Grasso Z / XA, 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/N	OEM P/N	Description (from OEM manufacturer)
0		731125:28Z10	Spare parts sets Type Z, α, fixed Vi (2-year operation).
0		731126:28Z10	Spare parts sets Type Z, α, fixed Vi (5-year operation).
0		731127:28Z50	Spare parts sets Type Z, α, variable Vi (5-year operation).
1		070577:28Z50	Suction casing.
2		070579:28Z50	Rotor casing type Z.
2		072069ALP50	Rotor casing type α.
3		070581:28Z50	Discharge casing.
4		232247:28Z50	Male rotor, type Z.
4		234079:ALP50	Male rotor, type α.
5		070584:28Z50	Female rotor, type Z.
5		072062:ALP50	Female rotor, type α.
6		070616:28Z50	Primary slide type Z, Vi 2,2...4,0 (variable).
6		070617:28Z50	Primary slidetype Z, Vi 2,6...5,5 (variable).
6		070613:28Z50	control slide, type Z, Vi 2,6 (fixed).
6		070614:28Z50	control slide, type Z, Vi 3,6 (fixed).
6		070615:28Z50	control slide, type Z, Vi 4,8.
6		072160:ALP51	Primary slide type α, Vi 2,2...4,0 (variable).
6		072161:ALP52	Primary slide type α, Vi 2,6...5,5 (variable).
6		072157:ALP10	control slide, type α, Vi 2,6 (fixed).
6		072158:ALP20	control slide, type α, Vi 3,6 (fixed).
6		072159:ALP30	control slide, type α, Vi 4,8 (fixed).
7		070623:28Z50	secondary slide, type Z Vi variable.
7		072163:ALP50	secondary slide, type α Vi variable.
7		070621:28Z50	slide stop, type Z Vi fixed.
7		072162:ALP50	slide stop, type α Vi fixed.
8		070587:28Z50	bearing bush.
9		070636:28Z50	shaft seal cover.
10		070634:28Z50	female rotor cover.
11		070633:28Z50	cover plate capacity control.
12		070609:28Z50	cover plate (axial bearings).
13		070611:28Z50	cover plate (axial bearings).
14		070586:28Z50	balance piston.
14		072028:28Z60	balance ring (booster).
15	LNR45010	070601:28Z50	balance bush (standard).
15		070602:28Z50	balance bush (heat pump).
16		070604:28Z50	distance ring (male rotor).
17		070605:28Z50	intermediate ring (male rotor).
19		070607:28Z50	distance ring (female rotor).
21		070608:28Z50	intermediate ring (female rotor).
25		070589:28Z50	covering flange (male rotor).
26		070591:28Z50	covering flange (female rotor).
27		070593:28Z50	end plate (male rotor) Vi 3,6.
27		070597:28Z50	end plate (male rotor) Vi 4,8.
29		070595:28Z50	end plate (female rotor) Vi 3,6.
29		070599:28Z50	end plate (female rotor) Vi 4,8.
30		070620:28Z50	piston rod, type Z.
30		072066:ALP50	piston rod,type α.
31		058987:28Z50	connecting bush.
32		070625:28Z50	check cylinder.
33		070619:28Z50	spacer pin, type Z.
33		072164:ALP50	spacer pin, type α.
34		070626:28Z50	stop piston.
35		070627:28Z50	cylinder stop.
36		070628:28Z50	cylinder.
37		070630:28Z50	piston flange.
38		072027:28Z50	protection strap.
39		058931:28Z50	tension spring support.
40		072023:28Z50	tubular housing, type Z.
40		072067:ALP50	tubular housing, type α.
42		058934:28160	position sensor rod.
44		009637:28080	oil pipe.
49	PLU45102	527820102	screw plug M10x1.
50		510498042	axial bearing.
51	BRG45090	510498006	axial bearing.
52	SEL45401	363098076	shaft seal.
53	SEN4500	627498001	position sensor.
53	SEN4501	627498002	position sensor, explosion-proof.
54	RTN45320	744598125	piston seal.
55	RTN45320	744598125	piston seal.
56	RTN45117	744598117	gasket.
57	RTN45114	744598114	slide bush.
58	RNG40012	762925010	O-Ring 12x2.
59	RNG45025X2	762925017	O-Ring 25x2.
60	RNG45040X5	762925113	O-Ring 40x5.
61		762998081	O-Ring 91,7x3,53.
