Catalogues

Grasso M / N, Screw compressor, Open

Use this catalogue to identify the spare parts you need to repair your compressor. The OEM catalogue is crossreferenced with our spare parts database, matched items are highlighted. Some of our existing spare parts may not be shown because our database is incomplete (e.g. missing OEM P/N), or because we sell the items separatelly (typical example is the piston-connecting rod assembly). If you have any doubt please ask us.

All OEM manufacturer's names, part numbers, diagrams, products description and information are provided for reference and identification purposes only, and it is not implied that any part listed is the product of the OEM manufacturer.

Item num.Ralco P/NOEM P/NDescription (from OEM manufacturer)Add
0731128:28N10Spare parts sets Type M & N, fixed Vi (2-year operation).
0731129:28N10Spare parts sets Type M & N, fixed Vi (5-year operation).
0731130:28N50Spare parts sets Type M & N, variable Vi (2-year operation).
0731131:28N50Spare parts sets Type M & N, variable Vi (5-year operation).
1072105:28M50Male rotor, type M.
1072107:28N50Male rotor, type N.
2072106:28M50Female rotor, type M.
2072108:28N50Female rotor, type N.
3072118:28M10Rotor suction casing, type M; fixed Vi.
3072117:28M50Rotor suction casing, type M;variable Vi.
3072115:28N10Rotor suction casing, type N; fixed Vi.
3072114:28N50Rotor suction casing, type N; variable Vi.
4PLU45119527821119Screw plug M 48 x 2.
5GKT75151A
438698072Seal ring 48 x 55.
6PLU2813527821108Screw plugM 22 x 1.5.
6PLU45105527821105Screw plug M 16 x 1,5.
7GKT02039A
438698023Seal ring 22 x 27.
7GKT45026A
438698026Seal ring 16 x 22.
8547898021Pin 16 x 40.
9072121:28N20Discharge casing Vi 3.6.
9072122:28N40Discharge casing Vi 5.5.
9072120:28N50Discharge casing variable Vi.
9072180:28N50Vi flange.
10510498036Roller bearing.
11072217:28N50A-Ring.
12072218:28N50I-Ring.
13BRGHW204050
510398108Axial bearing.
14PINCMC10X40547810433Cylindrical pin 10 x 40.
15762925191O-Ring 320 x 6.
16072151:28N50Thrust piece.
17SPG45002554598002Disk spring.
18069649:28L50Guide disk.
19BLT45015519720015Cheese-headed screw M 6 x 14.
20PINCMC12X40547810495Cylindrical pin 12 x 40.
21072126:28N10Closure flange, fixed Vi.
21072124:28N50Closure flange, variable Vi.
22072151:28N50Thrust piece.
23LCKCMKM13
537798001Grooved nut KM 13.
24LCKCMMB13
543698007Lock plate MB 13.
25072218:28n50I-Ring.
26072217:28N50A-Ring.
27510498036Roller bearing.
28PLU2813527821108Screw plug M 22 x 1,5.
29GKT01058A438698036Seal ring 22 x 27.
30RNG45340X6762925189O-Ring 340 x 6.
31072145:28N50Covering flange M.
32RNG45112X3762925139O-Ring112 x 3.
33PLU2813527821108Screw plug M 22 x 1.5.
34GKT01058A438698036Seal ring 22 x 27.
35510498037Roller bearing.
36072216:28N50Balancing piston.
37PINCMC4X8547810184Cylindrical pin 4 x 8.
38PINCMC8X14547810352Cylindrical pin 8 x 14.
39RNG45055X3762925097O-Ring 55 x 3.
40SEL45003X
363098170Shaft seal complete.
41RNG45130X5
762925138O-Ring 130 x 5.
42RNG45061X4.5762998086O-Ring 61 x 4.5.
43009637:28080Oil pipe.
44072143:28N50Cover.
46BLT45070519721070Cheese-headedscrew M 12 x 30.
49BLTCMA6X050519721025Cheese-headed screw M 6 x 50.
50RNG45014X2762925011O-Ring 14 x 2.
50RNG45018X2762925013O-Ring 18 x 2.
51SOL45077501298372Valve block 4 (S102).
