41
style dsu heavy duty symmetrical u-seals Used interchangeably for piston or rod sealing, these u-seals employ the same tough urethane material found in our Heavy Duty Rod and Piston U-Seals. HERCULES PART NUMBERS DSU 12 - 0.18 - 12 Type of Seal
Cross Section
Inside Diameter
SEAL INFORMATION MATERIAL
92a urethane
TEMPERATURE RANGE
-40째 to +230째 f
PRESSURE RANGE
0 to 4,000 psi
SPEED
3 FT/SEC
Height
u-seals
A Nom. ID
B Nom. OD
C Nom. Ht
DSU12-0.18-12
3/16
7/16
1/8
0.156
+0.015/0
0.188
+0/-0.002
0.189
+0.003/0
0.438
+0.004/0
0.188
+0/-0.004
0.437
+0/-0.003
0.438
+0.003/0
$ 6.34
DSU12-0.18-25
3/16
7/16
1/4
0.281
+0.015/0
0.188
+0/-0.002
0.189
+0.003/0
0.438
+0.004/0
0.188
+0/-0.004
0.437
+0/-0.003
0.438
+0.003/0
6.34
DSU12-0.25-18
1/4
1/2
3/16
0.218
+0.015/0
0.250
+0/-0.002
0.251
+0.003/0
0.500
+0.004/0
0.250
+0/-0.004
0.499
+0/-0.003
0.500
+0.003/0
6.10
DSU12-0.31-25
5/16
9/16
1/4
0.281
+0.015/0
0.312
+0/-0.002
0.313
+0.003/0
0.562
+0.004/0
0.281
+0/-0.004
0.561
+0/-0.003
0.562
+0.003/0
7.69
DSU12-0.37-12
3/8
5/8
1/8
0.156
+0.015/0
0.375
+0/-0.002
0.376
+0.003/0
0.625
+0.004/0
0.375
+0/-0.004
0.624
+0/-0.003
0.625
+0.003/0
6.12
DSU12-0.37-25
3/8
5/8
1/4
0.281
+0.015/0
0.375
+0/-0.002
0.376
+0.003/0
0.625
+0.004/0
0.375
+0/-0.004
0.624
+0/-0.003
0.625
+0.003/0
7.03
Part Number
D GROOVE WIDTH
E ROD DIAMETER
F THROAT DIAMETER
G HOUSING DIAMETER
H GROOVE DIAMETER
I PISTON DIAMETER
J BORE DIAMETER
List Price
1/8" c/s
DSU12-0.50-12
1/2
3/4
1/8
0.156
+0.015/0
0.500
+0/-0.002
0.501
+0.003/0
0.750
+0.004/0
0.500
+0/-0.004
0.749
+0/-0.003
0.750
+0.003/0
6.38
DSU12-0.56-12
9/16
13/16
1/8
0.156
+0.015/0
0.563
+0/-0.002
0.564
+0.003/0
0.813
+0.005/0
0.563
+0/-0.004
0.812
+0/-0.003
0.813
+0.003/0
6.06
DSU12-0.62-12
5/8
7/8
1/8
0.156
+0.015/0
0.625
+0/-0.002
0.626
+0.003/0
0.875
+0.005/0
0.625
+0/-0.004
0.874
+0/-0.003
0.875
+0.003/0
6.79
DSU12-0.62-25
5/8
7/8
1/4
0.281
+0.015/0
0.625
+0/-0.002
0.626
+0.003/0
0.875
+0.005/0
0.625
+0/-0.004
0.874
+0/-0.003
0.875
+0.003/0
6.79
DSU12-0.75-12
3/4
1
1/8
0.156
+0.015/0
0.750
+0/-0.003
0.751
+0.003/0
1.000
+0.005/0
0.750
+0/-0.005
0.999
+0/-0.003
1.000
+0.003/0
7.04
DSU12-0.75-18
3/4
1
3/16
0.218
+0.015/0
0.750
+0/-0.003
0.751
+0.003/0
1.000
+0.005/0
0.750
+0/-0.005
0.999
+0/-0.003
1.000
+0.003/0
7.04
DSU12-0.75-25
3/4
1
1/4
0.281
+0.015/0
0.750
+0/-0.003
0.751
+0.003/0
1.000
+0.005/0
0.750
+0/-0.005
0.999
+0/-0.003
1.000
+0.003/0
7.04
DSU12-0.87-12
7/8
1-1/8
1/8
0.156
+0.015/0
0.875
+0/-0.003
0.876
+0.003/0
1.125
+0.005/0
0.875
+0/-0.005
1.124
+0/-0.003
1.125
+0.003/0
7.31
DSU12-0.87-17
7/8
1-1/8
11/64
0.203
+0.015/0
0.875
+0/-0.003
0.876
+0.003/0
1.125
+0.005/0
0.875
+0/-0.005
1.124
+0/-0.003
1.125
+0.003/0
7.31
North america PHONE 1-800-777-5617 FAX 1-800-759-6391
SALES OFFICE HOURS 8 A.M. TO 8 P.M. Eastern TIME www.HerculesUS.com
WorldWIDE PHONE 1-727-796-1300 FAX 1-727-797-8849