Page 75 - Reciprocating Compressors Operation Maintenance
P. 75
62 Reciprocating Compressors: Operation and Maintenance
* Capacity
* Rotating speed
Piston rods incorporate diameter, length, material, composition, and
fastening arrangements as dictated by both the operating conditions of
the compressor and the design of the piston to which they are connected.
Several different piston rods are shown in Figures 2-21 through 2-23.
FIGURE 2-21. Different types of piston rods used in reciprocating compres-
sors (Source: Dresser-Rand, Painted Post, New York).
FIGURE 2-22. Tandem cylinders (Source: Pennsylvania Process Compres-
sors, Easton, Pennsylvania),
Types of Piston Rods
Configurations vary with cylinder design.
Single Piston Rod. This is the most common type. It contains a sin-
gle piston.