51501298410Valve block 4 (S102), explosion-proof.
51501298947Magnet coil 240 V AC.
51COL45915501298915Magnet coil 220 V AC.
51COL45946501298946Magnet coil 110 V AC.
51501298413Magnet coil 48 V AC.
51501298412Magnet coil 42 V AC.
51COL45948
501298948Magnet coil 24 V DC.
51501298414Magnet coil 220 V AC explosion-proof.
51SKT458415501298415Spare parts set,valve block 4 (S102).
51SKT45416501298416Spare parts set,valve block 4 (S102) explosion-proof.
52PLU45003527820003Screw plug M 12 x 1,5.
52PLU45005527820005Screw plug M 16 x 1,5.
53GKT75303A438698021Seal ring 12 x 18.
53GKT45026A
438698026Seal ring 16 x 22.
54BLTCMA10X040
519720053Cheese-headed screw M 10 x 40.
55BLTCMA10X030
519720051Cheese-headed screw M 10 x 30.
56BLTCMA10X090519720063Cheese-headed screw M 10 x 90.
57072147:28N50Covering flange F.
62TLT75128156
528221104Eye bolt M 16.
63BLTCMA16X055
519721091Cheese-headed screw M 16 x 55.
64BLT45070519721070Cheese-headed screw M 12 x 30.
65RNG45095X5762925131O-Ring 95 x 5.
66072153:28N10Seal flange.
67BLT45054519720054Cheese-headed screw M 10 x 45.
68072229:28M50Screw-in piece, type M.
68072198:28N50Screw-in piece, type N.
69516466164Cheese-headed screw M 20 x 40.
70072226:28N50Blank flange NB 100.
71RNG45130X5
762925138O-Ring 130 x 5.
72072119:28N50Control slide guide.
73553098136Tension spring, type M.
73553098131Tension spring, type N.
74PLU45003527820003Screw plug M 12 x 1,5.
75GKT75303A438698021Seal ring 12 x 18.
76BLT45177519721177Cheese-headed screw M 8 x 12.
77GKT450177A438698010Seal ring 8 x 11,5.
78072139:28M50Vi-slide, type M.
78072131:28N50Vi-slide, type N.
79BLTCMA6X050519721025Cheese-headed screw M 6 x 50.
80RNG45014X2762925011O-Ring 14 x 2.
81SOL45373501298373Valve block 2 (S103).
81501298411Valve block 2 (S103) explosion-proof.
81SKT45417501298417Spare parts set, valve block 2 (S103).
81SKT45418501298418Spare parts set, valve block 2 (S103) explosion-proof.
82072231:28N50Vi-rod, type M/N.
83PINCMC8X45547810377Pin8 x 45.
84RTN45358362999358Seal set.
85RNG45018X3762925054O-Ring 18 x 3.
86PINCMC3X8547810142Pin 3 x 8.
87RNG45120X5762925136O-Ring 120 x 5.
88BLTCMA5X012
519721001Cheese-headed screw M 5 x 12.
89GKT45004A438698004Seal ring 5 x 9.
90072128:28N50Cover for Vi-adjustment.
91BLT45177519720377Cheese-headed screw M 8 x 12.
92072236:28N50Tension spring, type M/N.
93058940:28S50Tension spring.
94SNPCMEX024543910120Locking ring 24 x 1,2.
95072237:28N50Tubular housing, type M/N.
96072230:28N50Vi-cylinder.
97RNG45090X3762925083O-Ring 90 x 3.
98072233:28N50Vi-piston.
99BLT45070519721070Cheese-headed screw M 12 x 30.
100GKT71216A
438698017Seal ring 10 x 16.
101072207:28N50Piston.
102BLTCMA5X012
519721001Cheese-headed screw M 5 x 12.
103GKT45004A438698004Seal ring 5 x 9.
104072141:28N50Cover capacity control.
105RTN45355362999355Seal set.
106BLT45074519721074Cheese-headed screw M 12 x 110.
107RNG45020X3762925055O-Ring20 x 3.
108LNR45100072210:28N50Cylinder.
109RNG45155X5762925144O-Ring 155 x 5.
110RNG45140X5
762925140O-Ring 140 x 5.
