mycom UD Series User Manual

Chapter 7 Related Documents
UD-series Screw Compressor 7.6 O-rings Used
7-38
7.6 O-rings Used
Table 7-17 List of O-ring Materials Used for Screw Compressor
(excluding mechanical seal)
Working fluid
O-ring material
Working
Fluid
Ammonia
NBR
H Hydrofluorocarbon (HFC)
CO
2
*Note HNBR
R23
FKM
Propane
Propylene
Natural gas
City gas
Helium
＊Note: Select FKM if you suspect that gases other than CO
2
or impurities are mixed in.
Table 7-18 List of O-rings Used
P/N
Location
125
160
200
250
320
400
9
Suction Cover
P42(2)
P42(2)
G55(2)
G60(2)
P58(1)
G95(1)
35
Balance Piston
Sleeve
-
G95(1)
P120(1)
P150(1)
G190(1)
G240(1)
49
Seal Retainer
G85(1)
G90(1)
G115(1)
G135(1)
G160(1)
G160(1)
59
Oil Injection Pipe
P30(2)
P30(2)
P40(2)
P46(2)
P32(1)
-
63
Unloader Cylinder
G95(1)
G125(1)
G150(1)
G190(1)
G240(1)
G300(1)
65
Unloader Piston
P75(1)
P100(1)
P125(1)
P155(1)
P200(1)
P265(1)
73
Unloader Push
Rod
P21(1)
P21(1)
G30(1)
G35(1)
P44(1)
G45(1)
75
Unloader Cylinder
Cover
G85(1)
G110(1)
G135(1)
G170(1)
G210(1)
G270(1)
86
Oil Injection Pipe
-
-
-
-
G30(1)
-
89
Guide Block
P12(2)
P16(2)
P20(2)
P20(2)
P24(2)
-
150
Thrust Bearing
Gland
-
-
-
-
G220(2)
G290(2)
325
O-ring Gland
-
-
-
-
-
P70(2)
432
Main Bearing
-
G85(4)
G22☆(4)
G135(4)
G165(4)
G200(4)
433
Side Bearing
-
G85(4)
G22☆(4)
G135(4)
G165(4)
G200(4)
674
Seal Cover
-
-
-
-
-
G39☆(1)

mycom UD Series Specifications

General

Brand	mycom
Model	UD Series
Category	Air Compressor
Language	English