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Summary of Contents for Piusi MA
- Page 1 MA - MP POMPE PENUMATICHE A MEMBRANA DIAPHRAGM PUMPS MANUALE D’USO E MANUTENZIONE INSTRUCTIONS FOR USE AND MAINTENANCE...
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Page 2: Diaphragm Pumps
MA - MP DIAPHRAGM PUMPS INSTRUCTIONS FOR USE AND MAINTENANCE INDEX DECLARATION OF CONFORMITY FOREWORD INTRODUCTION PUMP IDENTIFICATION IDENTIFICATION CODES PUMP DESCRIPTION TECHNICAL FEATURES WARRANTY SAFETY RULES TRANSPORT AND POSITIONING CONNECTING THE PRODUCT CIRCUIT PNEUMATIC CONNECTION COMMISSIONING PRODUCT CIRCUIT MAINTENANCE... - Page 3 DECLARATION OF CONFORMITY PIUSI MA-MP 38/72...
- Page 4 39/72...
- Page 5 40/72...
- Page 6 The Manufacturer trusts you will be able to make full use of the performances of- fered by Piusi MA and Piusi MP pumps. All the technical values refer to the standard version of Piusi MA and Piusi MP pumps (please see “TECHNICAL FEATURES”). How- ever, our continuous search for innovation and improvements in the technological quality means that some of the features may change without notice.
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Page 7: Pump Identification
These signs indicate that proper individual pro- COMPULSORY tection must also be used against energetic events AND INDIVID- because of the dangers that may arise during the UAL PROTEC- operation. TION SIGNS OPERATOR this function entails full knowledge and under- standing of the information contained in the user manual issued by the Manufacturer as well as spe- ci c skills related to the sector of use. -
Page 8: Identification Code
Balls seats O-RINGS CODE PUMP casing air side uid side F00208P00 PIUSI MP 130 HYTREL PTFE PTFE PTFE F00208A00 PIUSI MA 130 F00208P20 Piusi MP 140 HYTREL PTFE PTFE PTFE F00208P10 Piusi MA 140 F00208P30 Piusi MP 180 HYTREL PTFE PTFE... -
Page 9: Pump Description
When complete, the cycle reverses. Improper use: use of a Piusi MA and Piusi MP pumps for any other WARNING use other than that previously described in the chapter entitled “TECHNICAL CHARACTERISTICS”... -
Page 10: Technical Features
the user must consider the ratio between the pump’s WARNING maximum surface temperature indicated on the marking and the minimum ignition temperature of the layers and clouds of powder as shown in the EN1227-1. Use of the pump that does not comply with the WARNING instructions indicated in the use and maintenance manual will cancel the safety and explosion protec-... - Page 11 PUMP Ø Ø Piusi MP 130 PP 1/2” Piusi MA 130 ALU 1/2” Piusi MP 140 PP 1” Piusi MA 140 ALU 1” Piusi MP 180 PP 1” Piusi MA 180 ALU 1” Piusi MP 190 PP 1 1/4” Piusi MA 190 ALU 1 1/4”...
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Page 12: Warranty
WARRANTY The high quality of Piusi MA and Piusi MP pumps is often con rmed to us by the end users. However, should any defect appear, please contact the Manufacturer’s After-Sales Service, your dealer or the nearest Customer Service Centre twhere you will receive assistance as quickly as possible. - Page 13 use of the pumps in a manner that does not comply WARNING with the instructions indicated in the use and main- tenance manual will cancel all the requirements for safety and protection against of explosions. the maximum allowed temperature for process WARNING uids or powder is equal to 65/95°C depending on the construction materials;...
- Page 14 the air supply pressure must never be over 7 bar or WARNING below 2 bar. when using the pump with aggressive or toxic liq- WARNING uids or with liquids that may represent a health haz- ard you must install suitable protection on the pump to contain, collect and signal any spills: danger of pollution, contamination, injuries and/or death.
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Page 15: Transport And Positioning
If the diaphragm should break, replace these ele- ments completely if they have come into contact with the product. The air-driven motor of the Piusi MA and Piusi MP WARNING pumps is self-lubricating and will not require any greasing. Therefore avoid using lubricated and non-dried air. - Page 16 3. Make sure that all of the pump’s screws are well tightened. 4. Hoist the pump using suitable equipment according to the weight shown on the plate. 5. If the pump has been forwarded with drain silencer disassembled, mount the same.
- Page 17 The diameter of the intake pipe must never be WARNING smaller than the connection of the pump, but must be increased as the distance increases. Fluid to be pumped with negative suction must never exceed a viscosity of 5,000 cps at 20° C and a speci c weight of 1.4 Kg/l.
