feeding hose; Outlet product line clogged; Clean. Disconnect the outlet product pipe. Feed pump at minimum pressure and check if the pump starts without the outlet pipe;...
nova 20:1 ext DISASSEMBLY OF THE • Turn counterclockwise the screws (N3) take care to the washers (N4) and remove the covering (N5). PNEUMATIC MOTOR • Unscrew the two ring nuts (N6) from the support (N7). • Turn counterclockwise the screws (N8) take care to the washers (N9) and remove the support (N7) together with the rollers (N10) Always close the compressed air supply and rele- and the pins (N11).
Page 14
nova 20:1 ext • Pull upwards the seat (N17) so as to take out the valves (N18) and the springs (N19) (clean and/or replace the worn parts). • Unscrew the lock nut (N20) [take care of the washer (N21)] by keeping the bush (N22) blocked using a wrench.
Page 15
nova 20:1 ext • Turn counterclockwise the rod guiding screw (N30) [take care to the washer (N31)] and check the seal inside the screw (N30) is undamaged. • Take out the screws (N32) [take care of the washers (N33)] and remove carefully the cylinder (N34) (do not bend it during extraction in order to avoid that motor piston may damage the internal surface of the cylinder).
Page 16
nova 20:1 ext • Check the gas ring inside the support (N39) is undamaged. • Check the gasket (N40) is undamaged and correctly positioned. • Coat the inner walls of the cylinder (N41) with a thin layer of vaseline grease. •...
Page 17
nova 20:1 ext • Insert the springs (N54) and the valves (N55) into the seat (N53). Position the seat on the pump support and lay the manifold (N56) on the seat [do not forget the gasket (N57)]. • Fasten the manifold with screws (do not tighten) ensuring it is perfectly parallel to the other manifold and the distance between them is 46 mm (see illustration).
nova 20:1 ext PUMPING GROUP SPARE PARTS Long assembly pump - short assembly part WARNING: Always indicate code and quantity for each part required. Fig. 1O Pos. Code Description Q.ty Pos. Code Description Q.ty 95003 Bush 95005 O-ring 95004 Sleeve Fig.
Page 19
nova 20:1 ext Fig. 3O Pos. Code Description Q.ty Pos. Code Description Q.ty 95008/1 Wet cup 95721 Escape valve 95773 Gasket press 95914 Tie rod 95776 Upper support 95781 Conveyor Pos. Code Description Q.ty 95767 Female ring 95803 PTFE gasket 95803/1 PTFE gasket 95766...
Page 20
nova 20:1 ext Fig. 6O Pos. Code Description Q.ty Pos. Code Description Q.ty 98003 Material Cylinder 95730 Valve lock 95722 Washer 98039 Lower rod Fig. 7O Pos. Code Description Q.ty Pos. Code Description Q.ty 95754 Shutter 98042 Female ring 98041 Male ring 95733 Packing nut...
nova 20:1 ext SPARE PARTS FOR MOTOR GROUP EXTRUSION 95905 WARNING: Always indicate code and quantity for each part required. www.larius.com ED. 03 - 10/2020 - Cod. 150087...
nova 20:1 ext Pos. Code Description Pos. Code Description 95658 Warning plate 5010 Grounding cable 19256 Atex plate 96210 Ground plate 95136 Adhesive tape ACCESSORIES WARNING: Always indicate code and quantity for each part required. FOLLOWER PLATES for all piston transfer pumps Rif.
Page 27
nova 20:1 ext ACCESSORIES FOR SYSTEMS Code Description 500005 Alarm system end of drum extrusion ram with 2 levels and pump blocking 500006 Management system double-post ram in stand-by. Alarm system end of drum extrusion ram with 2 levels and automatic drum switch with pump blocking 500011 Pneumatic system block pump Vega –...
Page 28
nova 20:1 ext FLOW REGULATORS HIGH PRESSURE Rif. 7130 Code Description 7000 Stainless steel high pressure regulator for recirculation 10-210 bar 7030 Stainless steel high pressure flow regulator 10-210 bar low viscosity 7040 Stainless steel high pressure flow regulator 10-210 bar low viscosity 7050 Stainless steel flow regulator for mastics 10-320 bar 7130...
nova 20:1 ext ATEX CERTIFICATION DESCRIPTION These safety instructions refer to the installation, use and mainte- Larius NOVA series pneumatic piston pumps are nance of LARIUS NOVA series pneumatic piston transfer pumps group II mechanical devices for use in areas where in high risk environments where potentially explosive gasses or gasses classified as iib (category 2 g) are present.
Page 31
nova 20:1 ext SAFETY INSTRUCTIONS FOR INSTALLATION IN Larius S.r.l. Via Stoppani, 21 HAZARDOUS AREAS 23801 Calolziocorte (LC) Read the indications provided in the user and declare under our sole responsability that the product: maintenance manual carefully prior to installa- tion.
nova 20:1 ext CE DECLARATION OF CONFORMITY Company LARIUS srl Via Antonio Stoppani 21 - 23801 Calolziocorte (LC) ITALY Tel: +39 0341 621152 Fax: +39 0341 621243 E-mail: larius@larius.com Declares under his owns resonsibility that the product: NOVA 20:1 EXT Airless pneumatic pump for extrusion complies with the directives: - EC Directive 2006/42 Machinery Directive...
Need help?
Do you have a question about the LARIUS NOVA 20:1 EXT and is the answer not in the manual?
Questions and answers