Model 990.PF

Flanged Plastic Diaphragm Seal

Selected documents
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  • Protect pressure instrument from corrosive, contaminated or viscous media.

Special Features

  • Flanged Process Connection
  • Kel-F Diaphragm
  • Plastic Material Selection


Internal clamped diaphragm with threaded process connection; requires hydraulic fluid to transmit pressure to instrument

Process Connection
1" and 2" / class 150

Instrument Connection
¼"  NPT-female

Suitable Pressure Ranges
(MWP 160 PSI @100°F)
15 PSI to 160 PSI (no vacuum or compound ranges)

Available Options (connections, materials, etc.)
See Selection Guide on data sheet

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