Bitzer IV, Reciprocating compressor, Open, 2 Cylinders

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)
1		30002501	housing; from year: ca. 11/82.
2	BRG2504E	31110409	bearing bush; used in: face side; from year: ca. 11/98.
3	BRG2504E	31110406	bearing bush; used in: face side; from year: ca. 11/98.
4	BRG2524	31110407	bearing bush; from year: ca. 11/98.
5	BRG2524	31110407	bearing bush; from year: ca. 11/98.
6	CKS231000201	31000201	eccentric shaft; steel.
7		37401803	shaft seal; HFC; used in: complete.
7	SEL2504	37400803	shaft seal; used in: complete.
8	RNG72019	37201305	O-ring; HFC; used in: shaft seal.
8	RNG72019	37200103	O-ring; HCFC, (CFC); used in: shaft seal.
9		00000003	not separately deliverable.
10		00000003	not separately deliverable.
11	RNG40360	37201307	O-ring; HFC; used in: shaft seal.
11	RNG40360	37200105	O-ring; HCFC, (CFC); used in: shaft seal.
12		37230003	gasket; used in: side cover.
13		30530201	side cover.
14		38015505	hexagon head screw; DIN 933, 10.9.
15	WHL2504	30321951	flywheel.
16	KEY2504	31510703	threaded key; used in: flywheel.
17		31510005	threaded key; used in: flywheel.
18	WAS9062	38201102	washer; DIN 134.
19	SPGCMW8	38220104	single coil spring washer; spring steel DIN 127.
20	NUT41410	38110105	hexagon nut; DIN 934, 8.8.
21	RNG2012	37201003	O-ring; HFC; used in: sight glass; from year: ca.11/82.
21	GKT2029	37230112	gasket; used in: sight glass.
21	RNG2012	37200315	O-ring; CR; used in: sight glass; from year: ca.11/82.
22	GLS2000	36180202	sight glass; steel / glass.
22	GLS2001	36180602	sight glass; steel / glass.
24		38015406	hexagon head screw; DIN 933, 10.9.
25		32050102	spacer washer; used in: spring compensation.
26	SPG232500024	32500024	pressure spring; spring steel.
27	BALVT000	38600202	ball; DIN 5401.
28		37231002	gasket; used in: sealing cover.
29		30541202	sealing cover.
30		31310001	insert plate.
31		38015505	hexagon head screw; DIN 933, 10.9.
32		36611008	Sealing Plug; steel.
35		36611121	sealing plug; 0.
38	CKS2504	30201401	eccentric; from year: ca. 03/92.
39	KEY2509	31510709	threaded key; used in: eccentric.
40		31510002	threaded key.
41		38202102	washer; steel DIN 9021.
42		38110104	hexagon nut; DIN 934, 8.8.
43	KEY2510	31510710	threaded key; used in: eccentric.
44		31510005	threaded key.
45	WAS9062	38201102	washer; DIN 134.
46	NUT41410	38110105	hexagon nut; DIN 934, 8.8.
47	LCK2504	32030804	oil splasher plate.
48	PIN2504M	30223905	connecting rod / piston; used in: complete.
49	ROD2504	30211802	connecting rod; used in: using utmost care; from year: ca. 04/76.
50		31110302	bearing bush; used in: connecting rod; from year: ca. 04/76.
51	PST2504	30223314	piston; aluminium alloy; from year: ca. 03/89.
52		38340116	wrist pin; from year: ca. 04/76.
53	SNPCMIX018	38223103	retaining ring with lugs; spring steel DIN 472; from year: ca. 04/76.
54	SGM2504	38230035	piston ring; from year: ca. 01/86.
55		37240401	gasket.
56		38015506	hexagon head screw; DIN 933, 10.9.
57		30010401	cylinder; from year: ca. 04/76.
58		32031501	covering plate for cylinder.
59		38010191	hexagon head screw; coated DIN 933, 8.8; from year: ca. 03/88.
61	PLT2504	30405005	valve plate; used in: complete.
62	VAL2511	32021002	valve reed.
63		32023002	retainer.
64		32500019	pressure spring; spring steel.
65		32401802	locking plate.
66		31500002	hexagon head screw.
71	VAL2503	32020004	valve reed.
72		31502002	cheese head screw.
74		37250401	gasket; used in: valve plate.
75		37260401	gasket; used in: cylinder head.
76		30230501	cylinder head; grey cast iron; used in: air-cooled; from year: ca. 12/71.
77		38005504	hexagon head screw; DIN 931, 10.9.
78		30230601	cylinder head; Water cooled grey cast iron; used in: water-cooled.
78		30235102	cylinder head; Sea-water resistant; used in: seawater resistant.
79		38005508	hexagon head screw; DIN 931, 10.9.
80	PLU75022	36611001	Sealing plug; steel.
82	GKT1236	37270203	gasket; used in: Discharge shut-off valve.
83		38015505	hexagon head screw; DIN 933, 10.9.
84	GRF2310	36131510	shut-off valve; brazed connection; from year: ca. 05/01.
88		36620117	Protective Cap; Span of the jaw: 20 Plastic - GRP.
89		36620201	sealing nut.
90	GKT1236	37270203	gasket.
91	SRN2201	36200103	suction gas filter.
92	BLTCMA8X020	38030602	Cheese head screw; DIN 912, 10.9.
93		36131005	shut-off valve; brazing and welding bush.
94		36600003	pipe connection; Brazed connection steel copper-plated.
95	GKT2100T	37220003	Gasket; teflon.
99		36620117	Protective Cap; Span of the jaw: 20 Plastic - GRP.
100		36620201	sealing nut.
101	KIT2504	37280005	gasket set.
NI	BRG2504	NA	KIT 4 COJINETES BITZER IV MOD. NUEVO / KIT 4 BEARINGS IV NEW MODEL 34X30X20 + 23X20X25 MM.
NI	BRG2504I	31110402	COJINETE VOLANTE INTERIOR IV ANTIGUO (-10/98) / BEARING BUSH INNER 34X30X40.
NI	BRG2504_	NA	KIT 2 COJINETES BITZER IV MOD. ANTIGUO / KIT 2 BEARINGS IV OLD MODEL 36X30X42 + 25X20X47 MM.
NI	CKS230101401	30101401	EXCENTRICA -IV-.
NI	PIN2504	NA	BULON PISTON BITZERIV / ALUMINIUM PISTON PIN 18X12X56.
NI	SGM2504_	38230020	SEGMENTO PISTON HIERRO BITZER IV / PISTON RING 65X2.5 MM. 3 SEG. UP TO 1986.
NI	SGM2504__	38230022	SEGMENTO PISTON HIERRO BITZER IV / OLD PISTON RING 65X3 MM. HASTA -01/1982.

Bitzer IV, Reciprocating compressor, Open, 2 Cylinders

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