U-Packing

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VALQUA No.
4060-UP
Product name
Custom-Made Fluororubber Molded Product
Shape
U-PK symmetrical round lip
U-PK symmetrical round lip
Features1
For pneumatic use, for low pressure use
Features2
Common application for rod seals and piston seals
Features3
Low resistance
Inventory status
Products that are made based on the orders received

Standard size
 
Type
Lip

Application classification
Common use
Pressure classification
Pneumatic
Standard material

none

Non-standard quality of material (adaptable material)
Usage location Material name Material No.
Main part FKM D0380

Sealing direction
Flat surface Cylinder Cylindrical piston Cylindrical rod
- -
Size
There is a design criteria for cross-sections.
Actual: φ

■ Product content and main applications

Product content
A fluororubber material is molded into a ring shape with a U, J and L-shaped cross section.
Main applications
It is used as a seal for hydraulic machinery that requires heat, acid and solvent resistance.

■ Service temperature range

Rubber material Service temperature range
FKM -10℃ ~ 150℃

■ Operating pressure, pressure direction and pressure types

Pressure Pressure (with back-up ring) Pressure direction
~1MPa Basically not used One-side pressure
-

Pressure types
shock, surge, pulse, vacuum
They can all be accommodated

■ Motions and strokes applied

For fixing -
Reciprocating
Rotating ×~△
Helical
Opening and shutting ×
Sliding ×
Oscillating -
Stroking
Stroking is not specified; however, a short stroke could cause a lack of lubrication.

■ Fluid, speed and PV value

Liquid
Gas
Fine particle ×
General dust -
Oil film -
Speed
0.7m/sec or less
PV Value
-

Lubrication, mountability, sliding resistance, compression resistance, eccentricity/inclination, conformance

Lubrication
Needed
Mountability
Good
Sliding resistance
and compression resistance
Low
Eccentricity/inclination
and conformance
High


■ Cross-section dimensions and design precautions

・Cross-section dimensions

1.9W


・Design precautions

A symmetric type is rarely used.
Should be directed toward an asymmetric type (UPP/UPR)

■ Case examples of defects and countermeasures

■ FAQ


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