Customization: | Available |
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Structure: | Double-End |
Pressure: | High Pressure Mechanical Seals |
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Parameter
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Description
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Model Number
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QT-SA
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Seal Type
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Single-Ended Pusher Mechanical Seal
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Application
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Suitable for pumps, mixers, and reactors in chemical, petrochemical industries
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Size Range
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15 mm - 100 mm
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Pressure Rating
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Maximum static pressure: 2.5 MPa; Maximum dynamic pressure: 1.8 MPa
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Temperature Range
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-40°C - 200°C
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Speed Limit
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Maximum rotational speed: 3000 RPM
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Shaft Diameter Compatibility
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15 - 100 mm
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Face Material
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Tungsten Carbide (stationary) and Silicon Carbide (rotating)
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Secondary Seal Material
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EPDM (Ethylene Propylene Diene Monomer)
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Spring Material
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316 Stainless Steel
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Seal Face Flatness
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≤ 0.0009 mm
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Surface Roughness (Stationary Face)
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≤ 0.2 μm Ra
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Surface Roughness (Rotating Face)
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≤ 0.4 μm Ra
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Leakage Rate
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≤ 5 ml/h at 0.5 MPa and 20°C
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Axial Movement 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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Installation Torque
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20 - 30 N·m
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Chemical Resistance
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Resistant to acids, alkalis, and most organic solvents
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Vibration Resistance
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Withstands vibration amplitude ≤ 50 μm (peak - peak)
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Lubrication Requirement
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Self - lubricating due to seal face materials
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Wear Resistance
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Expected service life: 8000 - 12000 operating hours
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Assembly Clearance
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0.1 - 0.3 mm
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Disassembly Clearance
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0.2 - 0.4 mm
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Weight (approximate)
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0.3 - 1.2 kg (varies by size)
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Storage Conditions
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Store in dry, cool environment (-20°C - 40°C), away from direct sunlight
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Cleaning Instructions
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Clean with neutral solvents, avoid abrasive materials
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Compatibility with Fluids
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Water, hydrocarbons, glycol - based fluids
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Thermal Conductivity of Face Material
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Tungsten Carbide: 120 W/(m·K); Silicon Carbide: 120 - 170 W/(m·K)
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Compression Set of Secondary Seal
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≤ 15% after 70 hours at 150°C
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Tensile Strength of Spring Material
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≥ 585 MPa
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Hardness of Face Material
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Tungsten Carbide: ≥ 1300 HV; Silicon Carbide: ≥ 2500 HV
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Impact Resistance of Face Material
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Tungsten Carbide: 8 - 10 J/cm²; Silicon Carbide: 4 - 6 J/cm²
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Shanghai Queeny Mechanical Equipment Co.,Ltd.is an enterprise specializing in the R&D,manufacture and export of mechanical seal products,headquartered in Pudong New Area,Shanghai.Our products mainly include component seals,dry gas seals,metal bellows seals,mixer and agitator seals,single & dual cartridge seals,silicon carbide parts and tungsetn carbide parts,which can replace John Crane, Burg--mann, AES, Chesterton,Flowserve,Rotenand other similar products,they are widely used in water treatment,petroleum,chemical,food,medical and other industries.
Relying on first-class technology and professional services,since its establishment, Queeny has carried out in-depth cooperation with hundreds of companies in more than 70 countries around the world.Our products are exported to Asia,Europe,North America,South America,Oceania and Africa in large quantities every year,and have been widely praised.Super high cost performance is the basis of our long-term cooperation with customers.We always rigorously treat clients' requirements,strictly control the production process,and comprehensively monitor the export procedure.It is our mission to reduce production and operation costs for more enterprises all over the world.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.