V-Packing

no image
VALQUA No.
2630-VNV
Product name
Cloth and Synthetic Rubber V-Packing
Shape
VNF_VNV
VNF_VNV
Features1
For hydraulic use
Features2
Common application for rod seal and piston seal
Inventory status
Manufacturable product

Standard size
・JISB 2403 (航)
Type
Lip

Application classification
For rods
Pressure classification
None
Standard material
Usage location Material name Material No.
Main part Cloth-inserted NBR 2630-2-25

Non-standard quality of material (adaptable material)

Sealing direction
Flat surface Cylinder Cylindrical piston Cylindrical rod
- - ○ ○
Size
Standard: φ6.3 to 1000
Actual: over φ1000

■ Product content and main applications

Product content
Synthetic-rubber-lined cloths are pasted together, then molded into a ring shape with a V-shaped cross section.
Main applications
Mainly used as a sealant for hydraulic machinery.

■ Service temperature range

Rubber material Service temperature range
Cloth-inserted NBR -30℃ ～ 80℃
Click here for the list of rubber materials

■ Operating pressure, pressure direction and pressure types

Pressure Pressure (with back-up ring) Pressure direction
58.8MPa 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
0.1～1.5m/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
Low to mid level


■ 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

戻る