V-Packing

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VALQUA No.
4632MV
Product name
MV-Packing
Shape
MV-Packing
MV-Packing
Features1
This is a specialized high-performance composite seal.
Features2
Combining with 2 layers of cloth and synthetic rubber V-packing is the standard.
Features3
Groove for V-packing can be utilized with no change.
Inventory status
Manufacturable product

Standard size
　
Type
Lip

Application classification
For rods
Pressure classification
Oil hydraulic
Standard material
Usage location Material name Material No.
Main part FKM D0390

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

Sealing direction
Flat surface Cylinder Cylindrical piston Cylindrical rod
- - × ○
Size
Subject to catalog or design criteria

■ Product content and main applications

Product content
It is a composite seal combining No.2630 and fluororubber, molded into a ring shape with a U-shaped cross section.
Main applications
It is used as a hydraulic high-performance composite seal for injection molding hydraulic cylinders, hydraulic presses, etc. Groove for V-packing (No.2630, 2631) can be used as it is.

■ Service temperature range

Rubber material Service temperature range
FKM -10℃ ～ 150℃
Click here for the list of rubber materials

■ Operating pressure, pressure direction and pressure types

Pressure Pressure (with back-up ring) Pressure direction
34.3MPa - One-side pressure
-

Pressure types
shock, surge, pulse, vacuum		 -

■ 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
0.1～1.5m/s
PV Value
-

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

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


■ Cross-section dimensions and design precautions

・Cross-section dimensions

5Ｗ


・Design precautions

Acceptable as long as it is designed based on the design criteria

■ Case examples of defects and countermeasures

■ FAQ

‣FAQ about high performance elastomer is here
 ‣FAQ about the elastomer is here

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