DIAPHRAGM SEAL WITH THREADED CONNECTION MODEL 990.10 is designed to protect pressure instruments from harsh process media.
It isolates the measuring instrument from corrosive, viscous, or high-temperature fluids.
The diaphragm seal ensures accurate pressure transmission without direct media contact.
It is widely used with pressure gauges, pressure switches, and transmitters.
Threaded process connections allow easy installation in industrial piping systems.
The model is suitable for chemical, pharmaceutical, food, and oil industries.
Stainless steel construction provides excellent corrosion resistance and long service life.
The diaphragm is highly sensitive for reliable and precise pressure measurement.
It helps prevent clogging and damage caused by contaminated process fluids.
The compact and robust design supports operation in demanding environments.
Various threaded connection sizes are available to match application requirements.
The diaphragm seal can withstand high pressure and temperature conditions.
It reduces maintenance costs by protecting the pressure measuring instrument.
The unit is designed for leak-proof and safe industrial operation.
DIAPHRAGM SEAL WITH THREADED CONNECTION MODEL 990.10 is an efficient solution for reliable pressure measurement in critical processes.
The WIKA Model 990.10 threaded diaphragm seal protects pressure instruments from aggressive, hot, corrosive, or toxic media in process industries. It features a robust, threaded design with an internal diaphragm, supporting pressure ranges up to 250 bar. The lower body is replaceable, allowing versatile connection options
Connection Size ½ inch
Connection Type Screwed
Diaphragm Material SS316L
Material Stainless Steel
Body Material SS316
Pressure Rating 100 bar
Fill Fluid Silicone Oil
Suitable Pressure Ranges WIKA MAKE DIAPHRAGM SEALED SS PRESSURE GAUGE, 4“ DIAL
Usage/Application Industrial
Size 4“ DIAL
Model Number: 990.10 diaphragm seal with threaded connection.
Process Connection: 1/2“ BSP / NPT threaded connection standard.
Wetted Parts Material: SS316 stainless steel diaphragm and body.
Pressure Range: Vacuum to 600 bar operating range.
Diaphragm Type: Flush welded diaphragm for accurate pressure transfer.
Filling Fluid: Silicone oil or food-grade fill fluid options.
Operating Temperature: -20°C to 200°C depending on fill fluid.
Instrument Connection: Direct mounting for pressure gauges and transmitters.
Surface Finish: Hygienic polished finish for industrial process applications.
Application Compatibility: Suitable for corrosive, viscous, crystallizing, and high-temperature media.
