7) Class 2 pressure vessel
A cylinder with gauge pressure of 0.2MPa or more and capacity of 0.04m
3
or more, or a
cylinder of bore size Ø200mm or more and stroke over 998mm, corresponds to a “Class
2 pressure vessel”. A withstand pressure certificate is supplied with these cylinders after
an official inspection.
For example, the following cylinders would be classed as class 2 pressure vessels.
Cylinder bore size 180mm, Stroke over 1569mm (0.04m
3
)
Cylinder bore size 200mm, Stroke over 998mm (0.03m
3
)
Cylinder bore size 250mm, Stroke over 813mm (0.04m
3
)
Cylinder bore size 300mm, Stroke over 564mm (0.04m
3
)
8) How to order
CS1 L
N 160
－
300 JR
- 12 -
Maximum stroke (mm)
(Refer to Table 1)
Mounting
B Basic
L Foot
F
Rod side flange
G
Head side flange
C Single
clevis
D Double
clevis
T Center
trunnion
Additional symbol to cylinder
J
Nylon tarpaulin
Bellows
K
Heat resistant tarpaulin
N
Without cushion
R
With cushion on rod side
H
With cushion on head side
Cushio
n
Nil
With cushion on both sides
*If specifying more than one symbol, please
indicate them in alphabetical order.
Bore size
125 125mm
140 140mm
160 160mm
180 180mm
200 200mm
250 250mm
300 300mm
Tube material
Symbol
Bore size
Tube material
Ø125 to Ø160 Aluminum tube
Nil
Ø180 to Ø300 Steel tube
F
Ø125 to Ø160 Steel tube
Type
N Non-lube
