Diaphragm Seal - High Accuracy Flanged Diaphragm Seals
SKU W71F
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HIGH ACCURACY FLANGED DIAPHRAGM SEALS
High Accuracy Flanged Diaphragm Seals are ideal for applications where high sensitivity or large fluid displacement is key to proper instrument performance. Designed with a diaphragm welded to the upper housing, the lower housing is detachable from the seal body allowing for easy cleanout of the process cavity without losing system fill. The High Accuracy Flanged Diaphragm Seal is most commonly mounted to Smart Transmitters (Gauge, Differential, and Absolute pressure), low pressure capsule gauges, mechanical DP gauges, and mechanical pressure switches.
- Extra Large 4.1″ Diaphragm for Maximum Sensitivity
- Wide Variety of Wetted Material Options
- 100% Helium Leak Tested Diaphragm Welds
- Easy Cleanout Design with Multiple Flush Port Options
Specifications
| Diaphragm | 316/316L SS, Hast C-276, Tantalum, Monel A400, Tantalum, or Others |
| Lower Housing | 316/316L SS, Hast C-276, Monel A400, Alloy 20, Hast B, Duplex 2205, or Others |
| Gasket | Klinger C-4401, PTFE Durlon 9600, Grafoil, or Virgin PTFE |
| Upper Housing | 316/316L SS, 304/304L SS, Monel A400 or Titanium |
| Process Temperature Limits | PTFE Gasket: -110/400ºF Klinger Gasket: -110/500ºF Grafoil Gasket: -40/750ºF |
| Ambient Temperature Limits | Determined by the pressure instrument. |
| Minimum Recommended Span | 2.5” & 3.5” Gauges: 30” H2O 4”, 4.5”, & 6” Gauges: 30” H2O Transmitter (Gauge Pressure): 15” H2O Transmitter (Differential Pressure): 15” H2Od Differential Pressure Gauge (D40/42 Only): 100” H2Od |
| Maximum Working Pressure | Determined by flange. |
Data Sheet
Installation Instructions
Download Installation Instructions: