Diaphragm Seal - Flanged Offline Welded Diaphragm Seals
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FLANGED OFFLINE WELDED DIAPHRAGM SEALS
Flanged Offline Welded Diaphragm Seals are designed with an upper and lower housing, bolted together with a diaphragm welded to the upper housing. This removable design allows for easy cleanout of the seal chamber, while maintaining the system fill. The flanged offline diaphragm seal can be adapted to fit almost any pressure instrument and process application.
- Welded Diaphragm for Maximum Durability
- Wide Variety of Diaphragm and Material Options
- Continuous-duty Disc Protects from Process Fluid Leaking in the Event of a System Breach
- Easy Cleanout of Diaphragm Cavity without Compromising Filled System
Specifications
Construction Materials
Diaphragm (Wetted): 316/316L SS, Hast C-276, Tantalum, Monel A400, Nickel 201, or Others Lower Housing (Wetted): 316/316L SS, Hast C-276, Monel A400, Alloy 20, Hast B, or Others Gasket (Wetted): Klinger C-4401, PTFE Durlon 9600, Grafoil, Kalrez, or Virgin PTFE Upper Housing (Non-wetted): 316/316L SS, 304/304L SS, Monel A400, or Titanium
Process Temperature Limits
| HousingType | |||
| 2 | 3 | ||
| Metallic Lower | PTFE Gasket | -110/400ºF | |
| Klinger Gasket | -110/500ºF | ||
| Grafoil Gasket | -40/750ºF | ||
| Non-Metallic Lower | N/A | 140ºF | |
Ambient Temperature Limits
Determined by the Pressure Instrument
Minimum Recommended Pressure Ranges
| W5 | W6 | |
| 2.5” & 3.5” Gauges | 15 psi | 200” H2O |
| 4”, 4.5”, & 6” Gauges | 30 psi | 200” H2O |
| Transmitter (Gauge Pressure) | 150” H2O | 60” H2O |
| Transmitter (Differential Pressure) | 300” H2Od | 60” H2Od |
| Differential Pressure Gauge(D40/42 Only) | N/A | N/A |
Maximum Working Pressure
Determined by flange.
Data Sheet
Download Flanged Offline Welded Seals Datasheet
Installation Instructions
Download Installation Instructions: