The Model 140FL Welded Diaphragm Seal is a welded diaphragm-to-upper design allowing the upper housing to be removed with the instrument in place without losing fill. Available in threaded connections for pressures from vacuum to 2,500 psi. Fill/ bleed port screw in the upper is standard and a flush ring option is available.
| Diaphragm material | 316SS, Hastelloy C276, Tantalum, Custom (contact factory) |
|---|---|
| Design | Meets/Exceeds ASME B40.100 |
| Flush connection | None, Flush Ring |
| Pressure rating | Vacuum – 2500 psi (based on flange size) |
| Series | 140FL Series |
| Instrument connection | 1/4", 1/2" Female NPT, Custom (contact factory) |
| System fill | Glycerine, Silicone, Syltherm, Halocarbon (Inert), Custom/Other (contact factory) |
| Process connection | Flanged, 1/2" through 3", 150# through 600# |
| Lower housing material | 316SS, Hastelloy C276, Tantalum, Custom (contact factory) |
| Upper housing material | 316SS, Hastelloy C276, Tantalum, Custom (contact factory) |
| Bolts nuts | Carbon Steel, Stainless Steel, other (contact factory) |
