Long Spring Grundfos Mechanical Seal Replacement GLF-2 for 12mm & 16mm Shafts, 3MPa Pressure, -20°C to 180°C
Price:
USD
MOQ:
1pcs
Delivery Time:
3~10DAYS
Brand:
JG
Product Description
Long Spring O-Ring Type Grundfos Mechanical Seal Replacement GLF-2
High-performance mechanical seal replacement designed for Grundfos pump models CRK2/CRK4/CRK8/CRK16, CRK2/4 AUUV, and CRK8/16 AUUV. Features robust O-ring construction with rigid torque transmission for demanding applications.
Key Features
- Unbalanced seal design with O-ring components
- Rigid torque transmission for hard material pairings (WC/WC or SiC/SiC)
- Effective performance even with poor lubrication
- Multiple material options for seal faces and rubber parts
- Spring unit averted from product to prevent sticking and clogging
- Safe operation with seal face locking by square pin
- Suitable for pressure reversals and vacuum operation
Operating Specifications
| Parameter | Value |
|---|---|
| Shaft Diameter | 12mm and 16mm |
| Maximum Pressure | Up to 3 MPa |
| Temperature Range | -20°C to 180°C |
| Sliding Velocity | 15 m/s |
Material Options
| Component | Available Materials |
|---|---|
| Rotary Ring | Carbon, Silicon Carbide, Tungsten Carbide, Ceramic |
| O-Ring | Viton, EPDM, NBR, AFLAS, Kalrez, PTFE |
| Spring & Metal Parts | SUS304, SUS316, HAST C |
| Stationary Ring | Carbon, Silicon Carbide, Tungsten Carbide, Ceramic |
Technical Advantages
- No shaft damage from dynamically loaded O-rings
- Compact installation sizes
- Ideal for conversions without pump adaptations
- Resistant to solid-containing and abrasive media
- Benefits of balanced seal performance with plain shafts
- Tolerant to shaft movements due to stationary design
Applications
- Water and wastewater treatment systems
- Chemical processing industry
- Refining technology applications
- Dirty, abrasive, and solid-containing media
- Fugitive hydrocarbon handling (non-API seal)
- Sticky and stringy media processing
- Chemical standard pumps and sewage pumps
Customization & Services
OEM/ODM orders available with custom mechanical seals according to your specifications. Small quantity orders accepted with competitive pricing and excellent quality assurance.
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