62	RNG45082	762998082	O-Ring 99,3x5,7.
64	RNG45160X5	762925145	O-Ring 160x5.
65	RNG45150X5	762925142	O-Ring 150x5.
66	RNG45180X5	762925149	O-Ring 180x5.
67	RNG45210X5	762925155	O-Ring 210x5.
68	RNG45290X6	762925188	O-Ring 290x6.
69	RNG45544X6	762998096	O-Ring 544x6.
70	RNG45090X3	762925083	O-Ring 90x3.
71	RNG45190X6	762925172	O-Ring 190x6.
73	BLTCMA16X100	516016134	hexagon head screw M16x100.
74	BLTCMA20X050	516416166	hexagon head screw M20x50.
76	BLTCMA16X065	516016129	hexagon head screw M16x65.
81	BLTCMA8X065	519720041	filister head screw M8x65.
83	BLTCMA6X030	519720021	filister head screw M6x30.
84	BLTCMA10X016TP	519720049	filister head screw M10x16.
85	TLT45021	528221107	eyebolt M30.
86	BLTCMA16X050	516416153	hexagon head screw M16x50.
87	BLTCMA20X070	516016147	hexagon head screw M20x70.
88	LCKCMKM06	537798003	grooved nut M30x1,5.
89	LCKCMKM17	537798002	grooved nut KM17.
90	LCKCMKM19	537798007	grooved nut KM19.
91	LCKCMMB030	543698008	lock plate.
92	LCKCMMB17	543698006	lock plate MB17.
93	LCKCMMB19	543698027	lock plate MB19.
94	PIN45700	072170:ALP50	plug pin.
95	PINCMC4X16	547810196	cylindrical dowel pin.
96	PINCMC5X12	547810238	cylindrical dowel pin.
97	PINCMC6X16	547810295	cylindrical dowel pin.
98	SPG45061	554501061	plate spring B125.
99		069941	tension spring,type Z.
99		072068	tension spring, type α.
100		058940:28S50	tension spring.
101		553200249	pressure spring.
103	SNP45012	544112012	snap ring B16.
105	SNPCMIX065	543910236	lock ring.
106	PLU45104	527820104	screw plug M14x1,5.
107	PLU45114	527821114	screw plug M33x2.
108	PLU45003	527820003	screw plug M12x1,5.
109	PLU45005	527820005	screw plug M16x1,5.
110	PLU2813	527821108	screw plug M22x1,5.
111	PLU45110	527820110	screw plug M26x1,5.
112	GKT02039A	438698023	gasket 14x20.
113	GKTTF0001A	438698007	gasket 6,5x9,5.
114	GKT45014A	438698014	gasket 10x13,5.
115	GKT75303A	438698021	gasket 12x18.
116	GKT45026A	438698026	gasket 16x22.
117	GKT01058A	438698036	gasket 22x27.
118	GKT01046A	438698046	gasket 26x32.
119		488698055	gasket 33x39.
120	PINCMC8X24	547810361	cylindrical dowel.
122		009603:28080	dummy flange NB 250.
123		072026:28Z50	dummy flange NB 150.
127		033341:28071	dummy flange NB 65.
130		071428:28Z50	oil barrier disk.
131	RTN45844	762725844	ring seal.
132		046237:28073	shaft bush.
133	PLU45243	527820243	screw plug M12x1,5.
134		897998015	seal band PTFE.
135	RNG45014X2	762925011	O-Ring 14x2.
136	RNG45018X2	762925013	O-Ring 18x2.
137	SOL45077	501298372	Valve block 4 (S102).
137		501298410	Valve block 4 (S102) explosion-proof.
138	SKT458415	501298415	Spare parts set valve block 4 (S102).
138	SKT45416	501298416	Spare parts set valve block 4 (S102) explosion-proof.
139		501298947	Magnet coil 240 V AC.
140	COL45915	501298915	Magnet coil 220 V AC.
141	COL45946	501298946	Magnet coil 110 V AC.
139		501298413	Magnet coil 48 V AC.
139		501298412	Magnet coil 42 V AC.
139	COL45948	501298948	Magnet coil 24 V DC.
139		501298414	Magnet coil 220 V AC explosion-proof.
140	BLTCMA6X055	519721026	Cheese-headed screw M6x55.
141	SOL45373	501298373	Valve block 2 (S103).
141		501298411	Valve block 2 (S103) explosion-proof.
142	SKT45417	501298417	Spare parts set valve block 2 (S103).
142	SKT45418	501298418	Spare parts set valve block 2 (S103) explosion-proof.
143		501298925	pressure cut out DBV 4,5.
NI	BRG45169	540000169	RODAMIENTO DE BOLAS FIT GRASSO SCREW Z/XA/ THRUST BEARING SKF7319 BEGAM.
NI	BRG456218	962000333	RODAMIENTO DE BOLAS DE CONTACT ANGULAR FIT GRASSO SCREW Z+XA /SINGLE ROW RADIAL BALL BEARING FOR MOTOR 6218/C3 90X160X30.
