Grundfos DMH 25 Series Скачать руководство пользователя

Страница: 47 / 52

English (GB)

Fig. 117

DMH 550-10 (50 Hz), Q

= 3 bar

100

200

300

400

500

600

90 100

h [%]

Q [l/h]

10bar

3bar

3 bar
10 bar

Содержание DMH 25 Series

Страница 1: ...DMH 25X Dosing pump Installation and operating instructions GRUNDFOS INSTRUCTIONS Further languages http net grundfos com qr i 96771725 ...

Страница 2: ...tion and discharge lines 22 7 Electrical connections 23 7 1 Electric servomotor optional 23 7 2 Electronic preselection counter optional 23 7 3 Electrically heated dosing head optional 23 7 4 Diaphragm controller optional 23 7 5 Connecting the power supply cable 24 8 Start up shutdown 24 8 1 Initial start up subsequent start up 24 8 2 Start up subsequent start up of DMH 251 252 and 253 25 8 3 Star...

Страница 3: ...Hazardous hot or cold parts on the pump must be protected to prevent accidental contact Leakages of dangerous substances e g hot toxic must be disposed of in a way that is not harmful to the personnel or the environment Legal regulations must be observed Damage caused by electrical energy must be prevented for more details see for example the regulations of the VDE and the local electricity supply...

Страница 4: ...m Systems in which dosing pumps are installed must be designed in such a way that the safety of the entire system is still ensured following a failure of the dosing pump Provide the relevant monitoring and control functions for this 3 Technical data 3 1 Identification Fig 1 DMH nameplate Note Explosion proof pumps are identified from the pump and motor nameplates An EC declaration of conformity is...

Страница 5: ...P Servomotor 1 x 24 V 50 60 Hz supply 1 kΩ potentiometer control Dosing head variant PP Polypropylene PV PVDF polyvinylidene fluoride PVC Polyvinyl chloride SS Stainless steel 1 4571 EN 10027 2 316Ti AISI Y Stainless steel Alloy C 4 2 4610 EN 10027 2 PP L PP with diaphragm leakage detection PV L PVDF with diaphragm leakage detection PVC L PVC with diaphragm leakage detection SS L SS with diaphragm...

Страница 6: ...Piping 20 25 4 Tubing 6 9 mm 6 Tubing 9 12 B9 G 5 4 hose tubing 19 27 Q Tubing 19 27 25 34 S Tubing 0 375 0 5 V G 5 8 pipe threaded NPT 1 4 female SS A9 G 5 8 pipe threaded NPT 1 2 male PVC PVDF A7 G 5 4 pipe threaded NPT 3 4 male PVC PVDF A3 G 5 4 pipe threaded NPT 3 4 female P Flange 1 1 4 ANSI C3 Threaded 1 1 4 Rp with flange DN32 Mains plug No plug for 3 AC motors X No plug for 1 AC motors and...

Страница 7: ...3 10 13 10 63 16 10 75 25 10 126 DMH 19 10 DMH 19 10 19 10 19 10 96 23 10 115 DMH 24 10 DMH 24 10 24 10 24 10 120 DMH 2 3 16 DMH 2 3 16 2 3 16 2 3 16 14 2 8 16 17 4 5 16 29 DMH 4 9 16 DMH 4 9 16 4 9 16 4 9 16 29 5 9 16 35 9 8 16 58 DMH 12 16 DMH 12 16 12 16 12 16 63 14 16 75 24 16 126 DMH 18 16 DMH 18 16 18 16 18 16 96 22 16 115 DMH 23 16 DMH 23 16 23 16 23 16 120 DMH 2 2 25 DMH 2 2 25 2 2 25 2 2 ...

Страница 8: ...150 DMH 332 10 DMH 332 10 332 10 332 10 92 398 10 110 DMH 403 10 DMH 403 10 403 10 403 10 112 484 10 134 DMH 550 10 DMH 550 10 550 10 550 10 153 DMH 257 DMH 220 10 DMH 220 10 220 10 220 10 28 264 10 34 440 10 56 DMH 440 10 DMH 440 10 440 10 440 10 56 528 10 67 880 10 112 DMH 575 10 DMH 575 10 575 10 575 10 73 690 10 88 1150 10 146 DMH 750 4 DMH 750 4 750 4 750 4 73 900 4 88 1500 4 146 DMH 770 10 D...

