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Step Seal
　　Axial Step Seal which is unilateralism used for the lining of cylinder seal. It can work when it installed with O-Ring. Feature low friction, without smooth.
Operating limits：
　　　　·Working stress ：≤600bar
　　　　·Temperature：－６０℃－＋２２０℃
　　　　·Speed：≤15m/s
　　　　·Material：PTFE、NBR
　
(mm)
Pole diameter　B/H8
range of recommended diameter
G
+0.15/-0
Slot width
L
consult
AH10
Slot diameter
R
Round semidiameter
O-ring AS/BS
ＥMatched Interval
Light Industry series Standard series Heavy Industry series
Series
Stving diameter
0-200bar
200-400bar
8-18.9 3-7.9 　
2.2
 2.45 A-4.9 0.3-0.5 000 1.78 0.6-0.4 0.4-0.3
19-37.9 8-18.9 　
3.2
 3.65 A-7.3 0.5-0.8 100 2.62 0.8-0.5 0.5-0.3
38-199.9 19-37.9 8-18.9
4.2
 5.35 A-10.7 0.8-1.2 200 3.53 0.8-0.5 0.5-0.4
200-255.9 38-199.9 19-37.9
6.3
 7.55 A-15.1 1.2-1.5 300 5.33 1.0-0.6 0.6-0.4
256-649.9 200-255.9 38-199.9
8.1
 10.25 A-20.5 1.5-2.0 400 7.00 1.0-0.6 0.6-0.5
650-999.9 256-649.9 200-255.9
8.1
 12 A-24.0 1.5-2.0 400 7.00 1.2-1.7 0.8-0.6
　 650-999.9 256-649.9
9.5
 13.65 A-27.3 2.0-3.0 500 8.40 1.4-1.8 1.0-0.7

NO.
Pole diameter　
BH8
Slot diameter
AH10
Slot width
G+0.15-0
O-ring orders No.
NO.
Pole diameter
BH8
Slot diameter
AH10
Slot width
G+0.15-0
O-ring orders No.
S001
4
8.9
2.2
010
S011
14
21.3
3.2
115
S002
5
9.9
2.2
011
S012
14
18.9
2.2
016
S003
6
10.9
2.2
011
S013
15
19.9
2.2
016
S004
7
11.9
2.2
012
S014
15
22.3
3.2
116
S005
8
15.3
3.2
111
S015
16
23.3
3.2
116
S006
8
12.9
2.2
012
S016
16
20.9
2.2
017
S007
10
17.3
3.2
113
S017
18
25.3
3.2
118
S008
10
14.9
2.2
013
S018
18
22.9
2.2
018
S009
12
19.3
3.2
114
S019
20
30.7
4.2
214
S010
12
16.9
2.2
015
S020
20
27.3
3.2
118
Copyright 2004-2008 Guangzhou BEST Rubber CO.LTD
Company ADD: NO. 25-27 Yanling Road Guangzhou City China 　ZIP：510507

TEL:+86-20-61089445 61089440                           FAX:+86-20-61089446

Factory ADD:NO.21,Liangtian Road,Liiangtian Town,Guangzhou City,China   ZIP:510545

TEL:+86-20-37403252 37403262　   FAX:+86-20-37403270 37403280