Customization: | Available |
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Structure: | Single End |
Pressure: | Medium Pressure Mechanical Seals |
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Parameter
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Description
|
Value
|
Material Type
|
Silicon Carbide (SiC) Grade
|
High-Purity Sintered SiC
|
Hardness
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According to the Rockwell hardness scale
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HRA 92 - 94
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Density
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Mass per unit volume
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3.1 - 3.2 g/cm³
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Tensile Strength
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Maximum stress before fracture
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≥450 MPa
|
Flexural Strength
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Resistance to bending
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≥600 MPa
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Compressive Strength
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Resistance to compression
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≥3000 MPa
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Elastic Modulus
|
Measure of stiffness
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410 - 450 GPa
|
Poisson's Ratio
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Ratio of transverse strain to axial strain
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0.16 - 0.18
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Porosity
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Percentage of void space in the material
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≤0.2%
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Surface Roughness
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Ra value for sealing surface
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0.05 - 0.1 μm
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Flatness
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Deviation from a perfectly flat surface
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≤0.5 μm over the sealing face
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Outer Diameter
|
Standard size range for the ring
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10 - 150 mm
|
Inner Diameter
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Standard size range for the ring
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5 - 145 mm
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Thickness
|
Standard size range for the ring
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3 - 15 mm
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Operating Temperature Range
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Minimum and maximum temperatures
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-40°C - 250°C
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Maximum Operating Pressure
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Pressure limit for normal operation
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5 MPa
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Chemical Resistance
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Resistance to common chemicals
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Excellent resistance to acids, alkalis, and organic solvents
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Wear Resistance
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Mass loss under specified conditions
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≤0.002 mg/km under 0.5 MPa load and 1 m/s sliding speed
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Thermal Conductivity
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Rate of heat transfer
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120 - 150 W/(m·K)
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Friction Coefficient
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Against common mating materials
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0.1 - 0.2 (against carbon graphite)
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Surface Finish
|
Microscopic texture of the surface
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Mirror-like finish for optimal sealing
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Dimensional Tolerance - Outer Diameter
|
Allowable deviation from nominal size
|
±0.02 mm
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Dimensional Tolerance - Inner Diameter
|
Allowable deviation from nominal size
|
±0.02 mm
|
Dimensional Tolerance - Thickness
|
Allowable deviation from nominal size
|
±0.01 mm
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Pressure Rating for Static Seals
|
Pressure limit for static applications
|
8 MPa
|
Pressure Rating for Dynamic Seals
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Pressure limit for dynamic applications
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5 MPa
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Linear Speed Limit
|
Maximum rotational speed for dynamic use
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20 m/s
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Wettability
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Affinity for common fluids
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Hydrophobic for water-based fluids, compatible with most non-polar fluids
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Impact Resistance
|
Energy absorption capacity
|
15 - 20 J/cm²
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Corrosion Resistance
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Resistance to environmental degradation
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Negligible corrosion rate in most industrial environments
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Load-Bearing Capacity
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Maximum load the ring can support
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100 N/mm²
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Lubrication Requirement
|
Necessity of lubrication
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Can operate with minimal lubrication, self-lubricating to some extent
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Compatibility with Mating Materials
|
Suitable materials for pairing
|
Carbon graphite, stainless steel, other ceramics
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Q1: Are you a trading company or a factory?
We are a factory, so we can offer you factory prices with high quality.
Q2: Can I get samples?
Yes. You can ask for samples. Usually it's free, but you need to pay for shipping.
Q3: Can l use my own logo or design on the goods?
Yes, we provide OEM/ODMservices; your logo and design can be printed on the products.
Q4: What are your payment terms?
We accept T/T, Paypal, Western Union, and credit card payment is also welcome.
Q5: How about the delivery time?
For stock items, we can ship immediately after receiving the payment.
For other products, we need 14-25 days for mass production, which depends on the quantity and type of order.
Q6: How can we ensure the quality?
Pre-production samples are required before mass production;Final inspection is required before shipment;
Q7: 1 can't find our products in your catalog, can you customize the products for us?
Yes, customized products are available, OEM is welcome.
Q8: Can l buy pumps or pump parts from your company?
Yes, we also provide pumps and pump parts.