Страница 9: ...10 50 10 10 DMH 102 10 DMH 102 10 102 10 10 DMH 143 10 DMH 143 10 143 10 10 DMH 175 10 DMH 175 10 175 10 10 DMH 213 10 DMH 213 10 213 10 10 DMH 291 10 DMH 291 10 291 10 10 DMH 46 16 DMH 46 16 46 16 16 DMH 97 16 DMH 97 16 97 16 16 DMH 136 16 DMH 136 16 136 16 16 DMH 166 16 DMH 166 16 166 16 16 DMH 202 16 DMH 202 16 202 16 16 DMH 276 16 DMH 276 16 276 16 16 DMH 255 DMH 194 10 DMH 194 10 194 10 10 DM...

Страница 10: ...d 3 8 Power supply Power supply for AC voltage Maximum permissible mains impedance 0 084 j 0 084 Ohm testing according to DIN EN 61000 3 11 These details apply to 50 Hz 3 9 Ambient and operating conditions Permissible air humidity max relative humidity 70 at 40 C 90 at 35 C 3 9 1 DMH with motor labelled for coolant temperature 20 C Tamb 40 C Permissible ambient temperature 0 C standard to 40 C for...

Страница 11: ...If the pump has been used for such substances the pump must be cleaned before it is returned If proper cleaning is not possible all relevant information about the chemical must be provided If the above is not fulfilled Grundfos Water Treatment can refuse to accept the pump for service Possible costs of returning the pump are paid by the customer The safety declaration can be found at the end of th...

Страница 12: ...e stroke and seals the stroke area from the drive area The hydraulic excursion of the solid PTFE diaphragm Q displaces an equivalent volume of dosing medium from the dosing head 2 into the discharge line With the suction stroke the piston creates a low pressure which propagates in the dosing head the ball valve 3b on the dosing side closes and the dosing medium flows through the suction valve 3a i...

Страница 13: ...English GB 13 Fig 4 DMH 254 Fig 5 DMH 255 TM03 6450 4506 TM03 6451 4506 1p F L M 3b 3a 9p 3p 2p 5p 6p 2 Q 4p 1p F L M 3b 3a 9p 3p 2p 5p 4p 2 Q 6p ...

Страница 14: ...ng diaphragm oscillates freely in the dosing head and cannot be overstretched due to a fault in the dosing system since the diaphragm protection valve closes if such a fault occurs TM03 6452 4506 1p F L M 3b 3a 9p 3p 2p 5p 6p 2 Q 7p Pos Components 1p Motor 2p Worm gearing 3p Eccentric 4p Recuperating spring not with drive size 3 5p Sliding plug 6p Piston 7p Crank M Combined overpressure and degass...

Страница 15: ... hydraulically separated equilibrium between the valve and diaphragm gap the pressure gauge indicates 0 when the pump is running and when it is stopped If one of these diaphragms breaks the dosing or hydraulic medium penetrates into the gap between the diaphragms and when the ball is removed into the valve The system pressure is therefore impinged on the valve and the contact pressure gauge is act...

Страница 16: ... mm TM03 6454 1612 Z1 d b g j c n k f m h a e k 9mm Pos Description Z1 For double pump motor turned by 180 Pump type a b c d e f g h j k n m DMH 251 345 336 98 192 160 152 86 432 16 116 118 180 DMH 252 345 336 98 192 160 152 86 432 16 116 118 180 DMH 253 368 336 98 192 179 152 86 472 13 124 118 180 ...

Страница 17: ... h a e k 9mm Pos Description Z1 For double pump motor turned by 180 fx mx For double pumps Pump type a b c d e f fx g h j k n m mx DMH 254 436 492 156 252 207 185 260 126 718 10 185 180 225 300 DMH 255 510 492 156 254 228 185 260 126 869 10 253 180 225 300 DMH 257 589 553 170 274 280 241 333 129 980 25 262 195 290 382 ...

Страница 18: ...DMH 251 3 5 3 1 2 9 DMH 252 6 4 6 3 DMH 253 11 3 DMH 254 31 6 30 DMH 255 60 DMH 257 171 131 Warning Observe the chemical manufacturer s safety instructions when handling chemicals Make sure that the pump is suitable for the actual dosing medium Caution The resistance of the parts that come into contact with the media depends on the media media temperature and operating pressure Ensure that parts i...

