Double acting hydraulic cylind
發(fā)布時間：2009-09-20 來源：揚子工具集團(tuán) 瀏覽次數(shù):50064Remarks：Nitrile rubber and fluorine．contained
rubber include cloth-inserted rubber．
Cushioning The cushionings shall be classified as given in Table 6
according to the locations where the cushions are to be built—in午夜成年男人免费网，ant．with or
without thereof．
Table 6．Cushionings
|
Locations where cushionings are to be
built．in and with or without thereof
|
Symbol
|
|
|
cushion．
|
Rod end and head end
|
B
|
|
ing
|
Rodend
|
R
|
|
Head end
|
H
|
|
|
Without cushioning
|
N
|
|
(5)—External oi—l leakages The external oil leakages shall be classifie4【into
Class A800Av800在线800视频800，Class B and Class C as given in Fi9．4 according to the aounts of
oil leakage from the wiper parts of the rods．
8
B 8354．1992
As regards the request for the smaller leakage than the Class A shall
be as agreed between the purchaser and supplier．
加
n3
Q2
Rod diameter d(mm)
(6)—Presence or abs—ence of switch The cylinders shall be classified as given
in Table 7 by presence or absence of the switch．
5．Performances
Table 7．Presence or absence of switch
5．1一—No load 0—peration When tested in accordance with l0．2．1，the move—
ments of the cylinder shall be smooth．
The value of the minimum operating pressure shall be not more than the
value of Table 8(A)or Table 8(B)being classified by the shapes of the packin9．
However激情久久综合精品久久久久，when the minimum operating pressure other than this value is re-
quired欧美在线视频a免费观看，its value may be determined as agreed between the purchaser and sup-
plier．
The shape of the packing shall be classified as given in Table 9．
9
E 8354．1992
Table 8(A)Minimum operating pressures for rod packings other than V—I acking
Unit：K Pa{kgf／cm2)
|
Shape of
|
Nominal
|
When pressure
|
When pressure is supplied from rod
|
||
|
piston
packing
|
pressure
(MPa)
|
is supplied from
head end
|
Rod diameter
symbolA
|
Rod diameter
symbol B
|
Rod
磚
|
|
V
|
7
|
0.5(5 J
|
0.98(10)
|
0.74(7.5J
|
0．!
|
|
14·2l
|
Nominal pres-
sure×6％
|
Nominal pres·
sure×l2％
|
Nominal pres—
sure×8.6％
|
Nomi：
SUre>
|
|
|
LoUoX
|
7
|
0.29{3)
|
0.59{6)
|
0.44【4.5)
|
0．
|
|
OoS
|
14.21
|
Nominal pres-
sure×4％
|
Nominal pres-
sure×8％
|
Nominal pres-
sure×5.7％
|
Nomi：
SUl．e≯
|
|
P
|
7
|
0.1{1 J
|
0.2{2)
|
0.15(1.5J
|
0．：
|
|
14021
|
Nominal pres-
sure×1.5％
|
Nominal pres·
sure×3％
|
Nominal pres·
sure×2.1％
|
Nomi：
8Ure>(
|
|
Table 8(B)Minimum operating pressures for rod packings of V—packing
end
|
Shape of
|
Nominal
|
When pressure
|
When pressure is supplied from rod
|
||
|
piston
packing
|
pressure
(MPa)
|
is supplied from
head end
|
Rod diameter
symbolA
|
Rod diameter
symbol B
|
Rod
sy7
|
|
V
|
7
|
0.74{7.5)
|
1.5{15)
|
1.1{11)
|
0.9
|
|
14021
|
Nominal pres-
sure×9％
|
Nominal pres·
sure×l8％
|
Nominal pres-
sure×13％
|
Nomin
8Ure×
|
|
|
L·Uox
|
7
|
0.44{4.5】
|
0.9{9】
|
0.64(6.5)
|
0.5—
|
|
OoS
|
14.21
|
Nominal pres-
sure×6％
|
Nominal pres-
sure×12％
|
Nominal pres-
sure×8.5％
|
Nomin
SUl’e×
|
|
P
|
7
|
0.15{1.5)
|
0.3(3)
|
0.2(2)
|
0.1．
|
|
14021
|
Nominal pres-
sure×2.5％
|
Nominal pres·
sure×5％
|
Nominal pres—
sure×3.5％
|
Nomin
SUl．e×
|
|
Remarks： Minimum operating pressures for piston rod symbols X精品久久久无码中文字幕一丶，Y and Z CC譬espond
t0 1．6第一福利在线观看，1．33 and l．2 times婷婷丁香五月天欧美中文，respectively，of minimum operating pres美国操逼网站；1lre
when the pressure is supplied from the head end．
Table 9．Shapes of packings
|
Shape of
packing
|
V
packing
|
L(J)
packing
|
U∞
packing
|
X
rmg
|
O
rmg
|
-
．C．ombin兩d
seal
|
Piston
rmg
|
|
Symb01
|
V
|
L
|
U
|
X
|
O
|
S·
|
P
|
Others
E
Remarks l．0-rings shall be in accordance男女猛烈无摭挡免费视频、Jl，ith JIS B 2401 and V-packings sh fil be in
accordance with JIS B 2403．
2．
The combined seal means the packing which is formed by the com!dnation
of sliding rings of ethylene tetrafluoride resin or the like with rubt er
0一rings or the like．
10
B 8354．1992
5．2—Dura—bility When tested in accordance with l0．2．2呦女网址，there shall be no
loosenin9亚洲色偷精品一区二区三区粗大猛，permanent deformation and abnormal wearin9，and for the cylinder
with cushionin9国产精品va视频，the cushioning shall operate normally．
For the cylinder with switch不卡的av网站，the switch shall not cause erroneous actions．
5．3
n0
Pressure resistance When tested{n accordance
loosenin9亚洲女同另类，permanent deformation and breakages on
with l0．2．3，there shall be
parts．
5．4．1—External 0—il leakage The external oil leakage97偷自拍亚洲综合，when tested in accordance
with l0．2．4(1)操逼色图亚洲，shall be expressed by the total amount of the oil leakage from the
wiper part of the rod within l00 m in travelling distance of the piston(see Fi9．
4)．
Further，there shall be no external oil leakage from any place except the
wiper part of the rod．
高清在线观看国产亚洲精品、阮en tested in accordance
amount of internal oil leakage of the cylinder not using
more than the value舒yen in Table l 0。
with l0．2．4(2)免费高清性色毛片A片，the
a piston ring shall be not
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