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Page 18: Connecting The Product Circuit
CONNECTING THE PRODUCT CIRCUIT After positioning the pump you can now connect it to the product circuit as follows: only ttings with cylindrical gas threads in materials WARNING compatible with both the uid to be pumped and the pump’s construction materials must be used. For example: Pump made from PP = PP tting 1. - Page 19 4. Connect the product intake and delivery hoses to their respective ttings whilst taking into consideration the signs on the pump: “IN” = INTAKE (down) and “OUT” = DELIVERY (up) or according to that indicated by the arrows. 5. Secure the hoses using the relevant clamps. Provide appropriate support for the piping.
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Page 20: Pneumatic Connection
PNEUMATIC CONNECTION To connect the pump to the pneumatic circuit, you must: pneumatic supply to the Piusi MA and Piusi MP WARNING pumps must be made using FILTERED, DRIED, NON LUBRICATED OIL FREE AIR at a pressure of not less than 2 bars and not more than 7 bars. - Page 21 NOT LESS THAN 2 bars AND NOT MORE THAN 7 bars when the pump is running. For Piusi MA and Piusi MP pumps equipped WITH RUBBER BALLS, DO NOT EXCEED 5 bars. Lower or higher pressure may cause functional problems or pump breakage, product spills and damages to persons or objects.
- Page 22 COMMISSIONING The user must always use materials that are compatible with the pumped liquid according to the pump’s design conditions. it is forbidden to use the pump with uids that are WARNING not compatible with the pump’s construction mate- rials or in a place that contains incompatible uids. To commission the pump, proceed as follows: 1.
- Page 23 never start the pump with the product valves (intake WARNING and delivery) closed: DANGER OF DIAPHRAGM BREAKAGE. 4. Open the on-o ball valve mounted on the pump connection. 5. Open the three-way valve. 6. Check and regulate the network air pressure when the pump is running: MIN 2 bar MAX 7 bar;...
- Page 24 Besides being damaging for the pump, cavitation is dangerous in a potentially ex- plosive atmophere: You must ascertain that the pump has been sized correctly. In case of doubt, please contact PIUSI. ascertain that no anomalous noises occur during WARNING operation.
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Page 25: Product Circuit Maintenance
Put the following prohibition and danger signs near the place where the pump is installed General Danger Danger Danger Danger Sign Corrosive Flammable Explosive Material Material Material Danger Toxic Danger Prohibition No smoking Material Incandes- on Open cent Liquid Flames’ Use Sprinkles PRODUCT CIRCUIT MAINTENANCE before intervening on the pump and/or performing... - Page 26 ÷ 0 bar remove deposits of powder from the external sur- WARNING faces of the pump with a cloth soaked in suitable neutral detergents. 1. Disconnect uid intake and delivery hoses from pump. 2. Disconnect the compressed air supply pipe from the pump. 3.
- Page 27 check that there are no deposits of any kind inside CAUTION the pump, and if found remove them with a damp cloth. A4. Reassemble by repeating the previous sequence in reverse order. Tighten the xing bolts evenly. Cleaning and/or replacement of balls and ball seats nishes here. You can now reposition the pump and reconnect it as described in the previous sections.
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Page 28: Air Circuit Maintenance
periodic controls must be made to ensure that WARNING there are no deposits of powder on the internal surfaces and, if necessary, they must be cleaned with a damp cloth. B2. Remove any deposits on the internal surfaces with a damp cloth. B3. - Page 29 3. Disassemble and remove the pump from its place of installation using suitable hoisting equipment. REPLACING THE COAXIAL PNEUMATIC EXCHANGER All Piusi MA and Piusi MP pumps have a coaxial pneumatic exchanger; to replace it proceed as follows: Should the pump be returned to the manufacturer...
- Page 30 B1. Disassemble the intake and delivery manifolds by removing their xing elements. B2. Disassemble the two pump casings by removing the relevant xing screws. B3. Remove the external diaphragm locking cap from both the circuits. B4. Remove the diaphragms from both sides of the pump. B5.
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Page 31: Troubleshooting
TROUBLESHOOTING For more serious problems, we strongly oraccomend WARNING that you contact the PIUSI SERVICE DEPARTMENT; our engineers will provide you assistance as quickly as possible. PROBLEM POSSIBLE SOURCE ADVICE The pump does not start No air in the circuit. - Page 32 PROBLEM POSSIBLE SOURCE ADVICE Pump cycles are slow Fluid is too viscous. No remedy. Delivery hose is ob- Check and clean. structed. Intake is obstructed. Check and clean. Pump functions irregu- Internal pneumatic larly exchanger is worn or faulty. Shaft is worn. Replace pneumatic ex- changer.
- Page 33 Balls do not close Disassemble the mani- properly. folds and clean the seats or both the balls and the ball seats. Insu cient air ow. Check pressure using pressure gauge installed on thepump when it is running: see page 56. if the pressureat that point is too low in relation network...
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Page 34: Demolition And Disposal
DEMOLITION AND DISPOSAL The Piusi MA and Piusi MP pump does not contain dangerous parts; however, when they are worn out, they must be disposed of in the following manner. - Page 35 70/72...
- Page 36 71/72...
- Page 37 PIUSI S.p.A. Suzzara (MN) Italy...
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