HW-4000 90A Urethane Wiper Ring | 4 in ID 4 1/2 in OD
View Related Items
Designed to have interference in the seal housing groove and has a secondary lip. The secondary sealing lip located behind the primary sealing lip improves stability of the seal in the gland.
The inner dynamic lip is shorter and more robust to improve sealing and compression set characteristics over conventional, symmetrical U-seals.
The seal can be considered for use in heavy-duty applications when used with a suitable full depth back-up ring. The sealing lips are precision trimmed at an angle to give optimal rod sealing performance.
WR-NYL-4.25 X 1/2 X 1/8-C/S
BR-BTFE-4×0.235
HW-4000 90A Urethane Wiper Ring | 4 in ID 4 1/2 in OD
Suffix “V” designates fluorocarbon material,“N” designates nitrile material, and “HT” designates high temperature urethane.
90A Durometer | Urethane Material | 4 in Nominal Inner Diameter
Features
- Urethane Wiper Ring
- Min. Temperature Range of ‘-40 °F; N: -40°; V: -20 °F; HT: -40 °F
- Max. Temperature Range of 200 °F; N: 225 °F; V: 350 °F; HT: 225 °F
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Item Specifications
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90A
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0.281 Inch
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+0.005, +0.000
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4.495 Inch
-
+0.003, +0.000
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Urethane
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200 °F
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N: 225 °F
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V: 350 °F
-
HT: 225 °F
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-40 °F
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N: -40°
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V: -20 °F
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HT: -40 °F
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0.275 Inch
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4 Inch
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4 1/2 Inch
-
0.351 Inch
-
4 Inch
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+0.000, -0.003
-
HW
-
5 Years
-
3 ft/sec
-
HW
-
0.275 Inch
-
4.135 Inch
-
+0.003, +0.000
-
inch
-
0.03 lbs per EA
View Related Items
Designed to have interference in the seal housing groove and has a secondary lip. The secondary sealing lip located behind the primary sealing lip improves stability of the seal in the gland.
The inner dynamic lip is shorter and more robust to improve sealing and compression set characteristics over conventional, symmetrical U-seals.
The seal can be considered for use in heavy-duty applications when used with a suitable full depth back-up ring. The sealing lips are precision trimmed at an angle to give optimal rod sealing performance.
WR-NYL-4.25 X 1/2 X 1/8-C/S
BR-BTFE-4×0.235