111RNG45130X5
762925138O-Ring 130 x 5.
113072136:28M10Control slide, type M; Vi 2.6.
113072137:28M20Control slide, type M; Vi 3.6.
113072138:28M30Control slide, type M; Vi 4.8.
113072156:28M50Control slide, type M; variable Vi.
113072133:28N10Control slide, type N; Vi 2.6.
113072134:28N20Control slide, type N; Vi 3.6.
113072135:28N30Control slide, type N; Vi 4.8.
113072155:28N50Control slide, type N; variable Vi.
114072211:28N50Cylinder limitation.
115RTN45353362999353Seal set.
116072209:28M50Piston rod, type M.
116072208:28N50Piston rod, type N.
117PLU45102527820102Screw plug M 10 x 1.
118072214:28M50Tubular housing, type M.
118072215:28N50Tubular housing, type N.
119072212:28M50Tension spring, type M.
119072213:28N50Tension spring, type N.
120058940:28S50Tension spring.
121058931:28S50Tension spring support.
122per Pos. 123Pressure pipe.
123SEN4500
627498001Position sensor.
124SEN4501627498002Position sensor, explosion-proof.
124RNG40012762925010O-Ring 12 x 2.
125058934:28160Position sensor rod.
126SNP45012544112012Circlip 16.
127LCKCMKM024537710019Grooved nut M 24 x 1.5.
128LCKCMMB024543698040Lock plate 24.
130072149:28N50Cover for suction filter.
131BLT45071519721071Cheese-headed screw M 12 x 35.
132RNG45155X5762925144O-Ring 155 x 5.
133352100223Suction filter element NB 150.
134RNG45142X7762925160O-Ring 142 x 7.
135501498039Check valve, NB 150, integrated.
136RNG45180X5762925149O-Ring 180 x 5.
139BLT45092519721092Cheese-headed screw M 20 x 45.
140072227:28N50Connecting pipe Type D.
140560699153Pipe screwing.
140CLP45997560697997Pipe screwing.
141BLTCMA8X080
519720044Cheese-headed screw M 8 x 80.
142PMP45034456098046Gear pump.
142072044:28L50Flange (for screw compressors without oil pump).
143072221:28N50Driving disk.
143BLTCMA12X035
516306134Hex.screw M 12 x 35 (for screw compressor without oil pump).
144072222:28N50Locking disk.
144072220:28N50Thrust disk (for screw compressor without oil pump).
145PINCMC5X24547810256Cylindrical pin 5 x 25.
146072089:28D50Driving shaft.
147RNG45028X2762925019O-Ring 28 x 2.
148RNG40012762925010O-Ring 12 x 2.
149RNG45012X1.5762998099O-Ring 12 x 1,5.
150VSG45302501498302Overflow valve, 6 bar.
150072052:28L50Closing piece (for screw compressor without oil pump).
NIBLT45010519721010TORNILLO CABEZA CILINDRICA RANURADO FIT GRASSO *M+N* / CHEESE HEAD SCREWS 1/4".
NIBLT45018519720018TORNILLO CABEZA CILINDRICA RANURADO FIT GRASSO *M+N* / FILLISTER CHEESE HEAD SCREWS DIN 912.
NIBLT45033519720033TORNILLO CABEZA CILINDRICA RANURADO FIT GRASSO SCREW FIT*M+N+H+L* /CHEESE HEAD SCREWS DIN 912-8.8.
NIBLT45079519721079TORNILLO CABEZA CILINDRICA RANURADO FIT GRASSO *M+N* / CHEESE HEAD SCREWS DIN 912.
NIBLT45083519721083ORNILLO CABEZA CILINDRICA RANURADO FIT GRASSO *N* /FILISTER/ CHEESE HEAD SCREWS DIN 912-8.8.
NIBLT45085519840085TORNILLO CABEZA CILINDRICA RANURADO FIT GRASSO *N* / FILISTER/ CHEESE HEAD SCREWS DIN 912.
NIBLT45096519720096TORNILLO CABEZA CILINDRICA RANURADO FIT GRASSO *M+N* / CROSS RECESSED RAISED CHEESE HEAD SCREWS DIN912.
