| Customization: | Available |
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| Structure: | Single End |
| Pressure: | Medium Pressure Mechanical Seals |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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| Parameter | Value/Description | Unit/Note | |
|---|---|---|---|
| Model | QT-2 | Single mechanical seal for general-purpose pumps | |
| Seal Type | Unbalanced, Spring-Loaded | Simple design for low-to-medium pressure applications | |
| Face Materials | - Rotating: Carbon Graphite - Stationary: Silicon Carbide (SiC) |
Graphite/SiC pairing for moderate wear resistance | |
| Housing Material | Stainless Steel 304 | Standard corrosion resistance for non-chemical media | |
| Pressure Range | 0 - 1.0 | MPa | Suitable for pumps up to 10 bar (e.g., water, oil) |
| Shaft Diameter Range | 20 mm - 60 mm | Common shaft sizes in centrifugal pumps | |
| Maximum Rotational Speed | 2900 | RPM | Matches standard 50 Hz motor speeds |
| Temperature Range | -10°C ~ 120°C | Elastomer: NBR (standard); FKM up to 180°C (optional) | |
| Leakage Rate | ≤3.0 | ml/h | Meets basic ISO 21049 requirements for non-critical use |
| Media Compatibility | - Water, Mineral Oils, Aliphatic Hydrocarbons | Not recommended for strong acids, alkalis, or solvents | |
| Installation Type | Insertion-Mounted | Simple axial installation (no special tools required) | |
| Elastomer Material | NBR (Standard) - FKM (For Higher Temp/Chemicals) |
NBR: pH 6-8; FKM: pH 0-14 | |
| Standards Compliance | ISO 21049, RoHS | Basic safety and environmental certification | |
| Key Features | - Anti-Rotation Pin - Pre-Lubricated Faces |
Reduces installation errors and startup friction |
Queeny Mechanical Equipment Co., Ltd. is an advanced fluid seal design and manufacturer. Our factory is located in Ningbo, Zhejiang, China. and our sales organization is located in Shanghai. We not only provide customers with products, but also provide customers with overall solutions including services to cope with the complex and challenging working conditions encountered by customers.
The main products we produce are: Component Seals, Dry Gas Seals, Mixer and Agitator Seals, Cartridge Seals, Metal Bellows Seals and Silicon Carbide products. Products are widely used in chemical, textile, food, pharmaceutical, metallurgy, printing and other mechanical equipment fields, and can undertake the design of non-standard and special seals.
1. Are we a factory or a trading company?
We are a factory only producing mechanical seals and we have our own marketing department and also home market. The main market is 50% in China and 50% in European countries where most pumps factories located, we mainly supply to pump factories.
2. What are the payment methods?
We accept T/T, Western Union, Paypal, Made in China as your convenience.
3. How long is the delivery time?
Products in stock will be shipped within 48 hours. Standard seal 1-2 weeks. Custom seals are 3-4 weeks.
4. Could you offer sample ?
Yes, the sample could be sent to you with freight charge paid at your destination.
5. About our packaging type?
We have 2 kinds of packaging, one is with our brand, another one is white blank . with enough quantity, we could use your own logo in the package after your logo authorization.
6.I can not find our products in your catalog ,can you make customized products for us ?
Yes ,Customized products is available . Also, We have been adding new seals, there are many types we have not added in here yet, please send us the pump type or seals international code, we could identify the seals you need.
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