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Pump Seal

Compared with tungsten carbide, silicon carbide has a low density, good corrosion resistance and thermal performance, and low friction coefficient, and has obvious advantages in mechanical sealing materials. One of the most notable excellent properties of silicon carbide materials is their extremely high hardness, which is widely used as a mechanical seal hard ring.

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The silicon carbide matrix is dense. Free silicon and free carbon are extremely rare, so it is widely used in high purity, ultra-clean, fine chemical and other fields.Our company can customize ceramic pump seal of different size and shape according to customer requirement.We can produce structural parts with a maximum outer diameter of 500mm and a maximum length of 800mm. There will be the following structural parts according to the specificity of various materials:

 

      

1.All kinds of mechanical pump seal, such products have been widely used in the sealing industry at home and abroad.

2.Corrosion resistant, wear resistant shaft and plain bearings.

3.Other wear-resistant, corrosion-resistant, high-temperature resistant structural parts.

4.Processing all kinds of special-shaped dynamic sealing ring, static sealing ring.

 

Scope of application: Automobile, bearing, pump, cylinder. Silicon carbide ceramic seal ring are widely used in machinery, metallurgy, petrochemical, electric power, light industry, shipbuilding, aerospace, automotive,military equipment and other fields, such as mechanical seal friction parts, sliding bearings, nozzles, cutting tools, etc.

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Compared with tungsten carbide, silicon carbide has a low density, good corrosion resistance and thermal performance, and low friction coefficient, and has obvious advantages in mechanical sealing materials. One of the most notable excellent properties of silicon carbide materials is their extremely high hardness, which is widely used as a mechanical seal hard ring.


SPECIFICATION

Item

Unit

Data

Max. working temperature

1380

Density

g/cm3

≥3.02

Porosity

%

<0.1

Bending strength

MPa

250(20℃)

Bending strength

MPa

280(1200℃)

Modulus of elasticity

GPa

330(20℃)

Modulus of elasticity

GPa

300(1200℃)

Thermal conductivity

W/m.k

45(1200℃)

Coefficient of thermal expansion

K-1×10-6

4.5

Rigidity


13

Acid alkaline-proof


Excellent


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