NIBLT45097519721097TORNILLO CABEZA CILINDRICA RANURADO FIT GRASSO *M+N* / CROSS RECESSED RAISED CHEESE HEAD SCREWS M16X70.
NIBLT45106519840106TORNILLO CABEZA CILINDRICA RANURADO FIT GRASSO *N* / FILISTER/ CHEESE HEAD SCREWS DIN 912.
NIBLT45109519840109TORNILLO CABEZA CILINDRICA RANURADO FIT GRASSO *N* / FILISTER/ CHEESE HEAD SCREWS DIN 912.
NIBLT45116516316116TORNILLO ALLEN FIT *GRASSO M+N* / HEX. HD SOCKET SCREW SUCTION MANIFOLD DIN 933 12.9 ISO 4017.
NIBLT45186519821086TORNILLO CABEZA CILINDRICA RANURADO FIT GRASSO *M+N* /FILISTER/ CHEESE HEAD SCREWS DIN 912-8.8.
NIBLT45955519720955TORNILLO CABEZA CILINDRICA RANURADO FIT GRASSO *M+N* / CROSS RECESSED RAISED CHEESE HEAD SCREWS M8X130.
NIBRG45036510498036F(10)(27) CYLINDRICAL ROLLER BEARING SUCTION SIDE FIT GRASSO *M+N* NU2313 E.M1.LONGLIFE.
NIBRG45037510498037F(35) CYLINDRICAL ROLLER BEARING SUCTION SIDE FIT GRASSO *M+N* 2214.
NIBRG45050959400100NMAINTENANCE SET EXCHANGE AXIAL BEARINGS SCREW *M+N+SP1* HNBR R-404+507+134A.
NIBRG45200MN959400200KIT RODAMIENTOS FIT GRASSO LT *M/N+SP1* /SET OF ANGULAR CONTACT BEARING REPLACEMENT KIT TO FIT GEA GRASSO SCREW.
NIBRG453100800310SLIDING SLEEVE BEARING SEALING BUSH TO FIT GEA GRASSO SCREW *M+N* DESIGNED FOR THE FREE ROTATION OF A CRANK SHAFT-SCREW COMPRESSOR.
NIBRG45N3NAKIT COJINETES DE BANCADA TORNILLO GRASSO FIT* N-3* / CUSCINETTI DI BANCO - MAIN BEARING KIT.
NIBRG45N30NAKIT COJINETES TOPE FIT GRASSO *N-3* / KIT CUSCINETTI REGGISPINTA.
NICOL45079
627500079BOBINA SOLENOIDE FIT GRASSO SCREW / COIL 240 V DC 16W.
NICOL45081627500081SOLENOID COIL 220-240V V AC 50/60HZ 14W DANFOSS -GENUINE ITEM -.
NIFLR45109
352198109KD90X35X240 FILTRO ACETIE TORNILLO FIT GRASSO /OIL FILTER SCREW GRASSO SCREW FIT M SERIEL *C* - BOTH SIDES OPEN DN 32 MEDIUM.
NIFLR45121959000121FILTRO ACEITE TORNILLO GRASSO FIT FIT MC SERIEL *H+L+M+N* DN 40 / OIL FILTER SCREW DN 40.
NIFLR45122959000122FILTRO ACEITE TORNILLO GRASSO FIT FIT MC SERIEL *H+L+M+N* DN 32/ OIL FILTER SCREW DN 32.
NIFLR45123959000123FILTRO ACEITE TORNILLO GRASSO FIT MC SERIEL *H+L+M+N* DN 40 / OIL FILTER SCREW DN 40.
NIFLR45131
95900013190X41.2X558 FILTRO ACEITE TORNILLO GRASSO *S-52+RB2A+M+N* NH3 / OIL FILTER - BOTH SIDES OPEN DN-40 -.
NIGKT45049763000049JUNTA SCREW GRASSO FOR STOP VAVLE.
NIGKT45088
763000088JUNTA SCREW GRASO FIT *R-3+M+N* / GASKET FLANGE FOR FILTER 45131.
NI548110024CHAVETA REDONDA FIT *SCREW M+N+S+V+Y* / GROOVED DRIVE STUD.
