Jiaxing Burgmann Mechanical Seal Co., Ltd. Jiashan King Kong Branch
                                                                                                           
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Since 1992
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High Pressure Metal Bellows Mechanical Seal 20-75mm Shaft 2.5MPa DIN24960 Standard for Industrial Applications

Price Negotiable
Price: Negotiable
MOQ: 1PCS
Delivery Time: 5~15DAYS
Brand: JG
Product Description
High Pressure Metal Bellows Mechanical Seal
JG-11 High Pressure Flexible Metal Bellows Mechanical Seal conforms to DIN24960 standard, designed for demanding industrial applications requiring superior performance under extreme conditions.
Key Features & Benefits
  • Soft, flexible construction with excellent vibration absorption capabilities
  • Metal bellows absorb large axial displacement and minor horizontal movements
  • Compensates for piping connection deviations and eliminates residual stress
  • Easy to clean and maintain with accessible design
Technical Specifications
Parameter Specification
Shaft Diameter 20-75mm
Maximum Pressure 2.5 MPa
Temperature Range -100°C to 400°C
Sliding Velocity 23 m/s
Material Composition
Rotary Ring: Carbon, Silicon Carbide, Tungsten Carbide, Ceramic
O-Ring: Viton, EPDM, NBR, AFLAS, Kalrez
Spring & Metal Parts: SUS304, SUS316, AM350, Hastelloy C276
Stationary Ring: Carbon, Silicon Carbide, Tungsten Carbide, Ceramic
Industry Applications
Widely utilized in petrochemical, instrumentation, aerospace, marine, pipeline systems, chemical processing, power generation, cement production, nuclear power stations, and metallurgical industries.
Quality Assurance Testing
  • Helium leakage testing for seal integrity
  • Chemical analysis and mechanical property testing of materials
  • Non-destructive testing on all manufactured products
  • Comprehensive pressure testing and dimensional verification
  • Thorough appearance quality and packaging inspection
Compatible Models
MFL85N, MFLWT80, John Crane 609, 680 and similar metal bellows configurations.
Manufacturing & Customization Services
  • OEM/ODM orders accepted with factory direct pricing
  • Custom mechanical seals manufactured to your specifications
  • Small quantity orders welcome
  • Competitive pricing with guaranteed quality standards
Frequently Asked Questions
Are you a trading company or manufacturer?
We are the factory with direct manufacturing capabilities.
How long is your delivery time?
Standard delivery: 2-3 days for in-stock items, 10-20 days for custom orders depending on quantity.
Do you provide samples? Is it free or extra?
Yes, we offer samples (excluding metal bellows and cartridge seals) free of charge, with freight costs to be covered by the customer.
What are your payment terms?
Orders under $2000 USD: 100% advance payment. Orders over $2000 USD: 30% T/T advance, balance due before shipment.
For additional inquiries or custom requirements, please contact our technical team for personalized assistance.

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

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