High-Performance Lowara Pump Seal Budget-Friendly OEM Option

• 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
• 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, V-SH, and SLC Series	Direct fit for Lowara pump models with shaft diameters 25-80 mm
Seal Type	Single Mechanical Seal (Standard) Double Mechanical Seal (Tandem Design, Optional)	Single: For clean water; Double: With barrier fluid for contaminated media
Face Materials	- Rotating: Carbon Graphite - Stationary: Silicon Carbide (SiC)	Graphite for low friction; SiC for wear resistance in water with light solids
Housing Material	Stainless Steel 316L (Electropolished)	Surface roughness: Ra ≤0.8 μm; corrosion-resistant for potable water
Pressure Range	0 - 1.6	MPa (0 - 16 bar)	Matches Lowara pump pressure capabilities (e.g., E-SH 100-250: 1.6 MPa max)
Shaft Diameter	25 mm, 32 mm, 40 mm, 50 mm, 65 mm, 80 mm	Standard sizes for Lowara E-SH/V-SH series
Maximum Speed	4500	RPM	Suitable for Lowara's high-speed vertical multistage pumps
Temperature Range	-10°C ~ 120°C	Elastomer: EPDM (standard, ≤90°C) FKM (optional, ≤150°C for hot water)
Leakage Rate	≤1.0 ml/h (Single) ≤0.3 ml/h (Double)	Exceeds EN 12756 and ISO 2858 standards for water pumps
Installation	Cartridge-Mounted (Plug-and-Play Design)	Compatible with Lowara's EasyService quick-release system
Elastomer Material	EPDM (Standard) - FKM (For Hot Water/ Chemicals)	EPDM: pH 6-8; FKM: pH 5-9 (improved resistance to mild acids/alkalis)
Key Features	- Self-Compensating Spring Load - Anti-Rotation Lock - Hydrodynamic Face Design	Reduces wear in Lowara's energy-efficient impeller systems

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.