NIKIT450442501810HNBRSET OF O-RING CR FOR ASSEMBLY OF BODY ELEMENTS HOUSING AND COVERS FIT GRASSO *M+N*.
NILNR451000722100CAMISA FIT GRASSO *M+N* / CYLINDER FOR CAPACITY CONTROL TO -GENUINE ITEM -.
NIPIN45011547898011CYLINDRICAL PIN FIT GRASSO *N+M* DIN 7979.
NIPIN45026547898026CYLINDRICAL PIN FIT GRASSO *N+M* DIN 7979.
NIPIN45037627500037CYLINDRICAL PIN FIT GRASSO *N+M* DIN 7979.
NIRNG45004X1762998117JUNTA TORICA FIT *H+L+M+N+R+S+T* / O-RING SCREW GRASSO 4.0X1.0 NR6613 NBR.
NIRNG45010X2762925008JUNTA TORICA FIT *H+L+M+N+R+S+T* /O-RING SCREW GRASSO POSITION SENSOR 10.0X2.0 NR6003 NBR.
NIRNG45015X2762925234NO RING SCREW GRASSO FIT *H+L+M+N+R+S+T* RESISTANCE THERMOMETER 15.0X2.0 NR6005 NBR.
NIRNG45020X2762925014NJUNTA TORICA FIT *SCREW GRASSO* /O-RING SCREW GRASSO FIT *H+L+M+N+R+S+T* 20.0X2.0 NR6619 NBR.
NIRNG45022X2762925028JUNTA TORICA FIT *SCREW GRASSO* /O-RING SCREW GRASSO FIT *H+L+M+N+R+S+T* 22.0X2.0 NR6139 NBR.
NIRNG45022X3762925056JUNTA TORICA FIT *SCREW GRASSO* /O-RING SCREW GRASSO FIT *H+L+M+N+R+S+T* 22.0X3.0 NR1083 NBR.
NIRNG45022X5762925103JUNTA TORICA FIT *SCREW GRASSO* /O-RING SCREW GRASSO FIT *H+L+M+N+R+S+T* 22.0X5.0 NBR.
NIRNG45048X3762925069JUNTA TORICA FIT *SCREW GRASSO* /O-RING SCREW GRASSO FIT *H+L+M+N+R+S+T* POSITION SENSOR+OIL PUMP 48.0X3.0 NBR.
NIRNG45054X3L0017100045JUNTA DE TORICA SCREW GRASSO FIT *H+L+M+N+R+S+T* FOR PUMP KF63 / O-RING 54.0X3.0 NR6819 NBR.
NIRNG45055X3762925097NJUNTA TORICA FIT *SCREW GRASSO* /O-RING FOR SHAFT SEAL SCREW GRASSO FIT *H+L+M+N+R+S+T* 55.0X3.0 NR1065 NBR.
NIRNG45059X5.5390004520A84JUNTA TORICA FIT *SCREW GRASSO M+N* /O-RING 59.0X5.5 NBR.
NIRNG45067762925067NJUNTA TORICA FIT *SCREW GRASSO H+L+M+N* /O RING 49.2X3.5 NR701.
NIRNG45099X5.5762925084JUNTA TORICA FIT *M+N* /O RING SCREW GRASSO 99.0X5.5.
NIRNG45120X5762925136NJUNTA TORICA FIT GRASSO SCREW *E+G+H+L+M+N* / O RING OUTER CYLINDER CAPACITY+SUCTION CONNECTION 120.0X5.0 NR1180 NBR.
NIRNG45130X5
762925138NJUNTA TORICA TAPA SELLO PRENSA FIT * M+N+R+S+T* / SHAFT SEAL COVER O-RING 130.0X5.0 NR6902 NBR.
NIRNG4517000722170A RING ADJUSTMENT SLEEVE FOR MALE DRIVE MOTOR SCREW GRASSO FIT *M+N* -GENUINE MATERIAL -.
NIRNG451800722180I RING ADJUSTMENT SLEEVE FOR DRIVE MOTOR SCREW GRASSO FIT *M+N* -GENUINE MATERIAL -.
