Grundfos JMK Cartridge Mechanical Seal for CR CRN Pumps - 40 Bar Pressure, -30°C to 180°C Range
Price:
6USD-22USD
MOQ:
5pcs
Delivery Time:
1~3DAYS
Brand:
JG
Product Description
Grundfos Pump Cartridge Style Seal JMK
The JMK Cartridge Mechanical Seal delivers superior sealing performance for Grundfos CR and CRN series water pumps. Engineered to withstand demanding industrial conditions with speeds up to 20 m/s and temperatures from -30°C to +180°C.
Key Performance Features
- Operating temperature range: -30°C to +180°C
- Maximum operating speed: 20 m/s
- Pressure rating: Up to 40 bar
- 12-month warranty for reliable performance
Technical Specifications
| Parameter | Specification |
|---|---|
| Seal Type | Cartridge Mechanical Seal |
| Operating Temperature | -30°C to +180°C |
| Maximum Pressure | 40 bar |
| Maximum Speed | 20 m/s |
| Shaft Diameter Options | 12mm, 14mm, 16mm, 18mm, 22mm |
| Seal Face Materials | Silicon Carbide, Tungsten Carbide |
| Secondary Sealing | VITON, EPDM |
| Warranty Period | 12 months |
Material Construction
Premium seal face materials including Silicon Carbide and Tungsten Carbide provide exceptional wear resistance and durability. Secondary sealing options include VITON and EPDM elastomers for optimal chemical compatibility.
Compatibility & Applications
Specifically engineered for Grundfos CR and CRN series pumps. Ideal for industrial water systems, HVAC applications, and process water handling where reliable sealing performance is critical.
Customization Options
Available with various shaft diameters (12mm, 14mm, 16mm, 18mm, 22mm) to match specific pump requirements. Custom secondary sealing materials available for specialized applications.
Support & Services
Comprehensive technical support including installation guidance, troubleshooting assistance, and maintenance services. Training programs and spare parts available to ensure optimal seal performance.
Frequently Asked Questions
What is a Cartridge Mechanical Seal?
A cartridge mechanical seal consists of stationary and rotating faces designed to prevent fluid leakage from rotating shafts. The JMK model offers easy installation and reliable performance.
What temperature and pressure can this seal withstand?
The JMK seal operates effectively from -30°C to +180°C and handles pressures up to 40 bar.
What materials are used in construction?
Premium materials including Silicon Carbide, Tungsten Carbide for seal faces, with VITON and EPDM secondary sealing options.
How often should maintenance be performed?
Regular inspection and maintenance every 6-12 months ensures optimal performance and extends service life.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Jiaxing Burgmann Mechanical Seal Co., Ltd. Jiashan King Kong Branch
Location
No. 28 No. 28 Chengxi Road, Jiashan County, Jiaxing, Zhejiang, China 314100
Contact Person
Doris Sun