NI	BRG45800	959800100N	AXIAL BEARINGS MAINTENANCE SET FOR SCREW COMPRESSOR GRASSO TYPES Z+XA HNBR.
NI	BRG45870	0705870	COJINETE DE BANCADA TORNILLO GRASSO FIT Z/XA ALP / MAIN BEARING BUSH, BEARING SLEEVE 4SERV-00029-GENUINE ITEM -.
NI	COL45079	627500079	BOBINA SOLENOIDE FIT GRASSO SCREW / COIL 240 V DC 16W.
NI	COL45081	627500081	SOLENOID COIL 220-240V V AC 50/60HZ 14W DANFOSS -GENUINE ITEM -.
NI	COV45890	0705890	DRIVEN MALE ROTOR FLANGE SEAL FIT GRASSO SCREW Z/XA -GEA -.
NI	COV45910	0705910	DRIVEN FEMALE ROTOR FLANGE SEAL FIT GRASSO SCREW Z/XA -GEA -.
NI	CPL45162	456098162	ACOPLAMIENTO INSERTO ELEMENTO DE GOMA FIT GRASSO Z/XA / RING GEAR COUPLING INSERT RUBBER ELEMENT OIL PUMP FIT KF-3/80+112-5/200-315.
NI	FLR45049	362698049	240X156X521 FILTRO COALESCENTE SCREW GRASSO Z+XA / OIL FILTER 9.45X6.1X20.51.
NI	GKT02613	763000052	SEARCH GKT02613 JUNTA SCREW GRASSO FOR STOP VAVLE.
NI	GKT45196	438698196	JUNTA PLANA SCREW GRASO FIT Z/XA / HEAD GASKET FLAT FLANGE.
NI	GKT45204	438698204	JUNTA PLANA SCREW GRASSO FIT Z/XA+ZB+W / HEAD GASKET FLAT FLANGE.
NI	KIT452330	032F2330	REPAIR KIT FOR SOLENOID VALVE, EVRA 3 DANFOSS FIT FOR GRASSO SCREW V-XA (GENUINE).
NI	KIT45590	2503590HNBR	KIT JUNTAS TORICAS TORNILLO GRASSO FIT Z-XA / SET OF O-RING FOR ASSEMBLY OF BODY ELEMENTS HOUSING AND COVERS GENUINE.
NI	LNR45010	0706010	CAMISA PISTON BALANCEADOR - BALANCED PISTON BUSHING TO FIT GRASSO Z/XA -GENUINE ITEM -.
NI	PIN45520	0589520	CYLINDRICAL SEALING PIN FIT GRASSO H/R/S/T/Z/XA 4MEC-60444.
NI	PIN45700	0721700	CYLINDRICAL PIN LOCKING PIN POLYMER PIN FIT GRASSO P/R/S/V/Y/XA.
NI	PLT45097	0705970	END WASHER PLATE (MALE ROTOR) HR VI 4,8 CONTROL DISC, TO FIT GEA GRASSO FIT Z/XA.
NI	PLT45099	0705990	END WASHER PLATE (FEMALE ROTOR) NR VI 4,8 CONTROL DISC, TO FIT GEA GRASSO FIT Z/XA.
NI	PST45860	0705860	PISTON BALANCEDOR / BALANCED PISTON TO FIT GRASSO Z/XA -GENUINE ITEM -.
NI	RNG45003	L0017240003	JUNTA TORICA TAPA BOMBA ACEITE SCREW GRASSO FIT R+S+T+V+W+Y+Z / O RING COVER OF MECHANICAL SEAL OF OIL PUMP KF30/112...172 NBR.
NI	RNG45018X1.3	762998119	JUNTA TORICA SCREW GRASSO FIT Z+XA+V+W+Y / O-RING 18.0X1.3 NR6731 NBR.
NI	RNG45058X2	762925033N	JUNTA TORICA TAPA BOMBA ACEITE SCREW GRASSO FIT R+S+T+V+W+Y+Z / O RING COVER OF MECHANICAL SEAL OF OIL PUMP KF30 58.0X2.0 NR6447 NBR.
NI	RNG45082	762998082N	JUNTA TORICA FIT V+W+Y+Z+XA / COUNTER O-RING 99.3X5.7 NR1089 NBR.
NI	RNG45090X5	762925130	JUNTA TORICA FIT E+G+H+L+V+W+Y+Z+XA+XB+XC+XD+S3-315 / COVER OF GAS FILTER+INNER ROTATING+ECONOMIZER CONNECTION FLANGE O-RING 90.0X5.0 NR1214 NBR.
