Refcomp SRC-S-503 / 553 / 603, Screw compressor, Semihermetic

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)
NI	CON55261	500261	Tee-piece union 1/8"NPT-1/4"-1/4"SAE.
NI		500263	Straight connection 1/8"NPT-1/4"SAE.
NI	VSG55570	502570	Safety valve 30bar Ø38.
NI	GRF55335	503335	3/8"NPT oil discharge valve assembly.
NI		510170	Closing oval plate I=65.
NI		512041	Closing plate Ø70 (63.6X63.6).
NI		514660	Key 16x10x38.
NI		514760	Key 11.95x8x140.
NI	BLT5500	517220	Stator fixing screw.
NI		517610	Compressor supporting plate.
NI		518270	Closing oval plate I=70.
NI		519290	Oil and probe connection plate "SRC-S-353/603 series".
NI		520664	Aluminium ring Ø28.6x031.8x2.
NI		533957	Compressor supporting plate.
NI		533961	Rotor housing.
NI		540701	Capillary L=838 Ø1.78.
NI	HTR5500	583110	Crankcase heater 230V 275W Ø14.
NI	GKT1032	590790	Shut-off valve gasket Ø57x070x1.
NI	GKT1703	591030	Oval flange gasket I=70.
NI	GKT55320	592320	Oil connection plate gasket "SRC-S-353/603 series".
NI	GKT55732	592732	Step load gasket 'L4'.
NI		610050	Plug 1/4"NPT.
NI		610640	Screw M12x30.
NI		610680	Plug 1/8"NPT.
NI		611120	Screw M6x16.
NI		611370	Screw M10x30.
NI		611940	Cylindrical pin Ø14x35.
NI		612150	Galvanized screw M10x35.
NI		612460	Screw M12x40.
NI		613420	Screw M16x40.
NI		614531	Eyebolt M24.
NI		640610	90° connection 1/4"NPT.
NI	GKT55030CU	680030	Copper washer Ø16x22x1.5.
NI	RNG59030	691030	O-ring OR144.
NI		700210	Sight glass cover 1"1/8-18UNEF.
NI		303369	Bearings kit.
NI		502994	Male rotor 'SRC-S-503' series.
NI		519329	Bearing internal spacer Ø75x087x30.
NI		519330	Bearing external spacer Ø115xØ130x30.
NI		519336	Male rotor suction bush 'SRC-S-503' series.
NI		519337	Female rotor suction bush 'SRC-S-503' series.
NI		533907	Female rotor 'SRC-S-503' series.
NI		612730	Block nut M60x2.
NI		613640	Cylindrical roller bearing.
NI		613650	Cylindrical roller bearing.
NI	LCKCMKM11	613680	Block nut M55x2.
NI		614040	Ball bearing.
NI		614513	Cylindical roller bearing.
NI		614514	Ball bearing.
NI		614546	Screw M10x55.
NI		502995	Male rotor 'SRC-S-553' series.
NI	SRG55338	519338	Male rotor suction bush 'SRC-S-553' series.
NI		519339	Female rotor suction bush 'SRC-S-553' series.
NI		533908	Female rotor 'SRC-S-553' series.
NI		614544	Screw M10x35.
NI		502996	Male rotor 'SRC-S-603' series.
NI		519260	Stopping flared washer M10.
NI		519340	Male rotor suction bush 'SRC-S-603' series.
NI		519341	Female rotor suction bush 'SRC-S-603' series.
NI		533909	Female rotor 'SRC-S-603' series.
NI		614529	Screw M10x20.
NI		519317	Discharge pipe Ø88.9x430.
NI		519331	Bearing spacer Ø130.5x37.
NI		519332	Bearing spacer Ø120x36.
NI		519343	Oil pipe bearing housing connection.
NI	HSG55914	533914	Bearing housing.
NI		533916	Bearing housing cover.
NI		592761	Bearing housing cover gasket.
NI		612400	90° connection 1/4"NPT.
NI		612542	Screw M12x45.
NI		612543	Screw M12x70.
NI		612770	Straight connection 1/4"NPT.
NI		613730	Conical spring Ø51xØ125x4.
