| Seat Material |
Maximum Temperature* |
|
Maximum Operating Inlet Pressure |
| Tefzel® |
up to 175° F (up to 80° C) |
@ |
3600 psig (24.82 MPa) |
| 176° F to 300° F (80° C to 148° C) |
@ |
1000 psig (6.90 MPa) |
| 301° F to 380° F (148° C to 193° C) |
@ |
400 psig (2.76 MPa) |
| High Density Teflon® |
up to 175° F (up to 80° C) |
@ |
3600 psig (24.82 MPa) |
| 176° F to 300° F (80° C to 148° C) |
@ |
1000 psig (6.90 MPa) |
| 301° F to 380° F (148° C to 193° C) |
@ |
400 psig (2.76 MPa) |
| CF Teflon® |
up to 175° F (up to 80° C) |
@ |
3600 psig (24.82 MPa) |
| 176° F to 300° F (80° C to 148° C) |
@ |
1000 psig (6.90 MPa) |
| 301° F to 380° F (148° C to 193° C) |
@ |
400 psig (2.76 MPa) |
| PCTFE |
up to 175° F (up to 80° C) |
@ |
3600 psig (24.82 MPa) |
| Polyimide |
up to 380° F (up to 193° C) |
@ |
3600 psig (24.82 MPa) |
| PEEK |
up to 380° F (up to 193° C) |
@ |
3600 psig (24.82 MPa) |
* Temperatures in excess of 175° F (80° C) require the use of a metal knob or the Tamper Proof option