Страница 19: ...6 14 DN 8 8 DMH 4 9 16 29 DN 8 8 DMH 12 16 63 DN 8 3 DMH 18 16 96 DN 8 1 5 DMH 23 16 120 DN 8 1 DMH 2 2 25 14 DN 8 8 DMH 4 5 25 29 DN 8 8 DMH 11 25 63 DN 8 3 DMH 17 25 96 DN 8 1 5 DMH 21 25 120 DN 8 1 DMH 252 DMH 11 10 29 DN 8 8 DMH 24 10 63 DN 8 2 DMH 37 10 96 DN 8 1 DMH 46 10 120 DN 8 1 DMH 10 16 29 DN 8 8 DMH 23 16 63 DN 8 2 DMH 36 16 96 DN 8 1 DMH 45 16 120 DN 8 1 DMH 54 16 144 DN 8 1 DMH 253 ...

Страница 20: ...n TM03 6296 4506 1i 2i 3i 4i 5i 6i 7i 9i 10i 8i max 1m Max 1 m Pos Components 1i Dosing tank 2i Electric agitator 3i Extraction device 4i Suction pulsation damper 5i Dosing pump 6i Relief valve 7i Pressure loading valve 8i Pulsation damper 9i Measuring glass 10i Injection unit ...

Страница 21: ...n damper 4i immediately before the pump suction valve Fig 14 Installation with suction side pulsation damper Note for discharge side installation Depending on the dosing flow and the line length it may be necessary to install a properly sized pulsation damper 4i on the discharge side Fig 15 Installation with discharge side pulsation damper For degassing and viscous media flooded suction Install a ...

Страница 22: ... DN 20 pipe lines Depending on the pipe material and connection glue the pipe PVC weld it PP PVDF or stainless steel or press it in stainless steel Fit the gasket Screw the pipe on the valve using the union nut Fig 20 Connection of DN 20 pipe lines Connection of DN 32 pipe lines Depending on the pipe material fit the pipe to the welding neck flange and weld it stainless steel or insert it into the...

Страница 23: ...7 4 Diaphragm controller optional Fig 25 Diaphragm controller TM03 6459 4506 Pos Components 2f Dosing head liquid heated 2f1 Hose nipple DN 10 connection Warning Electrical connections must only be carried out by qualified personnel Disconnect the power supply before connecting the power supply cable and the relay contacts Observe the local safety regulations The pump housing must only be opened b...

Страница 24: ...ion and the pump must be labelled clearly e g by labelling the socket outlet Caution The pump can be automatically started by connecting the power supply Warning The pump must be connected to an external clearly labelled mains switch with a minimum contact gap of 3 mm in all poles Warning The specified enclosure class can only be ensured if the power supply cable is connected with the same degree ...

Страница 25: ...heck the oil level and add oil if necessary Refit the oil filling screw F The pump is now ready for operation TM03 6462 4506 Pos Components 1q Dosing head screws 2 Dosing head 3b Discharge valve E Degassing valve F Oil filling screw with dipstick L Stroke length adjustment knob 1l Cover for stroke length adjustment knob M Pressure relief valve Warning Risk of injury caused by squirting oil Oil may...

Страница 26: ... the oil deaeration when the pump is running Do not completely unscrew the oil deaeration screw Wear protective clothing gloves and goggles when working on the dosing head connections or lines Note Rod length of oil dipstick 35 mm Immersion depth to marking approx 5 mm Note Check the oil level at least every two weeks and add oil if necessary Only use original Grundfos gear oil For product numbers...

Страница 27: ...it from the power supply 2 Depressurise the system 3 Take suitable steps to ensure that the returning dosing medium is safely collected 4 Carefully remove all lines 5 Uninstall the pump 8 7 2 Cleaning 1 Rinse all parts that have come into contact with the medium very carefully lines valves dosing head diaphragm 2 Remove any trace of chemicals from the pump housing 8 7 3 Storage Storage of the pump...

Страница 28: ...ced into the valve thereby causing an error to occur Checks after a diaphragm leakage detection 1 Briefly open the deaeration screw 2u and then close it again 2 Switch on the pump 3 If after a short period of time a diaphragm leakage is detected again a diaphragm has broken Fig 32 Dosing head with double diaphragm Caution Before switching on the pump check that it is installed correctly See sectio...

