Mechanical Shaft Seal Roten Uniten 2 Water Pump Seal for diving pumps
Mechanical Seal Roten Seal Burgmann BT-RN NU Single Spring Roten Uniten 2 Seal
Operational Conditions:
- Water Pump Mechanical Seal Shaft diameter: d1 = 10 100 mm (0.39" ... 3.94")
- Temperature:-30°C to 200°C, depends on o-ring material
- Pressure: Up to 10bar
- Speed: Up to 10m/s
- End play/axial float allowance: ±1mm
Materials:
- Face: Carbon, SiC, TC
Seat: Ceramic, SiC, TC
O-rings:NBR,EPDM,FKM,Aflas,FEP,Kalrez,Chemraz etc
Spring:SS304, SS316
Other Metal Parts : SS304, SS316 - 3. Seat Type:
- 4. Applications: Clean water, sewage water, oil and other moderately corrosive fluids
Performance Capabilities
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Roten 2 Water Pump Mechanical Seal
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Operational Condtions
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Size
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Material
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Temperature:
-30℃ to 200℃ dependent on the elastomer
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20mm to 100mm,
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Face: Carbon, SiC, TC
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Pressure:Up to 25 bar
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Seat: Ceramic, SiC, TC
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Speed:Up to 20 m/s
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Elastomer:NBR, EPDM, FKM
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End Play /axial float Allowance:±1.0mm
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Other Metal Part :SS304 SS316
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- 1. Features of structure:
- Burgmann Bt-Rn Seals Roten 2 Seal Flowserve 42 Seal
- Model 2 with hard metal rings code “X3” is suitable for dirty, charged or very viscous liquids. Code “X3” is anticorrosion tungsten carbide brazed with high silver content alloy on AISI 316 stainless steel
- 2.Our seals can replace the original seals.
- 3.If it is not the one you need ,you can pass us your drawing ,material,shaft size for quotation.
- 4.Customized products and OEM is welcomed
- 5. 12 YEARS EXPERIENCE ,We provide Factory Price,High Quality ,Fast Delivery and Best Sevice.
We are a leading manufacturer, exporter, and wholesaler of high-quality industrial mechanical seals and related pump products, headquartered in Ningbo, China. Equipped with our own factory and a dedicated international sales team, we deliver reliable sealing solutions to clients worldwide.
Product Range
Spring & Bellow Seals
- Water Pump Mechanical Seal
- Single Spring Seals
- Balanced & Unbalanced Spring Seals
- Multi-Spring Balanced Seals
- Conical Spring Seals / Single Conical Helical Spring Seals
- Rubber Bellow Seals
- Metal Bellow Seals / Metallic Bellow Seals
- Elastomer Bellow Seals
- PTFE Bellow Externally Mounted Seals
Special Application Seals
- Externally Mounted Seals
- Cartridge Balanced Seals
- Dry Running Reverse Balanced Seals
- Double-Acting Unbalanced Seals for Agitators
- Air Conditioning Compressor Seals
- Automotive Cooling System Seals
Pump-Specific Mechanical Seals — fully compatible with:
Flygt, Grundfos, APV, Grindex, Fristam, ABS, Allweiler, EMU, GEA, Tuchenhagen, Godwin, Hidrostal, Hilge, Johnson, Lowara, Waukesha, Vogelsang, and more.
We also manufacture seals based on customer-supplied samples or drawings, and provide custom design services tailored to your specific operating conditions.
In addition to mechanical seals, we supply pumps and pump parts including lobe pumps, compound & homogenizing pumps, homogenizing & emulsifying pumps, and more.
Frequently Asked Questions (FAQ)
Q1: Are you a factory or a trading company?
We are a factory-direct manufacturer with our own in-house international sales team to provide full trade services. This allows us to combine competitive pricing with professional export support.
Q2: Can I request samples before placing an order?
Absolutely. Samples are available upon request and are generally provided free of charge. You only need to cover the shipping cost.
Q3: Where is your factory located? How can I arrange a visit?
Our factory is based in Ningbo, China. You may fly directly to Ningbo Lishe International Airport (NGB) or to Shanghai Pudong/Hongqiao International Airports (PVG/SHA). We warmly welcome all clients, both domestic and overseas, to visit our facility — please contact us in advance and we will be happy to assist with your travel arrangements.
Q4: How does your factory ensure product quality?
Quality is our top priority at every stage of production — from raw material inspection and in-process control to final testing before shipment. Our factory is ISO 9001 certified, and all products are manufactured under strict quality management procedures to guarantee consistent performance.
Q5: What is your standard lead time?
Generally 10–20 working days after receipt of advance payment. Exact lead time may vary depending on order quantity and product specifications.
Q6: What payment terms do you accept?
- For samples and small shipping fees: PayPal or T/T (Telegraphic Transfer).
- For bulk orders: T/T at sight.
Q7: Do you offer OEM / ODM services?
Yes. We provide comprehensive OEM and ODM services across our entire product range, including custom branding, packaging, and engineering design to meet your specific requirements.
Q8: Do you also supply pumps and pump parts?
Yes. Beyond mechanical seals, we offer a variety of pumps and pump components — such as lobe pumps, compound & homogenizing pumps, and homogenizing & emulsifying pumps. Please contact us for details.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.