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Pressure–Temperature Ratings by Seat Material
Compare allowable pressure across temperature for our three seat options—TFM 1600, PTFE + 20% PEEK, and PEEK. Open the chart for your seat family, set your operating temperature (and DN if shown), and read the maximum allowable pressure. Always verify the valve body rating as the final limit and include a suitable safety margin.
Configuration
DN
-50°C
20
°C
+280°C
DN 10 Results
100
BAR
≈
1450
PSI
TFM-1600 (PS4/PN4) is a modified PTFE material specifically engineered for high-pressure applications up to 190°C. This material offers excellent chemical resistance and is ideal for aggressive media in pharmaceutical, chemical, and food processing industries. The PS4/PN4 designation indicates its suitability for high-pressure systems with superior sealing performance.
Pressure-Temperature Performance - TFM-1600
DN Limits
Material Limit
Operating Point
Technical Specifications
Standard Rating:
PN100 @ 20°C
Body Material:
316L SS
Seat Material:
TFM-1600
Temperature Range:
-50°C to +190°C
Applicable Size Range
DN 10-20
DN 25-32
DN 40-50
DN 65-80
DN 100-125
DN 150