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Concentric Valves for Compressors

Concentric valves combine suction and discharge sections into a common body for use in single-acting air, gas, and refrigeration compressors. They utilize space efficiently by placing the suction valve in the center with the discharge valve around the periphery. The design can also be reversed for some refrigeration compressors. Spring load for both valves is adjusted through variations in the number and tension of spring plates. Concentric valves are developed in close cooperation with compressor builders to optimize integration into cylinder head designs.

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Odlanier José Mendoza
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271 views1 page

Concentric Valves for Compressors

Concentric valves combine suction and discharge sections into a common body for use in single-acting air, gas, and refrigeration compressors. They utilize space efficiently by placing the suction valve in the center with the discharge valve around the periphery. The design can also be reversed for some refrigeration compressors. Spring load for both valves is adjusted through variations in the number and tension of spring plates. Concentric valves are developed in close cooperation with compressor builders to optimize integration into cylinder head designs.

Uploaded by

Odlanier José Mendoza
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Concentric Valves

For High Speed Air, Gas and


Refrigeration Compressors,
Lubricated Service only

VALVE TYPES: R/C


R/CD
R/CE
R/CF 7

Concentric valves combine suction and discharge section in


6
one common body. They present the best utilization of the available
space for valving in single acting cylinders. Valves come in two
designs: for water cooling and for air cooling.
On most designs, the suction valve occupies the center of the 5
valve and can be equipped with unloaders, while the discharge valve
is around the periphery as a single or two port design. For some
refrigeration compressors, this design is sometimes reversed to have 5
suction outside and discharge on the inside, which then can be
designed to have a liquid relief capability. 4
Outside diameters of the valves range from approximately
70 to 335 mm.
3
Spring load for both valves (SV & DV) is adjusted by variations
in the number and the pre-tension of the spring plates used in both
2
suction and discharge valves.
Concentric valve designs are normally developed in close
cooperation with the compressor builder to provide optimum 2
integration of the valve into the cylinder head design.

CONCENTRIC VALVE ASSEMBLY

1 Lower part and center bolt


assembled and dowel pinned
2 Spring plates
3 Valve plate
4 Valve ring or valve plate
5 Lentoid springs or wafer rings
6 Upper part
7 Lock nut

FIRST IN QUALITY
AND DESIGN
HOERBIGER CORPORATION OF AMERICA, INC.
3350 Gateway Drive, Pompano Beach, Florida 33069
Phone (954) 9 74-5700 or Toll-Free (800) 327-8961 • Fax (954 ) 974-0964
Internet http://www.hoerbigercorp.com • E-mail office@hoerbigercorp.com
A1V128E01CY00D
V128E

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