Customization: | Available |
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Structure: | Single End |
Pressure: | Medium Pressure Mechanical Seals |
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Parameter
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Value
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Model
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QT-Pdgs10
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Seal Type
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Multi-spring balanced mechanical seal
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Application
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Suitable for pumps, mixers, and agitators in chemical, petrochemical, and pharmaceutical industries
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Shaft Diameter Range
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15 mm - 100 mm
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Pressure Rating
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Maximum operating pressure: 2.5 MPaMinimum operating pressure: 0.05 MPa
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Temperature Range
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-40°C - 200°C
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Speed Range
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Maximum rotational speed: 3000 RPM
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Seal Face Material
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Tungsten Carbide (Static Face)Carbon Graphite (Rotating Face)
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O-Ring Material
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EPDM
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Spring Material
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Stainless Steel 316
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Body Material
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Stainless Steel 304
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Leakage Rate
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≤ 5 ml/h at normal operating conditions
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Axial End Play Tolerance
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± 0.5 mm
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Radial Runout Tolerance
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≤ 0.05 mm
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Axial Load
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50 N - 200 N
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Installation Clearance
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Axial clearance: 1.5 mm - 2.5 mmRadial clearance: 0.1 mm - 0.3 mm
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Medium Compatibility
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Compatible with water-based fluids, oils, and non-corrosive chemicals
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Assembly Torque
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Recommended torque for gland bolts: 15 N·m - 25 N·m
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Disassembly Instructions
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Loosen gland bolts in a cross - pattern; avoid damaging seal faces
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Maintenance Interval
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Inspect every 6 months under normal operating conditions
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Storage Conditions
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Store in a dry, cool place away from direct sunlight; temperature range: 0°C - 30°C, relative humidity ≤ 60%
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Weight
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Approximately 0.8 kg - 2.5 kg depending on shaft diameter
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Life Expectancy
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Under normal operating conditions: 8000 - 12000 hours
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Certification
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Complies with ISO 21049 standards for mechanical seals
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Cleaning Requirements
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Clean with non - abrasive solvents; avoid using sharp tools on seal faces
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Lubrication
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No additional lubrication required for normal operation
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Vibration Resistance
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Can withstand vibrations up to 7.5 mm/s RMS
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Chemical Resistance
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Resistant to mild acids and alkalis within specified temperature and pressure ranges
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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.