High-Performance Single Spring Mechanical Seal for Lowara Pumps

• Customization: Available
• Structure: Single End
• Pressure: High Pressure Mechanical Seals
• Model NO.: Queeny-lowara
• Speed: General Speed Mechanical Seal
• Temperature: Temperature Mechanical Seal
• Performance: Wear
• Standard: Standard
• Type: Queeny-Lowara
• Balance: Balanced
• Delivery: 1 Week
• Package: Custom or Standard Box
• Transport: Air or Sea
• OEM Pump Seal: Lowara 16mm Seal
• Transport Package: Customized
• Specification: Standard
• Trademark: Queeny
• Origin: China
• HS Code: 8484200090
• Production Capacity: 5000
• Package Size: 10.00cm * 10.00cm * 10.00cm
• Package Gross Weight: 1.000kg

Product Description

Parameter	Value/Description	Unit/Note
Model Compatibility	Lowara E-SH, E-SE, and V-SH Series Pumps	Direct replacement for Lowara OEM seals (e.g., part numbers LW-1234, LW-5678)
Seal Type	Single Mechanical Seal (Standard) Double Mechanical Seal (for high-risk applications)	Single: For clean water; Double: With barrier fluid for contaminated water
Face Materials	- Rotating: Carbon Graphite - Stationary: Silicon Carbide (SiC)	Graphite/SiC pairing for low friction and wear resistance in water applications
Housing Material	Stainless Steel 316L (Electropolished)	Corrosion-resistant for potable water and light wastewater
Pressure Range	0 - 1.6	MPa	Matches Lowara pump pressure ratings (e.g., up to 16 bar for E-SH models)
Shaft Diameter Range	25 mm - 80 mm	Direct fit for Lowara pump shafts (verify with model-specific data)
Maximum Rotational Speed	4500	RPM	High-speed compatibility for Lowara's vertical multistage pumps
Temperature Range	-10°C ~ 120°C	Elastomer: EPDM (standard for water); FKM optional for hot water (up to 150°C)
Leakage Rate	≤1.5 ml/h (Single) ≤0.5 ml/h (Double)	Meets EN 12756 and ISO 9001 standards for water pumps
Installation Type	Cartridge-Mounted (Quick-Clip Design)	Tool-free replacement in Lowara's EasyService pump systems
Elastomer Material	EPDM (Standard for Water) - FKM (For Hot Water)	EPDM: pH 6-8; FKM: pH 5-9 (improved chemical resistance)
Key Features	- Self-Adjusting for Shaft Axial Movement - Anti-Cavitation Grooves - Smooth Surface Finish (Ra ≤0.8 μm)	Reduces wear in Lowara's high-efficiency impeller designs

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.