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7/32" Cross Section

Symmetrical Seals - 8400 Series - HRU

HRU and 8400 Series u-cups are symmetrical lip seals for use in either rod or piston sealing applications. The thin, flexible lip design reacts to low pressure and provides an extremely smooth, steady movement with less break away force required because of the inherent low friction. The HRU - 8400 style utilizes a beveled lip, ideal for wiping fluid film. Style HRU - 8400 u-seals are precision molded from 80 Durometer Buna-N rubber or FKM. While the HRU - 8400 U-cups are primarily designed for pneumatic applications, they can also be used in low to medium pressure hydraulic applications. The pressure range of the u-cups may be extended by incorporating an back-up ring.

*Fluorocarbon - FKM products end with a "V" all others are Buna-N 80 Durometer.





Image Model+ Item Name Qty. Price Quantity Discounts
HRU21-2.50-21 Homogeneous U-Seals HRU21-2.50-21

HRU21-2.50-21 Homogeneous U-Seals

2-1/2" ID X 2-15/16" OD X 7/32" HT Homogenous U-cups (block vees) are a non-loaded, single material U-cup. The HRU seal is popular in...
0
$4.09

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Quantity Discounts
1-11$4.09
12-73$3.272
74+$2.454
HRU21-2.50-21V Homogeneous U-Seals HRU21-2.50-21V

HRU21-2.50-21V Homogeneous U-Seals

2-1/2" ID X 2-15/16" OD X 7/32 HT Fluorocarbon FKM Homogenous U-cups (block vees) are a non-loaded, single material U-cup. The HRU seal is...
0
$21.75

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Quantity Discounts
1-2$21.75
3-13$17.40
14+$13.05
HRU21-2.56-21 Homogeneous U-Seals HRU21-2.56-21

HRU21-2.56-21 Homogeneous U-Seals

2-9/16" ID X 3" OD X 7/32 HT Homogenous U-cups (block vees) are a non-loaded, single material U-cup. The HRU seal is popular in low...
16
$4.30

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Quantity Discounts
1-10$4.30
11-69$3.44
70+$2.58
HRU21-2.75-21 Homogeneous U-Seals HRU21-2.75-21

HRU21-2.75-21 Homogeneous U-Seals

2-3/4" ID X 3-3/16" OD X 7/32" HT Homogenous U-cups (block vees) are a non-loaded, single material U-cup. The HRU seal is popular in...
0
$4.74

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Quantity Discounts
1-9$4.74
10-63$3.792
64+$2.844
HRU21-2.81-21 Homogeneous U-Seals HRU21-2.81-21

HRU21-2.81-21 Homogeneous U-Seals

2-13/16" ID X 3-1/4" OD X 7/32" HT Homogenous U-cups (block vees) are a non-loaded, single material U-cup. The HRU seal is popular in...
0
$4.98

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Quantity Discounts
1-9$4.98
10-60$3.984
61+$2.988
HRU21-2.81-21V Homogeneous U-Seals HRU21-2.81-21V

HRU21-2.81-21V Homogeneous U-Seals

2-13/16" ID X 2-1/4" OD X 7/32" HT Fluorocarbon FKM Homogenous U-cups (block vees) are a non-loaded, single material U-cup. The HRU...
0
$22.62

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Quantity Discounts
1-2$22.62
3-13$18.096
14+$13.572
HRU21-3.00-21 Homogeneous U-Seals HRU21-3.00-21

HRU21-3.00-21 Homogeneous U-Seals

3" ID X 3-7/16" OD X 7/32" HT Homogenous U-cups (block vees) are a non-loaded, single material U-cup. The HRU seal is popular in low...
0
$6.08

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Quantity Discounts
1-7$6.08
8-49$4.864
50+$3.648
HRU21-3.00-21V Homogeneous U-Seals HRU21-3.00-21V

HRU21-3.00-21V Homogeneous U-Seals

3" ID X 3-7/16" OD X 7/32" HT Fluorocarbon FKM Homogenous U-cups (block vees) are a non-loaded, single material U-cup. The HRU seal is...
0
$24.34

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Quantity Discounts
1$24.34
2-12$19.472
13+$14.604
HRU21-3.06-21 Homogeneous U-Seals HRU21-3.06-21

HRU21-3.06-21 Homogeneous U-Seals

3-1/16" ID X 3-1/2" OD X 7/32" HT Homogenous U-cups (block vees) are a non-loaded, single material U-cup. The HRU seal is popular in...
0
$6.96

Add:

Quantity Discounts
1-6$6.96
7-43$5.568
44+$4.176
HRU21-3.31-21 Homogeneous U-Seals HRU21-3.31-21

HRU21-3.31-21 Homogeneous U-Seals

3-5/16" ID X 3-3/4" OD X 7/32" HT Homogenous U-cups (block vees) are a non-loaded, single material U-cup. The HRU seal is popular in...
0
$7.67

Add:

Quantity Discounts
1-6$7.67
7-39$6.136
40+$4.602