NI	RNG45150X5	762925142N	JUNTA TORICA FIT H+L+R+S+T+V+W+Y+Z+XA NBR / SHAFT SEAL COVER GASKET+SUCTION CONNECTION O-RING 150.0X5.0 NR1295.
NI	RNG45190X6	762925172N	JUNTA TORICA FIT GRASSO SCREW Z+XA/ O RING 190.0X6.0 NBR.
NI	RNG45210X5	762925155N	JUNTA TORICA SCREW GRASSO FIT H+R+S+T+Z+XA / O RING 210.0X5.0 NR6152 NBR.
NI	RNG45210X8	762925151	JUNTA TORICA FIT SCREW GRASSO Z+W / O-RING 210.0X8.0 NBR.
NI	RNG45245X5	762925150	JUNTA TORICA FIT SCREW GRASSO Z+W /O RING 245.0X5.0 NR1155.
NI	RNG45314	762998314	JUNTA DE ESTANQUEIDAD SCREW GRASSO FIT Z+XA SENSOR /SEALING PROFILE RING DIN 3869.
NI	RNG45544X6	762998096N	JUNTA TORICA FIT GRASSO Z+XA / O RING 544.0X6.0.
NI	SEL45005P	959000240PRE	SELLO PRENSA GRASSO TORNILLO + TORICA V+W+Y+Z+XA+XY / SHAFT SEAL SET + O-RING NH3 + R-22 D= 85 MM.
NI	SEL45005PX	363098400NB	(72)SELLO PRENSA GRASSO TORNILLO V-W-Y-Z / SHAFT SEAL 52 BAR TO FIT V-W-Y-Z-XA D= 85.
NI	SEL4510	464198320	SELLO BOMBA ACEITE TORNILLO GRASSO / OIL PUMP SHAFT SEAL FIT GRASSO Z+XA+V+W+Y PUMP KF-3 SIC + INOX.
NI	SKT45333	959000333	SET FOR AXIAL PLAY MEASUREMENTS FOR SCREW COMPRESSOR GRASSO TYPES Z/XA (ALPHA).
NI	FLR45415	352199415	110X55X570 KIT FILTRO ACETIE TORNILLO FIT GRASSO R+W+Z+XA /OIL FILTER CARTRIDGE 20 MICRON OMC 50 - MICRO GLASS OIL FILTER ELEMENT KIT FIT GRASSO SCREW RD-1B+W.
NI	SOL45078	627500078	4 WAYS SOLENOID VALVE BODY FOR GREASSO SCREW Z / XA - D= 3.3MM WITHOUT ORIFICE GENUINE ITEM -.
NI	SOL45085	627500085	4 WAYS SOLENOID VALVE BODY FOR GREASSO SCREW Z / XA - D= 2.65 MM WITHOUT DBV GENUINE ITEM -.
NI	SPC45040	0706040	SPACER RING MALE ROTOR FIT GRASSO SCREW COMPRESSOR FIT Z/XA MALE ROTOR.
NI	SPC45070	0706070	SPACER RING FEMALE ROTOR FIT GRASSO SCREW COMPRESSOR FIT Z/XA FEMALE ROTOR.
NI	SPG450LXA	NA	EL MUELLE LARGO DE FIT TORNILLO GRASSO XA / LONG SPRING IN TENSION SPRING SET.
NI	SPG450LZ	NA	EL MUELLE LARGO DE FIT TORNILLO GRASSO Z / LONG SPRING IN TENSION SPRING SET.
NI	SPG45410	0699410	MUELLE TORNILLO GRASSO FIT Z / TENSION SPRING SET.
NI	SPG45680	0720680	MUELLE TORNILLO GRASSO FIT XA / SET TWO OF TENSION SPRINGS.
NI	SRN45217	352100217	SUCTION FILTER ELEMENT STRAINER FIT GRASSO SCREWV+W+Y+Z+XA NB 250 -.
NI	SRN45395	638298395	SPARE PARTS KIT FOR SUCTION STRAINER ELEMENT SGF250-CR WITH O RING FIT GRASSO V/W/Y/XA.
NI	UNL453001	959013001	REPAIR SET FOR CAPACITY CONTROL GEA GRASSO SCREW Z/XA VI-FIXED -GENUINE ITEM -.
NI	UNL453002	959013002	REPAIR SET FOR CAPACITY CONTROL GEA GRASSO SCREW FITZ/XA VI VARIABLE -GENUINE ITEM -.
NI	WAS45030	652600030	WASHER FOR KEY PISTON ROD GROOVED NUT FIT GEA GRASSO Z+XA...XD.

Grasso Z / XA, Screw compressor, Open

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