NI		613740	Conical spring Ø41xØ100x4.
NI		614020	Screw M16x60.
NI		614470	Koenig expander pin.
NI	RNG1035	690080	O-ring OR3131.
NI	RNG55081	691081	O-ring OR115.
NI		304165	Slide valve kit Vi=2.6.
NI		519191	Spring slide valve.
NI		519224	Front part control piston.
NI		519342	Control piston.
NI		519521	Control piston rod L=198.5.
NI		519643	Slide valve Vi=2.2.
NI		519644	Slide valve Vi=2.2.
NI		519711	Slide valve Vi=2.2.
NI		534116	Slide valve Vi=2.6.
NI		534117	Slide valve Vi=3.2.
NI		534290	Slide valve Vi=4.4.
NI		612470	Screw M14x55.
NI		612980	Screw M4x10.
NI	RNG70125	690160	O-ring OR2081.
NI		691131	Gasket.
NI		691132	Band gasket control piston.
NI		304183	Slide valve kit Vi=3.2.
NI		303658	Electric motor kit 400V/3/50Hz Y/D.
NI		303659	Electric motor kit 400V/3/50Hz Y/D.
NI		303660	Electric motor kit 400V/3/50Hz Y/D.
NI		516770	Key 12.7x10x254.
NI		517240	Shaft washer.
NI		583752	Electric motor 400V/3/50Hz Y/D.
NI		583753	Electric motor 400V/3/50Hz Y/D.
NI		583754	Electric motor 400V/3/50Hz Y/D.
NI		614180	Screw M16x80.
NI		614487	Screw M16x100.
NI	GRF5708	300180	Shut-off valve kit I=99 Ø67.
NI		303830	Shut-off valve kit I=99 Ø76.
NI		303984	Shut-off valve kit I=99 Ø54.
NI	GRF1021	304070	Shut-off valve kit I=99 Ø80.
NI		500250	Shut-off valve 1=99.
NI		510500	Bush Ø80.
NI		510550	Bush Ø67.
NI		510560	Bush Ø76.
NI		513420	Bush Ø54.
NI	GKT1009	590250	Shut-off valve gasket Ø87.5xØ106.8x1.
NI	GKT58130	591130	Shut-off valve gasket Ø84.8xØ105.8x1.
NI		610940	Galvanized grower washer M16.
NI		614080	Galvanized screw M16x170.
NI	TER5504	303774	Terminal plate kit '134-S-160/180/210/220' series.
NI		502510	Terminal plate M12.
NI		512080	Tie rod M10x60.
NI		592420	Cable insulator.
NI	GKT55729	592729	Terminal plate gasket.
NI		610820	Galvanized nut M10.
NI		610960	Galvanized grower washer M12.
NI		613250	Klock nut M10 galvanized.
NI		613900	Galvanized screw M10x30.
NI		613910	Plane washer Ø10.5xØ20x2.
NI		614190	Galvanized screw M12x20.
NI	SEN1009	303170	Motor protector kit.
NI		303376	Electric box kit '134-S-160/180/210/220' series.
NI		502600	Electric box.
NI		518260	Electrical box cover.
NI		585220	Ground label.
NI		592460	Electrical box gasket.
NI		592470	Electric box cover gasket.
NI		592480	Terminal eletric scheme.
NI	GKT59826	592826	Rubber washer gasket ISO 16.
NI		592830	Rubber washer ISO 63.
NI		611150	Galvanized screw M6x14.
NI		613960	Galvanized screw M6x16.
NI	GKT59107	691107	Rubber washer miniplast MP16-6.
NI		691153	Plastic plug ISO 16.
NI		691154	Plastic nut ISO 16.
NI		691161	Plastic plug ISO 63.
NI		691162	Plastic nut ISO 63.
NI	FLR55672	303672	Oil filter kit.
NI	FLR55672	502973	Oil filter cartridge M42.
NI		533956	Oil filter plug.
NI	FLR55672	592785	Oil filter plug gasket.
NI		614500	Screw M16x40.
NI	RNG75582	691105	O-ring OR4487.
NI		519143	Plug 1/8" NPT.