NIRNG45320X6762925191NJUNTA TORICA FIT *SCREW GRASSO M+N* /O-RING 320.0X6.0 NR716.
NIRTN45047627500047RETEN PTFE SEALING RING PTFE UNLOADING PISTON FIT GRASSO SCREW *N+M* 115.
NISEL45003P959000220PRESELLO PRENSA GRASSO TORNILLO *H+L+M+N* R-404+134+507 / SHAFT SEAL SET PREMIUM LONGLIFE 52 BAR D= 50MM.
NISKT45000NASERVICE KIT 5.000 HOURS SCREW GRASSO *M+N* FREON NO P/N.
NISKT45003NASERVICE KIT 5.000 HOURS SCREW GRASSO *M+N* NH3 NO P/N.
NISKT45023NA153X64X485 SERVICE KIT FOR FILTRO COALESCENTE GRASSO FIT *V+W+Y+M+N*OMC DN 40 / OIL FINE SEPARATION COALESCER 6.02X2.52X19.09".
NISKT45321959000321CRGASKET SET CR FOR AXIAL PLAY ADJUNSTEMENT FOR GEA GRASSO TYPES M/N.
NISKT45323959000323CRSERVICING SET OF O-RINGS CR FOR MEASUREMNT OF FACE GAP (AXIAL PLAY) FOR TYPE *M+N*.
NISOL45076627500076VALVE BLOCK 4-WAY VALVE SEAT SOLENOID VALVE BODY D= 2.65MM WITHOUT ORIFICE FOR GRASSO SCREW H/L/M/N/S/R/Y GENUINE ITEM -.
NISPG45020553200020MUELLE TORNILLO GRASSO FIT *M+N* / DISCHARGE SPRING 0.8X6.3X15.5.
NISPG452120722120SET OF TWO TENSION SPRINGS TO FIT GEA GRASSO *M* GENUINE MATERIAL.
NISPG452130722130SET OF TWO TENSION SPRINGS TO FIT GEA GRASSO *N* GENUINE MATERIAL.
NISPG452360722360SET OF TWO TENSION SPRINGS TO FIT GEA GRASSO *N VI* GENUINE MATERIAL.
NISPG453500811350MUELLE TORNILLO GRASSO FIT *M+N+H+L* / BELLEVILLE SPRING B 50X25.4X2.5 -.
NISPG4500S0589400SET OF TENSION SPRINGS FOR HDT FIT GEA GRASSO *M+N+S+T+V+Y* TYPE C GENUINE MATERIAL.
NISPG45973KE0000973DISCHARGE SPRING FOR INTEGRATED CHECK/STOP VALVE FIT GEA GRASSO *M+N* GENUINE MATERIAL.
NISRN45206NASUCTION FILTER CARTRIDGE FOR GRASSO *M+N* FROM2017.
NISRN4522335219922399X155X230 SUCTION STRAINER ELEMENT 080-SS-CR FOR GRASSO *M+N*.
NISST45MN2731128OVERHAUL SERVICE SET FIT GRASSO *M+N* 2 YEARS OPERATION.
NISST45MN5731129OVERHAUL SERVICE SET FIT GRASSO *M+N* 5 YEARS OPERATION.
NIUNL457001959007001REPAIR KIT FOR CAPACITY CONTROL GEA GRASSO SCREW FIT*M* VI FIXED.
NIUNL457002959007002REPAIR KIT FOR CAPAICTY CONTROL GEA GRASSO SCREW FIT*M* VI VARIABLE.
NIUNL458001959008001SPARE PARTS AND SEAL KIT OVERHAUL SET CR CAPACITY CONTROL UNIT GRASSO SCREW*N* FIX VI -.
NIUNL458002959008002SPARE PARTS AND SEAL KIT OVERHAUL SET CR CAPACITY CONTROL UNIT GRASSO SCREW*N* VI VARIABLE -GENUINE ITEM -.
NIVAL45250390004510250VALVULA FIT *GRASSO TORNILLO H+L+M+N* / DAMPING SLIDE VALVE 50 X 25.4 X 2.5.
NIWAS45120543811120CHOPPER DISC TO FIT GEA GRASSO SCREW *M+N* DIN 6797 A 8.4 M08.
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