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Vilter 450 XL® Compressor For Industrial Refrigeration

Vilter 450 XL® Compressor For Industrial Refrigeration
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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. Piston and Connecting Rod The unique design of the piston and connecting rod assembly allows for movement only between the connecting rod bushing and piston pin, while providing positive...

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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. Connecting Rod Bearings* Vilter’s unique oil circuit drilling arrangement ensures proper hydrodynamic lubrication of insert bearings throughout the entire compression process. Rod bearings are specially designed to supply...

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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 main- taining a favorable COP ratio. Complete detailed ratings for all 450XL high-stage models, plus rat- ings for450XL booster compressors, special high suction pressure compressors, and even integral two-stage compressors, are avail- able for all major refrigerants either from the Vilter Sales Offices. Nominal high-stage ratings forthe 450XL are shown in Figure 1 Figure 2 | Broad Applications Figure 1 | High Stage capacities 450XL ratings...

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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 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. For example, if startup occurs one month from shipping date, the customer will have a full twentythree (23) months of warranty coverage after startup. We have designed...

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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. V-belt and direct-connected motor operation are also available throughout the entire range of 450XL models. We have tried to make...

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V-Belt Drive Ammonia Direct Drive Ammonia V-Belt Drive Halocarbon Direct Drive Halocarbon General Dimensions – The dimensions shown above are approximate, and should not be used for construction. Vilter issues certiﬁed prints for construction purposes. These dimensions are provided in millimeters. Space needed to remove ﬂywheel 178mm. Space needed to remove crankshaft, from wall to centerline of compressor 1067mm for 2-8 cylinder models, and 2134mm for 12-16 cylinder models.

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General Dimensions 452XL Number of Cylinders Maximum RPM Suction Connection (inch) Discharge Connection (inch) Unit Weight Less Motor (kg) Standard Steps of Unloading (%) Option 1 Steps of Unloading (%) Option 2 Steps of Unloading (%) Maximum Discharge Temperature (°C) Crankcase Oil Temperature Range (°C) Vilter reserves the right to make changes in design and speciﬁcations without notice. For more details, see www.emersonclimate.eu Emerson Climate Technologies GmbH - European Headquarters - Pascalstrasse 65 - 52076 Aachen, Germany Tel. +49 (0) 2408 929 0 - Fax: +49 (0) 2408 929 570 -...

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