Страница 29: ...ing loaded optional DN 32 valve for 60 Hz operation suction side only with adapter Flange connection Stainless steel or plastic Clean the suction and discharge valves as follows 1 Unscrew the valves 2 Unscrew the screw parts and valve set using round pliers 3 Dismantle the inner part seat O ring balls ball cages and if present spring 4 Clean all parts Replace faulty parts by new ones 5 Re assemble...

Страница 30: ... dosing head connections or lines The dosing diaphragm should be replaced with each gear oil change Before removing the dosing head valves and lines empty any remaining medium in the dosing head into a drip tray by carefully unscrewing the suction valve Note Only use original Grundfos gear oil For product numbers see Service kit catalogue on www grundfos com Pump type Version Description DMH 251 S...

Страница 31: ...arts 3q 5q in the correct order as is shown in the diagrams the clamping sleeves 6q are used for centring purposes Fig 40 Diaphragm on dosing head side Note See section 8 Start up shutdown for subsequent start up Caution Risk of leaking oil and damage caused by oil loss For each oil change a new flat gasket 1b must be fitted Caution After initial start up and after each time the diaphragm is chang...

Страница 32: ...sary 2 Refit the oil filling screw F Torques Caution The paraffin oil between the diaphragms Q is connected via the clamping sleeves 6q to the contact pressure gauge S in order to fill and activate the diaphragm leakage detection The oil is able to pass between the diaphragms through the slits in the clamping sleeves and the slits in the intermediate disk The clamping sleeves 6q must therefore be ...

Страница 33: ...l non return valve T 5 Screw the contact pressure gauge S and connection piece U back on 6 For pumps and pressure gauges in explosion proof version screw the earth cable 4u back on Note Only clean the ball non return valve after a diaphragm breakage TM03 6453 4506 Pos Components S Contact pressure gauge 5s Union nut 6s Contact output T Ball non return valve U Connection piece 2u Deaeration screw 3...

Страница 34: ...s Never block the overpressure valve Discharge valve is installed in the opposite direction of the flow Observe the arrow on the valve Install the discharge valve correctly The diaphragm protection system AMS responds The overpressure valve reacts independently of the dosing flow adjustment 10 to 100 Valve on suction side closed Open the valve Suction filter obstructed Clean the suction filter Rep...

Страница 35: ... a higher viscosity mainly for frequency converter operation and higher counter pressures Pressure gauge in discharge line Counter pressure has seriously increased Overpressure valve is adjusted too low Readjust the zero point Correct the setting of the pressure relief valve Especially at stroke frequencies below 15 strokes min e g frequency converter operation Degassing valve M is not working pro...

Страница 36: ...ow Q0 Zero point of the pump h Stroke length TM03 6477 4506 TM03 6478 4506 TM03 6479 4506 0 2 4 6 8 10 0 10 20 30 40 50 60 70 80 90 100 h Q l h 3bar 10bar 3 bar 10 bar 0 2 4 6 8 10 0 10 20 30 40 50 60 70 80 90 100 h Q l h 3bar 10bar 3 bar 10 bar 0 2 4 6 8 10 12 14 16 18 0 10 20 30 40 50 60 70 80 90 100 h Q l h 3bar 10bar 3 bar 10 bar TM03 6480 4506 TM03 6481 4506 TM03 6482 4506 TM03 6483 4506 0 2 ...

Страница 37: ...ar 3bar 16bar 10 bar 16 bar 3 bar 0 2 4 6 8 10 12 14 16 18 0 10 20 30 40 50 60 70 80 90 100 h Q l h 10bar 16bar 10 bar 16 bar 0 2 4 6 8 10 12 14 16 18 0 10 20 30 40 50 60 70 80 90 100 h Q l h 16bar 10bar 10 bar 16 bar TM03 6488 4506 TM03 6489 4506 TM03 6490 4506 TM03 6491 4506 0 0 4 8 12 16 20 24 28 0 10 20 30 40 50 60 70 80 90 100 h Q l h 3bar 10bar 16bar 10 bar 16 bar 3 bar 0 4 8 12 16 20 24 28 ...

