Information
Metal Face Seals - Selection and Material Specification
Part Number Format
Selection and Material Specification
Ensuring the correct material composition is paramount. Pioneer Weston can work with the customer to analyse application requirements and recommend the most suitable materials.
The main factors in ensuring the correct selection are:
Size, temperature, speed, pressure, media
Metal Face Seals Reference
| Polymer Family | Compound Reference | Colour | Hardness (IRHD) | Temperature Range | Select for.. | Material Designator |
|---|---|---|---|---|---|---|
| Nitrile Rubber (NBR) | N-60-214 | Black | 60 | -35 to +110oC |
General Purpose |
NB |
| N-60-148 | Black | 60 | -60 to +110oC |
Low temperature, with a degree of resistance to lubricants |
LTNB | |
| Fluorocarbon (FKM, A-type) | V-60-190 | Black | 60 | -20 to +200oC |
High temperatures, good lubricant resistance |
FKM |
| Fluorocarbon (FKM, GLT-type) | V-60-181 | Black | 60 | -40 to +200oC | LTF | |
| Silicone (VMQ) | S-60-184 | Black | 60 | -55 to +230oC |
High and very low temperatures |
VMQ |
| Hydrogenated nitrile (HNBR) | H-60-123 | Black | 60 | -40 to +180oC |
Abrasion resistance; high temperatures |
HN |
| Metal Ring Designator | Metal Type | Description |
|---|---|---|
| F | Forged roller bearing steel  |
|
| C | Cast iron |
|
| X | Cast alloy |
|