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SMC series reciprocating single-stage compressors - YORK Refrigeration


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Technical documentation Refrigeration
SMC 100 series reciprocating single-stage compressors
The SMC 100 series of medium-sized compressors com­pletes the comprehensive range of reciprocating compres­sors available from YORK - all designed for heavy-duty industrial, offshore and marine applications. These com­pressors have a proven ability to work year after year under the toughest conditions, resulting in thousands of satisfied customers all over the world.
With 15 different sizes providing a displacement from 226-1357 m3/h at the maximum speed of 1500 rpm and with guaranteed ratings for almost all refrigerants, high-stage or booster duty, there is a model ideally suited to every application.
SMC 108 direct driven unit with Unisab II
The basic design was introduced in 1954.All subsequent design improvements are compatible with earlier compres­sor models, a feature that ensures that older compressors can always be upgraded to the latest design.
Quality and reliability
Integrated discharge manifold
Integrated suction manifold with filter
Internal oil filter and gear-type oil pump
Cylinder liners with hardened surface
Lightweight pistons with hard chromium piston rings
Gas-dampened discharge valves
Stop valves with non-rising spindle
Casing in grey cast iron of GG25 quality
Crankshaft in nodular ductile cast iron of GGG70 quality
Casing, covers, crankshaft, connecting rod and cylinder
liners manufactured in YORK's own Meehanite
foundries to ensure full process control
Design pressure 26 bar.
Main features
The comprehensive list of outstanding features includes:
Operating efficiency and safety
Fully unloaded start
Automatic capacity regulation
Low noise and vibration levels
High coefficient of performance (COP)
Excellent part-load characteristics
Internal bypass valve to avoid excessive pressure
Spring-loaded safety heads
Asbestos-free gaskets
Balanced refrigerant-tight shaft seal
Low spare parts requirements
Easy maintenance due to good accessibility
Fully repairable on site.
Standard equipment
• Compressor block with oil pump and oil filter
• Solenoid valves for capacity control
 Suction and discharge stop valves
 Safety valve

pageCatalog pdf di En 2012-06-22-01