NI		519203	High pressure cover plate.
NI		519309	Punched metal sheet oil separator.
NI	OIL55310	519310	Demister.
NI		519318	Spacer pipe.
NI		519319	Oil separator tie rod.
NI		533888	Oil separator.
NI		592010	Oil separator/rotor housing gasket.
NI		611810	Elastic pin Ø4x20.
NI		612490	Magnet.
NI		614517	Klock nut M14 galvanized.
NI	SOL55123	304123	Solenoid valve kit 230V 50-60Hz R134A.
NI		503330	Coil 230V-50/60Hz.
NI	GKT55731	592731	Solenoid valve gasket I=65.
NI		760450	Solenoid valve.
NI	SOL55422	519422	Capacity control plate 'L4'.
NI		592762	Solenoid valve/plate gasket.
NI		614566	Elastic pin Ø8x3.
NI		500262	Straight connection 1/8"NPT-1/4"SAE.
NI		502971	Suction filter.
NI		510970	Stud M12x70.
NI		519147	Plug 1/4" NPT.
NI		533795	Suction cover.
NI		592746	Suction cover gasket.
NI		610830	Nut M12.
NI		611100	Plane washer Ø10xØ30x2.
NI		613820	Galvanized screw M12x50.
NI		613940	Screw M10x16.
NI		614523	Seeger ring.
NI	VSG55564	303564	Check valve bush kit.
NI		502590	Check valve.
NI	PIN55420	517420	Insert.
NI		534045	Check valve bush.
NI	GKT55782	592782	Check valve bush gasket.
NI		610980	Cilyndrical pin Ø8x80.
NI		303508	Flange + bush kit Ø105.
NI		303538	Flange + bush kit Ø80.
NI		519239	Bush Ø105.
NI		519240	Flange I=122.
NI		519278	Bush Ø108.
NI		519289	Bush Ø80.
NI		519361	Bush Ø89.
NI		519376	Bush Ø77.
NI	GKT55745	592745	Shut-off valve gasket Ø110.5xØ130x1.
NI		610011	Galvanized screw M18x45.
NI		303321	Rubber dumpers kit.
NI		592742	Dumper bush.
NI		592840	Dumper (80°sh).
NI		614525	Galvanized screw M14x70.
NI	KIT55322	303322	Gasket kit.
NI	GKT55730	592730	Closing plate gasket 75x75.
NI	FLS55675	303675	Oil flow switch kit without motor protector INT69VS.
NI		303817	Oil flow switch kit with motor protector INT69VS 230V.
NI		304090	Oil flow switch kit with motor protector INT69VS 110V.
NI		304091	Oil flow switch kit with motor protector INT69VS 24V.
NI	OIL55244	303244	Oil level float kit.
NI	SEN5500	303532	Temperature probe kit 120°C.
NI		303319	ECO shut-off valve kit.
NI		303320	Liquid injection kit.
NI		303121	Shut-off valve kit Ø77.
NI		303122	Shut-off valve kit Ø80.
NI		303123	Shut-off valve kit Ø89.
NI		303124	Shut-off valve kit Ø92.
NI	GRF1022	303125	Shut-off valve kit Ø105.
NI		303126	Shut-off valve kit Ø108.
NI		304170	Flange + bush kit Ø80.
NI		303193	Direct starting kit I=68.2.
NI	FLS55040	303040	FLUSSOSTATO TORNILLO S-353 + 603 / FLOW SWITCH 230V WITH INT 69 VS.
NI	FLS55603	353603	FLUSSOSTATO TORNILLO S-353 + 603 / FLOW SWITCH.
NI	SOL55000	303000	SOLENOID VALVE KIT TO FIT 134-S-110-120-140+213+413 +503 I=65 230 V 50/60 HZ.
NI	SOL55169	303169	VALVULA SOLENOIDE S-163+553 N.C.I= 65.
NI	VRT55702	303702	VALVULA RETENCION + ACCESORIOS Nº 6+7+8+9+11+12+13+14 FIT SRC-S-503.

Refcomp SRC-S-503 / 553 / 603, Screw compressor, Semihermetic

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