Mechanical seal type P
Type PA21/P1A21/P2A21/P3A21
Design features
- balanced
- independent direction of rotation
- spring outside of product
- easy to clean
- additional wiper prevents sticking together (Type P1A21 / P3A21)
- easy mounting by preassembled unit
- mounting space according to DIN EN 12756
- disengagement prevented (Type PA21 / P2A21)
Operating limits
| Pressure: | up to 25 bar external pressure |
| Temperature: | -50° C to +280° C |
| Speed: | up to 20 m/s |
You can find the values in psi, ° F and FPM on the data sheet.
Materials
| Standard seal face combination: | carbon vs. silicon carbide, carbon vs. tungsten carbide, silicon carbide vs. silicon carbide |
| O-rings: | NBR, FKM, EPDM, FFKM |
| Other parts: | CrNiMo-steel |
