Diaphragm Seal - Threaded Flush Face Seals
SKU DSTF
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THREADED FLUSH FACE SEALS
Threaded Flush Face Seals are ideal for high and medium pressure applications where process media clogging is a concern. The diaphragm is welded onto the end of the threads allowing for continuous flow of process media across the diaphragm and preventing any build-up of solids. Selection of process connection will greatly impact accuracy and temperature sensitivity.
Specifications
Construction Materials
Body: 316SS, Hast C-276 Diaphragm: 316SS, Hast C-276
Process Temperature Limits
Process Connection | 1/2” | 3/4” | 1” | 1.5” |
Limit | 0/150°F | 20/200°F | -40/400°F | -40/600°F |
Ambient Temperature Limits
Determined by the Pressure Instrument
Minimum Recommended Span
Male Process Thread NPT | 1/2” | 3/4” | 1” | 1.5” | 1.25″ |
2.5” & 3.5” Gauges | 60 psi | 30 psi | 15 psi | 15 psi | 30 psi |
4”, 4.5”, & 6” Gauges | n/a | n/a | 100 psi | 30 psi | 100 psi |
Transmitter (Gauge Pressure) | 60 psi* | 15 psi | 10 psi | 5 psi | 15 psi |
Transmitter (Differential Pressure) | n/a | n/a | n/a | n/a | n/a |
Maximum Working Pressure
Determined by the seal threads.
Data Sheet
Installation Instructions
- Download Installation Instructions: Diaphragm Seal Installation Instructions DSINST-0223 (PDF)