Rubber Bellow Mechanical Seal Replacement for Grundfos Pumps - 12mm/16mm Shaft, 3MPa Pressure, -20°C to 180°C Range
Price:
USD
MOQ:
1pcs
Delivery Time:
3~10DAYS
Brand:
JG
Product Description
Product Overview
Rubber Bellow Grundfos Mechanical Seal JG A is a direct replacement seal designed specifically for Grundfos multistage centrifugal pumps. Manufactured by Jiaxing Burgmann Mechanical Seal factory, this seal follows original Grundfos design specifications to ensure perfect compatibility with CR, CRI, and CRN Series Vertical Multistage Centrifugal Pumps.
Key Features
Rubber bellows design provides exceptional sealing performance for pump applications
• Spring unit positioned away from product flow to prevent sticking and clogging
• Secure operation with seal face locking via square pin design
• Compatible with pressure reversal conditions
• Vacuum operation capability without additional seat locking
• No shaft damage from dynamically loaded O-Rings
• Compact installation dimensions
• Ideal for conversions without pump modifications
• Resistant to solid-containing and abrasive media
• Balanced seal advantages even with plain shafts
• Stationary design tolerates shaft movements effectively
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, Hastelloy C |
| Stationary Ring | Carbon, Silicon Carbide, Tungsten Carbide, Ceramic |
Industry Applications
• Water and wastewater treatment systems
• Chemical processing industry
• Refining technology applications
• Handling dirty, abrasive, and solid-containing media
• Fugitive hydrocarbons (non-API applications)
• Sticky and stringy media processing
• Chemical standard pumps
• Sewage pump systems
Customization & Services
• OEM/ODM manufacturing capabilities
• Custom mechanical seals based on drawings or specifications
• Small quantity orders accepted
• Competitive pricing with excellent quality assurance
Shipping & Payment
Port of Loading: Shanghai
Shipping Methods: DHL, UPS, FedEx, TNT, and other carriers
Payment Options: T/T, Western Union, MoneyGram
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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