Страница 38: ... 50 60 70 80 90 100 h Q l h 20bar 25bar 10bar 20 bar 25 bar 10 bar 0 2 4 6 8 10 12 14 16 18 0 10 20 30 40 50 60 70 80 90 100 h Q l h 20bar 25bar 10bar 20 bar 25 bar 10 bar 0 2 4 6 8 10 12 14 16 18 0 10 20 30 40 50 60 70 80 90 100 h Q l h 25bar 20bar 10bar 20 bar 25 bar 10 bar TM03 6496 4506 TM03 6497 4506 TM03 6498 4506 0 4 8 12 16 20 24 28 0 10 20 30 40 50 60 70 80 90 100 h Q l h 20bar 25bar 10ba...

Страница 39: ...16 0 10 20 30 40 50 60 70 80 90 100 h Q l h 10bar 3bar 3 bar 10 bar 0 4 8 12 16 20 24 28 32 0 10 20 30 40 50 60 70 80 90 100 h Q l h 3bar 10bar 3 bar 10 bar 0 4 8 12 16 20 24 28 32 0 10 20 30 40 50 60 70 80 90 100 h Q l h 3bar 10bar 3 bar 10 bar TM03 6503 4506 TM03 6504 4506 TM03 6505 4506 TM03 6506 4506 3 0 50 Q0 3ba 0 10 20 30 40 50 0 10 20 30 40 50 60 70 80 90 100 h Q l h 3bar 10bar 3 bar 10 ba...

Страница 40: ... 40 50 60 70 80 90 100 h Q l h 16bar 10bar 10 bar 16 bar 0 4 8 12 16 20 24 28 32 0 10 20 30 40 50 60 70 80 90 100 h Q l h 16bar 10bar 10 bar 16 bar 0 5 10 15 20 25 30 35 40 45 0 10 20 30 40 50 60 70 80 90 100 h Q l h 16bar 10bar 10 bar 16 bar TM03 6511 4506 TM03 6512 4506 TM03 6513 4506 TM03 6514 4506 0 5 10 15 20 25 30 35 40 45 0 10 20 30 40 50 60 70 80 90 100 h Q l h 16bar 10bar 10 bar 16 bar 0 ...

Страница 41: ... 30 40 50 60 70 80 90 100 h Q l h 3bar 10bar 3 bar 10 bar 0 10 20 30 40 50 60 0 10 20 30 40 50 60 70 80 90 100 h Q l h 3bar 10bar 3 bar 10 bar 0 10 20 30 40 50 60 0 10 20 30 40 50 60 70 80 90 100 h Q l h 3bar 10bar 3 bar 10 bar TM03 6519 4506 TM03 6520 4506 TM03 6521 4506 TM03 6522 4506 0 10 20 30 40 50 60 70 80 90 0 10 20 30 40 50 60 70 80 90 100 h Q l h 3bar 10bar 3 bar 10 bar 0 10 20 30 40 50 6...

Страница 42: ...English GB 42 Fig 90 DMH 100 10 50 Hz Q0 3 bar TM03 6523 4506 0 20 40 60 80 100 120 0 10 20 30 40 50 60 70 80 90 100 h Q l h 3bar 10bar 3 bar 10 bar ...

Страница 43: ...20 30 40 50 60 70 80 90 100 h Q l h 3bar 10bar 3 bar 10 bar 0 20 40 60 80 100 120 140 160 180 200 0 10 20 30 40 50 60 70 80 90 100 h Q l h 3bar 10bar 3 bar 10 bar 0 20 40 60 80 100 120 140 160 180 200 0 10 20 30 40 50 60 70 80 90 100 h Q l h 3bar 10bar 3 bar 10 bar TM03 6528 4506 TM03 6529 4506 TM03 6530 4506 TM03 6531 4506 0 50 100 150 200 250 0 10 20 30 40 50 60 70 80 90 100 h Q l h 3bar 10bar 3...

Страница 44: ...0 70 80 90 100 h Q l h 10bar 16bar 10 bar 16 bar 0 20 40 60 80 100 120 140 0 10 20 30 40 50 60 70 80 90 100 h Q l h 10bar 16bar 10 bar 16 bar 0 20 40 60 80 100 120 140 160 180 200 0 10 20 30 40 50 60 70 80 90 100 h Q l h 10bar 16bar 10 bar 16 bar TM03 6536 4506 TM03 6537 4506 TM03 6538 4506 TM03 6539 4506 0 20 40 60 80 100 120 140 160 180 200 0 10 20 30 40 50 60 70 80 90 100 h Q l h 10bar 16bar 10...

