Customization: | Available |
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Structure: | Single End |
Pressure: | Medium Pressure Mechanical Seals |
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Parameter
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Description
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Model
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QT-CR
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Seal Type
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Single spring, multi-spring balanced mechanical seal
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Size Range (mm)
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15 - 100
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Shaft Diameter (mm)
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15, 18, 20, 22, 25, 28, 30, 32, 35, 38, 40, 42, 45, 48, 50, 52, 55, 58, 60, 65, 70, 75, 80, 85, 90, 95, 100
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Housing Bore Diameter (mm)
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30 - 120
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Face Material
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Carbon graphite / Silicon carbide / Tungsten carbide
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O-Ring Material
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NBR (Nitrile Butadiene Rubber)
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Spring Material
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Stainless steel 316
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Maximum Pressure (MPa)
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1.6
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Minimum Pressure (MPa)
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0.05
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Maximum Temperature (°C)
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120
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Minimum Temperature (°C)
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-20
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Speed Range (rpm)
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0 - 3000
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Leakage Rate (ml/h)
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≤5
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Axial Length (mm)
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35 - 60 (varies by size)
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Radial Clearance (mm)
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0.1 - 0.3
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Axial Tolerance (mm)
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±0.05
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Radial Tolerance (mm)
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±0.03
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Face Flatness (μm)
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≤0.0009
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Face Roughness (Ra, μm)
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0.1 - 0.3
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Spring Rate (N/mm)
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8 - 15 (varies by size)
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Spring Compression (mm)
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3 - 8 (varies by size)
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Application
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Suitable for pumps, mixers, agitators in chemical, pharmaceutical, food & beverage industries
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Installation Method
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Axial installation with alignment key
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Maintenance Interval
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Recommended every 12 - 18 months or based on operating conditions
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Cleaning Requirements
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Use mild solvents and soft brushes; avoid abrasive materials
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Storage Conditions
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Store in dry, clean environment at temperature between 0 - 40°C, humidity ≤60%
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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.