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-155
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Type
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Single-Ended Unbalanced Mechanical Seal
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Application
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Suitable for pumps, mixers, and agitators in chemical, petrochemical, and water treatment industries
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Pressure Rating
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Maximum operating pressure: 1.6 MPa (232 psi)
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Temperature Range
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-40°C to 180°C (-40°F to 356°F)
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Shaft Diameter Range
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20 mm to 80 mm (0.79 in to 3.15 in)
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Face Material
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Carbon Graphite (Stationary) and Silicon Carbide (Rotating)
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O-Ring Material
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EPDM (Ethylene Propylene Diene Monomer)
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Spring Material
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Stainless Steel 316
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Seal Chamber Diameter
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Minimum: 40 mm (1.57 in), Maximum: 100 mm (3.94 in)
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Face Flatness
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≤0.0009 mm (≤0.000035 in)
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Face Roughness
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Stationary Face: Ra ≤0.2 μm (≤8 μin), Rotating Face: Ra ≤0.4 μm (≤16 μin)
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Axial Runout
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≤0.05 mm (≤0.002 in)
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Radial Runout
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≤0.02 mm (≤0.0008 in)
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Spring Rate
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15 N/mm (85.7 lbf/in)
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Spring Compression
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5 mm to 7 mm (0.2 in to 0.28 in)
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Seal Face Width
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Stationary Face: 6 mm (0.24 in), Rotating Face: 8 mm (0.31 in)
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Lubrication Requirement
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Liquid lubrication within the sealed medium
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Leakage Rate
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≤5 ml/h at rated operating conditions
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Maximum Rotational Speed
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3000 RPM
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Chemical Compatibility
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Resistant to most acids, alkalis, and solvents within the specified temperature and pressure range
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Assembly Torque
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Recommended torque for gland bolts: 15 N·m to 20 N·m (11 lbf·ft to 15 lbf·ft)
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Storage Conditions
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Store in a dry, clean environment away from direct sunlight and corrosive gases, at a temperature between 0°C and 30°C (32°F and 86°F)
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Service Life
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Under normal operating conditions, expected service life is 8000 to 12000 hours
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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.