Light Load U-Cup Seal with Beveled Lip (8400) | Parker NA

Light Load U-Cup Seal with Beveled Lip (8400) | Product Series

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Light Load U-Cup Seal with Beveled Lip (8400)

Light Load U-Cup Seal with Beveled Lip (8400)

Puntos de venta

Light load symmetrical U-cup with knife-trimmed beveled ID & OD lip for rod and piston sealing applications.

Especificaciones técnicas

  • Ancho de la ranura: 0.062 to 0.500 inch
  • Presión de trabajo máxima: 2000 psi - Oil, 250 psi - Air
  • Temperatura mínima de funcionamiento: -65 °F
  • Temperatura máxima de funcionamiento: 400 °F
  • Para tipo de fluido: Air, Oil, Broad Range, Water, Steam, Oil, Fuel, Low Temp Water, Drilling Mud, Water Glycol, Bases, Acids, Skydrol
  • Color: Black
  • Durómetro: 80 to 90 Shore A
  • Tipo de aplicación térmica: Low Temperature (< -30°F), Standard Temperature (-30 to 250°F), High Temperature (260 to 400°F), Expanded Low and High Temperature (< -30°F, > 250°F)
  • Opciones de material de polímero: Nitrile Butadiene Rubber (NBR, XNBR), Fluorocarbon Rubber (FKM, FPM), Ethylene Propylene Rubber (EPM, EPR, EPDM)
  • Cumplimiento con especificaciones: None
  • Medio: Multiple
  • Unidad de medida: Length: inch
  • Rango de presión: Hydraulic to 2000 psi
  • Velocidad de corte máxima: 0.5 m/sec, 1 m/sec
  • Tipo de junta: Light Load Symmetrical U-cup with Beveled Cut ID and OD Lip Style
Safety Warning

Descripción completa del producto

**Availability: A sampling of Parker’s part numbers are shown in the configurator above for select materials and sizes. If the material and dimensions required are not shown, assistance with part number configuration may be found in the literature documents in the Product Support tab. To check current tooling, review the Part Number Look-up document. Contact Parker for requirements outside typical ranges.

Parker's 8400 Profile U-cup is a light load, symmetrical lip seal 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 8400 style utilizes a beveled lip, ideal for wiping fluid film. Available in a variety of elastomer compounds to cover a wide range of applications. The 8400 U seal is primarily designed for pneumatic applications to 250 psi, however, it can also be used in low to medium pressure hydraulic applications. The pressure range of the U ring seal may be extended by incorporating an 8700 Series anti-extrusion back-up.

Standard Materials:
• N4180A80 NBR; Temp -40 / +250F; Pressure* 1,250 psi hydraulic (250 psi pneumatic); Surface speed** <1.6 ft/s
• N4274A85 XNBR; Temp -10 / +250F; Pressure* 1,750 psi hydraulic (250 psi pneumatic); Surface speed** <1.6 ft/s
• V4208A90 FKM; Temp -5 / +400F; Pressure* 2,000 psi hydraulic (250 psi pneumatic); Surface speed** <1.6 ft/s
• E4259A80 EPDM; Temp -65 / +300F; Pressure* 1,250 psi hydraulic (250 psi pneumatic); Surface speed** <1.6 ft/s

*Pressure range shown is for systems without wear rings. If used with wear rings, consult Engineering Section (Section2) of Parker’s Fluid Power Seal Design Guide, Catalog EPS5370.

**Surface speed for pneumatic applications <3.3 ft/s

Alternate Materials: For applications that may require an alternate material, please contact your Parker EPS representative.

Typical applications:
• Dynamic sealing of hydraulic & pneumatic cylinders and equipment components

Documentos relacionados

Literature and Reference Materials
Fluid Power Seal Design Guide--EPS 5370
Performance Sealing Products for Hydraulic Fluid Power Equipment- EPS 5371
8400 and 8500 Symmetrical U-cup Seals
Installation Techniques for Linear Fluid Power Seals
Installation Techniques for Linear Fluid Power Seals
Part Number Look-Up
Training
Basic Sealing Technology-Linear Sealing
Sealing Technology Glossary of Basic Terminology
Contact & Support Information
Design Action Request--DAR
Frequently Asked Questions
Compliance, Certifications & Safety
EPS Division, Nacogdoches, ISO 9001 AS9100D AS9104/1
EPS Division, SLC, IATF 16949:2016
EPS Division, SLC, ISO 9001:2015 and AS9100D in Accordance With AS9104/1
Seal Storage and Handling Guide - Linear Fluid Power Seals
Shelf Life for Elastomeric Seals
Product Demos & Tutorials
EPS-Tech-Tip-Typical Sealing Systems in Common Linear Fluid Power Devices
How They Work - Lip Shape Effects on Linear Seal Profiles
Selector Guides
Piston Seal Decision Tree
Rod and Buffer Seal Decision Tree
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