Страница 45: ...108DMH 276 16 50 Hz Q0 10 bar TM03 6540 4506 TM03 6541 4506 0 40 80 120 160 200 240 280 0 10 20 30 40 50 60 70 80 90 100 h Q l h 10bar 16bar 10 bar 16 bar 0 40 80 120 160 200 240 280 320 0 10 20 30 40 50 60 70 80 90 100 h Q l h 10bar 16bar 10 bar 16 bar ...

Страница 46: ...0 20 30 40 50 60 70 80 90 100 h Q l h 3bar 10bar 3 bar 10 bar 0 100 200 300 400 0 10 20 30 40 50 60 70 80 90 100 h Q l h 3bar 10bar 3 bar 10 bar 0 100 200 300 400 0 10 20 30 40 50 60 70 80 90 100 h Q l h 3bar 10bar 3 bar 10 bar TM03 6546 4506 TM03 6547 4506 TM03 6548 4506 TM03 6549 4506 0 50 100 150 200 250 300 350 400 450 0 10 20 30 40 50 60 70 80 90 100 h Q l h 3bar 10bar 3 bar 10 bar 0 50 100 1...

Страница 47: ...English GB 47 Fig 117DMH 550 10 50 Hz Q0 3 bar TM03 6550 4506 0 100 200 300 400 500 600 0 10 20 30 40 50 60 70 80 90 100 h Q l h 10bar 3bar 3 bar 10 bar ...

Страница 48: ... 80 90 100 h Q l h 10bar 3bar 3 bar 10 bar 0 100 200 300 400 500 600 0 10 20 30 40 50 60 70 80 90 100 h Q l h 10bar 3bar 3 bar 10 bar 0 100 200 300 400 500 600 0 10 20 30 40 50 60 70 80 90 100 h Q l h 10bar 3bar 3 bar 10 bar TM03 6555 4506 TM03 6556 4506 TM03 6557 4506 TM03 6558 4506 0 100 200 300 400 500 600 700 800 0 10 20 30 40 50 60 70 80 90 100 h Q l h 10bar 3bar 3 bar 10 bar 0 100 200 300 40...

Страница 49: ...1 4506 TM03 6562 4506 0 100 200 300 400 500 600 700 800 900 1000 0 10 20 30 40 50 60 70 80 90 100 h Q l h 3bar 10bar 3 bar 10 bar 0 100 200 300 400 500 600 700 800 900 1000 0 10 20 30 40 50 60 70 80 90 100 h Q l h 10bar 3bar 3 bar 10 bar 0 200 400 600 800 1000 1200 0 10 20 30 40 50 60 70 80 90 100 h Q l h 3bar 10bar 3 bar 10 bar 0 200 400 600 800 1000 1200 0 10 20 30 40 50 60 70 80 90 100 h Q l h ...

Страница 50: ...odel number _____________________________ No media or water _____________________________ A chemical solution name _________________________ see pump nameplate Fault description Please make a circle around the damaged part In the case of an electrical or functional fault please mark the cabinet Please give a short description of the fault _____________________ _____________________ Date and signat...

Страница 51: ... 1 2 3 Shin Miyakoda Kita ku Hamamatsu 431 2103 Japan Phone 81 53 428 4760 Telefax 81 53 428 5005 Korea GRUNDFOS Pumps Korea Ltd 6th Floor Aju Building 679 5 Yeoksam dong Kangnam ku 135 916 Seoul Korea Phone 82 2 5317 600 Telefax 82 2 5633 725 Latvia SIA GRUNDFOS Pumps Latvia Deglava biznesa centrs Augusta Deglava ielā 60 LV 1035 Rīga Tālr 371 714 9640 7 149 641 Fakss 371 914 9646 Lithuania GRUNDF...

Страница 52: ...32240 The name Grundfos the Grundfos logo and be think innovate are registered trademarks owned by Grundfos Holding A S or Grundfos A S Denmark All rights reserved worldwide Copyright Grundfos Holding A S www grundfos com ...

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