Customization: | Available |
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Structure: | Single End |
Pressure: | Medium Pressure Mechanical Seals |
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Parameter
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Details
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Model
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QT-MG12
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Seal Type
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Single-Ended, Unbalanced
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Size Range
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12 mm - 50 mm
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Operating Pressure
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Maximum: 1.6 MPa (232 psi)
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Operating Temperature
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-40°C to 200°C (-40°F to 392°F)
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Shaft Speed
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Up to 3000 RPM
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Face Material
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Carbon Graphite (Stationary) Silicon Carbide (Rotating)
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Face Flatness
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≤0.0009 μm
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Face Roughness
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Ra ≤0.2 μm (Carbon Graphite) Ra ≤0.4 μm (Silicon Carbide)
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Spring Material
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Stainless Steel 316
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Spring Rate
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5 N/mm
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Spring Quantity
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12 pieces
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O-Ring Material
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HNBR
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O-Ring Hardness
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70 Shore A
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O-Ring Compression Ratio
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15% - 20%
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Seal Chamber Diameter Tolerance
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±0.05 mm
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Shaft Diameter Tolerance
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±0.03 mm
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Axial Runout
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≤0.05 mm
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Radial Runout
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≤0.02 mm
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Installation Torque
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8 - 12 N·m
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Fluid Compatibility
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Water, Oil, Alcohols, Weak Acids and Bases
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Leakage Rate
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≤5 ml/h (at 0.6 MPa pressure)
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Vibration Limit
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≤5.6 mm/s (RMS)
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Maximum Axial Load
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50 N
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Minimum Axial Load
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10 N
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Storage Conditions
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Dry environment, temperature between 0°C - 30°C, humidity ≤60%
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Service Life
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Approximately 8000 - 10000 operating hours under normal conditions
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Weight (approximate)
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0.15 kg (for 20 mm size)
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Assembly Clearance
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0.1 - 0.3 mm
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Disassembly Force
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≤30 N
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Pressure Holding Time
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≥30 minutes at rated pressure
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Corrosion Resistance
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Good resistance to general corrosion in common media
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Chemical Resistance
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Resistant to most organic solvents, except strong oxidants
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Impact Resistance
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Can withstand impact force ≤50 N·m
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Fatigue Life
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≥10^6 cycles under alternating pressure
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Thermal Conductivity (Face Material)
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120 W/(m·K) (Silicon Carbide) 15 W/(m·K) (Carbon Graphite)
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Specific Gravity (Face Material)
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3.1 g/cm³ (Silicon Carbide) 1.8 g/cm³ (Carbon Graphite)
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Tensile Strength (Face Material)
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400 MPa (Silicon Carbide) 30 MPa (Carbon Graphite)
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Compressive Strength (Face Material)
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1500 MPa (Silicon Carbide) 100 MPa (Carbon Graphite)
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Hardness (Face Material)
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2500 - 3000 HV (Silicon Carbide) 80 - 120 HB (Carbon Graphite)
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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.