Solutions de système de flux en céramique
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Solutions de système de flux en céramique
Spécification technologique:
Taper | |
Taille | Upon customers’ request |
Note de pression | Upon customers’ request |
Matériau de la veste | Upon customers’ request |
Matériau de doublure | Céramique ZrO2, Céramiques Al2O3, PN25, Si3N4, Solid SiC |
Terminer la connexion | Up on customers’ request |
Applications typiques:
In many pipelines and flow control systems, if end users have abrasion or corrosion problems, which will reduce service time of equipment. en outre, unexpected downtime is a great loss for end user. In these cases, introducing ceramics material is a wise choice to solve these problems.
Our material range includes 95% type de chapeau pour les basses pressions nominales et chapeau à joint de pression, 99% type de chapeau pour les basses pressions nominales et chapeau à joint de pression, 99.7% type de chapeau pour les basses pressions nominales et chapeau à joint de pression,
ZrO2 ceramics, Solid Silicon carbide, Solid Tungsten carbide, Silicon Nitride, etc. Every material has
its unique physical properties and chemical resistance. These advanced ceramic materials can be
processed into different kinds of complex shapes to replace parts that have been damaged.
Fuvalve has rich experience in many severe applications and can provide professional ceramic flow
system solutions for specific applications which need urgent solutions.
Fiche technique des céramiques techniques
Propriété | Unités | Matériel | ||||
99.5% alumine | 99% alumine | 95% alumine | ZrO2 (Y-TZP) | ZrO2 (TTZ) | ||
Densité | g/cm3 | ≥3,85 | ≥3,80 | ≥3,60 | ≥5,95 | ≥5,72 |
Absorption de l'eau | % | 0 | 0 | 0 | 0 | 0 |
Dureté | HT | 1700 | 1700 | 1500 | 1300 | 900 |
Résistance à la flexion | MPa | ≥379 | ≥338 | ≥320 | ≥1200 | ≥1200 |
Résistance à la compression | MPa | ≥2240 | ≥2240 | ≥2000 | ≥1990 | 1750 |
Résistance à la rupture | Mpa m1/2 | 4-5 | 4-5 | 3-4 | 6.5-8 | 11 |
Max.. service température | 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 |
Choc thermique | T(ºC) | ≥250 | ≥200 | ≥220 | ≥300 | 350 |
Conductivité thermique(25ºC) | W/m.k | 30 | 29 | 24 | 3 | 3 |
Résistivité volumique | 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 | |
Force d'isolation | KV/mm | 19 | 18 | 18 | 17 | 20 |
Constante diélectrique(1MHz) | (E) | 9.7 | 9.5 | 9.5 | 29 | 28 |