2200LZJE-HO-C6-N_2013.12.
Chapter 7 Related Documents
Compound 2-stage Screw Compressor 2016**C 7.4 About the O-rings Used
7-22
7.4 About the O-rings Used
7.4.1 List of O-rings Used
Table 7-3 List of O-rings Used
No.
Location
nominal
symbols
attached place description in functional aspect
9 Suction Cover (2) Push Rod P30
35 Sleeve, Balance Piston same as left G95
49 Oil Seal Retainer same as left G115
59 Pipe Guide, Oil Injection Oil Injection Pipe P20
63 Bearing Cover, Balance Piston Cover Unloader Cylinder (1), (2) G125
65 Unloader Piston (1), (2) same as left P100
73-1 Unloader Push Rod (1) Unloader Piston (1) G30
73-2 Unloader Push Rod (2) Unloader Piston (2) P21
75 Unloader Cylinder Cover (1), (2) same as left G110
86 Oil Injection Pipe same as left P21
89-1 Stem, Guide block (1) same as left P20
89-2 Stem, Guide block (2) same as left P16
163 Unloader Slide Valve (1) same as left G25
165 Gland, Oil Injection Pipe same as left G25
197 Bearing Cover Push Rod, Unloader Slide Valve (1) P40
421 Unload Spacer 2016*SC (2) same as left G30
421 Unload Spacer 2016*LC (2), *MC (2) same as left P30
432-1 Main Bearing (1) same as left
* WG22
432-2 Main Bearing (2) same as left G85
433-1 Side Bearing (1) same as left
* WG22
433-2 Side Bearing (2) same as left G85
702 Unloader Spacer (used for MSC low-stage only) same as left G100
744 Sleeve, Oil Seal same as left G60
■ Nominal symbols with * are as per JIS W1516:1965 and other symbols are as per JIS B2401:2005.
■ Attached place means parts which they have grooves or with taper cutting for attaching O-ring.
7.4.2 O-ring Materials Used for Screw Compressor
Table 7-4 List of O-ring Materials Used for Screw Compressor
(excluding mechanical seal)
Working fluid O-ring material
Ammonia
NBR
HFC
CO
2
FKM
HNBR
R23
FKM
Propane
Propylene
Natural gas
City gas
Helium
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