Vilter 450 XL® Compressor For Industrial Refrigeration
450XL Cross Section Spring Loaded Safety Heads Protect against liquid slugging by relieving internal cylinder pressure if cylinders are subjected to an incompressible fluid. 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.
Compression and Oil Rings The 450XL piston ring set consists of three compression 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 capabilities.
Nominal High-Stage Capacities With its 114 mm bore and stroke, the 450XL provides up to 30% more capacity than similar size compressor units, all while maintaining a favorable COP ratio. Complete detailed ratings for all 450XL high-stage models, plus ratings for 450XL booster compressors, special high suction pressure compressors, and even integral two-stage compressors, are available for all major refrigerants either from the Vilter Sales Offices.
Time-Honored Features The Vilter 450XL Full Two-Year Warranty Vilter’s attention to detail shows wherever you look. Over a century of experience in refrigeration compressor design goes into each and every part that comprises the 450XL. The 450XL compressor is fully warranted against defects of materials and workmanship under normal use and service, for a period of two years from date of shipment regardless of startup date.
General Specifications The complete line of 450XL compressors is comprised of six models ranging from a nominal 88 kW cooling capacity 2-cylinder machine all the way to the high end of the scale – a nominal 704 kW cooling capacity 16-cylinder model. In-between are the 4, 6, 8 and 12-cylinder mid-size units. All 450XL compressors run at a maximum of 1200 RPM, and all are provided with built-in capacity reduction steps for economical operation at reduced loads.
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 508 883 16 2108 2013 1581 508 1514 E Cyl. D E 991 Direct Drive Ammonia Cyl. A B C D E Cyl.
General Dimensions Number of Cylinders Maximum RPM 452XL 454XL 456XL 458XL 4512XL 4516XL 2 4 6 8 12 16 1200 1200 1200 1200 1200 1200 114 x 114 114 x 114 114 x 114 114 x 114 114 x 114 114 x 114 CFM @ Maximum RPM (m3/h) 169 336 507 676 1014 1352 Refrigeration Capacity at -12°C/+35°C, R-717 (kW) 84 172 257 341 514 686 Bore & Stroke (mm) Suction Connection (inch) 2 1/2 3 4 4 5 6 Discharge Connection (inch) 2 2 1/2 3 3 2x3 2x3 Unit Weight Less Motor (kg) 862
