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Vilter 450 XL® Compressor
For Industrial Refrigeration
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450XL Cross Section Spring Loaded Safety Heads Protect against liquid slugging by relieving internal cylinder pressure if cylinders are subjected to an incompressible fl uid. Suction and Discharge Porting Maximum suction and discharge porting through the compressor achieves minimum pressure drop with valve plates that are made to exacting Vilter material and manufacturing requirements for long-term service. Piston and Connecting Rod The unique design of the piston and connecting rod assem
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Compression and Oil Rings The 450XL piston ring set consists of three compres- sion rings and a single, special oil scraper ring for keeping oil consumption to an absolute minimum. Heavy-Duty Crankshaft* An over-sized crankshaft pin diameter provides years of rugged, dependable duty, while the larger bearing surface allows for higher pressure differential capabi- lities. Connecting Rod Bearings* Vilter’s unique oil circuit drilling arrangement ensures proper hydrodynamic lubrication of inser
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Complete detailed ratings for all 450XL high-stage models, plus rat- Nominal High-Stage Capacities ings for 450XL booster compressors, special high suction pressure With its 114 mm bore and stroke, the 450XL provides up to 30% compressors, and even integral two-stage compressors, are avail- more capacity than similar size compressor units, all while main- able for all major refrigerants either from the Vilter Sales Offi ces. taining a favorable COP ratio. Nominal high-stage ratings for the 450X
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Time-Honored Features The Vilter 450XL Full Two-Year Warranty Vilter’s attention to detail shows wherever you look. Over a cen- The 450XL compressor is fully warranted against defects of materi- tury of experience in refrigeration compressor design goes into als and workmanship under normal use and service, for a period each and every part that comprises the 450XL. of two years from date of shipment regardless of startup date. For example, if startup occurs one month from shipping date, the W
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General Specifi cations The complete line of 450XL compressors is comprised of six for starting and to provide capacity control. The piston and models ranging from a nominal 88 kW cooling capacity 2-cylinder connecting rods shall be assembled with a shrink-fi t wrist pin for machine all the way to the high end of the scale – a nominal 704 higher load carrying capabilities and superior wearing qualities. kW cooling capacity 16-cylinder model. In-between are the 4, 6, 8 and 12-cylinder mid-size u
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2 & 4 Cylinder Units 6 & 8 Cylinder Units 12 & 16 Cylinder Units V-Belt Drive Ammonia Cyl. A B C D E Cyl. A B C D E Cyl. A B C D E 12 2108 2013 1486 508 1514 6 1930 1410 1026 508 867 12 2108 2013 1486 508 1514 16 2108 2013 1581 508 1514 8 1930 1422 991 508 883 16 2108 2013 1581 508 1514 Direct Drive Ammonia Cyl. A B C D E Cyl. A B C D E Cyl. A B C D E 2 2000 1041 1259 508 740 12 2356 1073 1026 508 867 12 3258 1280 1524 546 1514 4 2203 1054 1310 508 802 16 2419 1140 991 508 883 16 3258 1280 1616
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General Dimensions 452XL 454XL 456XL 458XL 4512XL 4516XL Number of Cylinders 2468 12 16 Maximum RPM 1200 1200 1200 1200 1200 1200 Bore & Stroke (mm) 114 x 114 114 x 114 114 x 114 114 x 114 114 x 114 114 x 114 3 CFM @ Maximum RPM (m /h) 169 336 507 676 1014 1352 Refrigeration Capacity at -12°C/+35°C, R-717 (kW) 84 172 257 341 514 686 Suction Connection (inch) 2 1/2 34456 Discharge Connection (inch) 2 2 1/2 3 3 2 x 3 2 x 3 Unit Weight Less Motor (kg) 862 1225 1406 1542 2404 2630 Oil Charge (l) 19
