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Valve material working pressure temperature range
1, working temperature and allowable medium pressure material nominal pressure MPa medium working temperature ℃ <120 <200 <250 <300 <350 <400 <425 <450 <480 <520 <560 <590 <610 <630 HT200 0.6 0.6 0.49 0.44 0.35 1.6 1.6 1.27 1.09 0.98 ZG230-450 1.6 1.6 1.4 1.25 1.1 1.0 0.9 0.7 4.0 4.0 3.7 3.3 3.0 2.8 2.3 1.8 6.4 6.4 5.9 5.2 4.7 4.1 3.7 2.9 ZG1Cr18Ni9TiZG1Cr18Ni12Mo2Ti 0.6 0.6 0.56 0.5 0.45 0.4 0.36 0.32 0.28 0.25 1.6 1.6 1.4 1.25 1.1 1.0 0.9 0.8 0.7 0.64 4.0 4.0 3.6 3.2 2.8 2.5 2.2 2.0 1.8 1.6 6.4 6.4 5.6 5.0 4.5 4.0 3.6 3.2 2.8 2.5 2. Operating Temperature of Main Parts Material Temperature Range ℃ Remarks HT200 -20 to 200 QT400-18QT400-15 -30 ~ 350 ZG230-450 -40 ~ 450 ZG1Cr18Ni9TiZGOCr18Ni12Mo2Ti -250 ~ 550 2Cr13 -20 ~ 450 1Cr18Ni9 -196 ~ 550 0Cr18Ni12Mo2Ti -196 ~ 600 Polytetrafluoroethylene -40 ~ 200 Carbon fiber -120 ~ 350 Flexible graphite -200 ~ 600 5860 plastic folder 480D551 nylon canvas -40 80 Note: This table is used to limit the temperature of various materials, should be based on the medium temperature range of products, to determine the minimum in the actual selection of the material, the maximum temperature. The minimum operating temperature shall not be lower than the lower limit of the medium temperature range, the maximum operating temperature shall not exceed the upper limit of the medium temperature range. 1, working temperature and allowable medium pressure material nominal pressure MPa medium working temperature ℃ <120 <200 <250 <300 <350 <400 <425 <450 <480 <520 <560 <590 <610 <630 HT200 0.6 0.6 0.49 0.44 0.35 1.6 1.6 1.27 1.09 0.98 ZG230-450 1.6 1.6 1.4 1.25 1.1 1.0 0.9 0.7 4.0 4.0 3.7 3.3 3.0 2.8 2.3 1.8 6.4 6.4 5.9 5.2 4.7 4.1 3.7 2.9 ZG1Cr18Ni9TiZG1Cr18Ni12Mo2Ti 0.6 0.6 0.56 0.5 0.45 0.4 0.36 0.32 0.28 0.25 1.6 1.6 1.4 1.25 1.1 1.0 0.9 0.8 0.7 0.64 4.0 4.0 3.6 3.2 2.8 2.5 2.2 2.0 1.8 1.6 6.4 6.4 5.6 5.0 4.5 4.0 3.6 3.2 2.8 2.5 Nominal pressure of material MPa Working temperature of medium ℃ <120 <200 <250 <300 <350 <400 <425 <450 <480 <520 <560 <590 <610 <630 HT200 0.6 0.6 0.49 0.44 0.35 1.6 1.6 1.27 1.09 0.98 ZG230-450 1.6 1.6 1.4 1.25 1.1 1.0 0.9 0.7 4.0 4.0 3.7 3.3 3.0 2.8 2.3 1.8 6.4 6.4 5.9 5.2 4.7 4.1 3.7 2.9 ZG1Cr18Ni9TiZG1 Cr18Ni12Mo2Ti 0.6 0.6 0.56 0.5 0.45 0.4 0.36 0.32 0.28 0.25 1.6 1.6 1.4 1.25 1.1 1.0 0.9 0.8 0.7 0.64 4.0 4.0 3.6 3.2 2.8 2.5 2.2 2.0 1.8 1.6 6.4 6.4 5.6 5.0 4.5 4.0 3.6 3.2 2.8 2.5 2. Main Components Material Temperature Range Material Temperature Range ℃ Remarks HT200 -20 ~ 200 QT400-18QT400-15 -30 ~ 350 ZG230-450 -40 ~ 450 ZG1Cr18Ni9TiZGOCr18Ni12Mo2Ti -250 ~ 550 2Cr13 -20 ~ 450 1Cr18Ni9 -196 ~ 550 0Cr18Ni12Mo2Ti -196 ~ 600 Polytetrafluoroethylene -40 ~ 200 Carbon fiber -120 ~ 350 Flexible graphite -200 ~ 600 5860 Plastic clip 480D551 Polyamide canvas -40 ~ 80 Material temperature range ℃ Remarks HT200 -20 ~ 200 QT400-18QT400-15 -30 ~ 350 ZG230-450 -40 ~ 450 ZG1Cr18Ni9TiZGOCr18Ni12Mo2Ti -250 ~ 550 2Cr13 -20 ~ 450 1Cr18Ni9 -196 ~ 550 0Cr18Ni12Mo2Ti -196 ~ 600 Polytetrafluoroethylene -40 ~ 200 Carbon fiber -120 ~ 350 Flexible graphite -200 ~ 600 5860 Plastic clip 480D551 Nylon canvas -40 ~ 80 Note: The table for a variety of materials, the use of the temperature limit, in the actual selection should be based on the product of the media temperature range, Lowest given material, the maximum temperature. The minimum operating temperature shall not be lower than the lower limit of the medium temperature range, the maximum operating temperature shall not exceed the upper limit of the medium temperature range.