صمامات فحص السيراميك من النوع المتأرجح
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صمامات فحص السيراميك من النوع المتأرجح
تخصيص:
نوع | Ceramic Check Valves |
بحجم | DN50-DN300(1"-12") |
تصنيف الضغط | PN10,PN16,PN25,PN40, PN63, PN100, PN160, CL150, CL300, CL600, CL900 |
مادة الجسم | WCB, CF8, CF8M, CF3M, هاستيلوي, Monel, سبيكة 20, التيتانيوم |
مادة تقليم | سيراميك ZrO2, سيراميك Al2O3, Tungsten Carbide, Si3N4 |
نهاية الاتصال | Flange End, EN1092-1, من عند 2501, ASME B16.5 |
ميزات التصميم:
Ceramics Seated, Swing type check valves
Flange Ends, Socket weld ends, screwed ends, butt weld ends
One piece body
Especially designed for extreme corrosive and abrasive slurry.
Temperature range
Depends on the material used for swing type ceramic check valves, the normal working temperature range is -29~250 degree.
Datasheet of Technical ceramics
Property | Units | Material | ||||
99.5% alumina | 99% alumina | 95% alumina | ZrO2 (Y-TZP) | ZrO2 (TTZ) | ||
Density | g/cm3 | ≥3.85 | ≥3.80 | ≥3.60 | ≥5.95 | ≥5.72 |
Water absorption | % | 0 | 0 | 0 | 0 | 0 |
Hardness | HV | 1700 | 1700 | 1500 | 1300 | 900 |
Flexural strength | الآلام والكروب الذهنية | ≥379 | ≥338 | ≥320 | ≥1200 | ≥1200 |
Compressive strength | الآلام والكروب الذهنية | ≥2240 | ≥2240 | ≥2000 | ≥1990 | 1750 |
Fracture toughness | Mpa m1/2 | 4-5 | 4-5 | 3-4 | 6.5-8 | 11 |
Max. service temperature | ºC | 1675 | 1600 | 1450 | 1000 | |
CTE | 1×10 -6 /ºC | 6.5~8.0 | 6.2~8.0 | 5.0~8.0 | 8.0~9.5 | 10.2 |
Thermal shock | T(ºC) | ≥250 | ≥200 | ≥220 | ≥300 | 350 |
Thermal conductivity(25ºC) | W/m.k | 30 | 29 | 24 | 3 | 3 |
Volume resistivity | ohm.cm | |||||
25ºC | >1 x 10 14 | >1 x 10 14 | >1 x 10 14 | >1 x 10 11 | >1 x 10 11 | |
300ºC | 1 x 10 12 | 8 x 10 11 | 10 12 -10 13 | 1 x 10 10 | 1 x 10 10 | |
500ºC | 5 x 10 10 | 2 x 10 9 | 1 x 10 9 | 1 x 10 6 | 1 x 10 6 | |
Insulation strength | KV/mm | 19 | 18 | 18 | 17 | 20 |
Dielectric constant(1Mhz) | (E) | 9.7 | 9.5 | 9.5 | 29 | 28 |