Diaphragm Seals
990.16 Flanged Connection Diaphragm Seal
With the WIKA 990.16 diaphragm seal, high nominal pressures of PN 400 / class 2.500 can be realised. Due to its design, with an internal diaphragm, accurate measurements are possible even with small flange connections. Through optionally available flushing connections, the process side of the flange can be cleaned and flushed as required.
| Standard version | - |
|---|---|
| Level of cleanliness of wetted parts | Oil and grease free per ASTM G93-03 level F WIKA standard (< 1,000 mg/m²) |
| Sealing | FPM, max. 200°C, PTFE, max. 260°C |
| Connection to the measuring instrument | Axial adapter |
| Type of mounting | Direct mounting |
| Retainer parts | Stainless steel |
| Vacuum service | Basic service |
With the WIKA 990.16 diaphragm seal, high nominal pressures of PN 400 / class 2.500 can be realised. Due to its design, with an internal diaphragm, accurate measurements are possible even with small flange connections. Through optionally available flushing connections, the process side of the flange can be cleaned and flushed as required.
Mounting of the diaphragm seal to the measuring instrument may be made via a direct connection, for high temperatures via a cooling element or via a flexible capillary.
For the material selection, WIKA offers a variety of solutions, in which the upper body of the diaphragm seal and the wetted parts can be made of identical or different materials. The wetted parts can, as an alternative, be coated.
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Bart de Haan
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