Catalogues

Bitzer I, 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.

Compressor description by Ralkin

General 0-VIIW Series Description: The Bitzer 0 to VIIW series is a model line of open-type compressors that has been successfully proven over decades worldwide. Through continuous development and the use of high-quality materials, this series consistently sets the international quality standard.

Model Identification

Based on the request for model "I" within the 0-VIIW series:

  • I: Base Compressor Type (Part of the 0-VIIW series).
  • (W): Water-cooled cylinder head identifier (Not present in request "I", implying air-cooled standard, unless specified otherwise). Note: For type I, W is available upon request.
  • (Y): Ester oil charge identifier (Not present in request "I", implying standard mineral oil charge, unless specified otherwise).

Technical Features:

  • Drive Gear: High-efficiency, robust, and wear-resistant design featuring reduced friction aluminum pistons, safe oil supply via splash lubrication, special piston pin bearings, and a design that is widely insensitive to liquid slugging due to its robustness and low speed.
  • Valve Plate: Efficient and stable design with high volumetric efficiency due to optimized working valves.
  • Maintenance: Maintenance-friendly design with good accessibility of the shaft seal, requiring no special tools.

Specifications & Data:

  • Compressor Type: I
  • Compressor Speed Range: 465 rpm (min) to 975 rpm (max)
  • Number of Cylinders: 2
  • Bore: 35 mm
  • Stroke: 26 mm
  • Oil Charge: 0.4 dm³
  • Weight: 13.5 kg (Standard weight for base type I)
  • Connections:
    • Suction Line: 12 mm (Brazed)
    • Discharge Line: 10 mm (Brazed)
    • Cooling Water Line: N/A (Air-cooled standard)

Displacement (Varies by motor pulley size at 1450 min⁻¹):

  • With 70 mm pulley: 1.70 m³/h
  • With 90 mm pulley: 2.20 m³/h
  • With 110 mm pulley: 2.70 m³/h
  • With 120 mm pulley: 2.92 m³/h
Item num.Ralco P/NOEM P/NDescription (from OEM manufacturer)Add
130000101housing; grey cast iron.
200000011is not required for this type !.
300000011is not required for this type !.
400000011is not required for this type !.
631000001eccentric shaft; steel.
7SEL2501Y
37401801shaft seal; HFC; used in: complete.
7SEL2501
37400801shaft seal; used in: complete.
8RNG45014X337201303O-ring; HFC; used in: violet.
837200101O-ring; HCFC, (CFC); used in: violet.
900000003not separately deliverable.
1000000003not separately deliverable.
11RNG45018X3
37200102O-ring; HCFC, (CFC); used in: violet.
11RNG45018X3
37201304O-ring; HFC; used in: violet.
1237230001gasket; used in: side cover.
1330530001side cover.
1438015404hexagon head screw; DIN 933, 10.9.
1530312501flywheel.
1631510701threaded key; used in: flywheel.
1731510001threaded key; used in: flywheel.
1838200103washer; brass DIN 125.
19SPGCMW6
38215001thrust washer; spring steel; from year: ca. 01/14.
2038110104hexagon nut; DIN 934, 8.8.
2632500023pressure spring; spring steel.
2738600201ball; DIN 5401.
2837231001gasket; used in: sealing cover.
2930541201sealing cover.
3031310001insert plate.
31BLTCMA6X020
38015406hexagon head screw; DIN 933, 10.9.
32PLU220836611008Sealing Plug; steel; from year: ca. 05/86.
3536611121sealing plug; 0; from year: ca. 09/08.
3830200101eccentric.
3931510706threaded key; used in: eccentric.
4031510001threaded key.
4138200103washer; brass DIN 125.
4238110104hexagon nut; DIN 934, 8.8.
4331510706threaded key; used in: eccentric.
4431510001threaded key.
4538200103washer; brass DIN 125.
4638110104hexagon nut; DIN 934, 8.8.
4732030802oil splasher plate.
48PRA250130223902connecting rod / piston; used in: complete.
4930211806connecting rod; used in: using utmost care; from year: ca. 06/93.
5031110702bearing bush; used in: connecting rod; from year: ca. 06/93.
5130220101piston; grey cast iron; from year: ca. 06/79.
5238340110wrist pin; from year: ca. 06/79.
5338302302dowel pin; from year: ca. 09/80.
5537240101gasket.
5638015505hexagon head screw; DIN 933, 10.9.
5730010101cylinder.
5832031501covering plate for cylinder.
5938010191hexagon head screw; coated DIN 933, 8.8; from year: ca. 03/88.
61PLT250130405002valve plate; used in: complete.
62VAL2510
32021001valve reed.
6332023001retainer.
6432500018pressure spring; spring steel.
6532401801locking plate.
6631500001hexagon head screw.
71VAL2501
32020002valve reed.
7231502001cheese head screw.
7437250101gasket; used in: valve plate.
7537260101gasket; used in: cylinder head.
7630230101cylinder head; grey cast iron; used in: air-cooled.
7738005503hexagon head screw; DIN 931, 10.9.
80PLU7502236611001Sealing plug; steel.
8237270101gasket; used in: discharge shut-off valve.
8338015505hexagon head screw; DIN 933, 10.9.
8436131501shut-off valve; brazed connection PS45/DN8/S19(10/2LA42)TX/AF1; from year: ca. 04/01.
8836620117Protective Cap; Span of the jaw: 20 Plastic - GRP.
89NUT9000
36620201sealing nut.
9037270101gasket.
9136200001suction gas filter.
9238015505hexagon head screw; DIN 933, 10.9.
9336131502shut-off valve; brazed connection PS45/DN10/S19(12/2LA42)TX/AF1; from year: ca. 03/01.
9936620117Protective Cap; Span of the jaw: 20 Plastic - GRP.
99PLU250037501401Protective Cap; Span of the jaw: 20 Plastic - GRP.
100NUT9000
36620201sealing nut.
101KIT250137280002gasket set.
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