Jiaxing Burgmann Mechanical Seal Co., Ltd. Jiashan King Kong Branch
                                                                                                           
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34 Years
Since 1992
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PTFE O-Ring Single Spring Mechanical Seal JG 250A - 20-100mm Shaft, 1.2MPa Pressure, -20°C to 200°C Temperature Range

Price Negotiable
Price: USD
MOQ: 1pcs
Delivery Time: 3~10DAYS
Brand: JG
Product Description
FDA Certified PTFE O-Ring Single Spring Mechanical Seal

JG 250A model designed for chemical pumps, printing & dyeing equipment with pressure handling up to 1.2MPa and temperature range of -20°C to 200°C.

Product Overview

This single spring mechanical seal features a stationary design with PTFE O-ring construction, specifically engineered to handle pressure reversals and demanding industrial applications.

Technical Specifications
Parameter Specification
Shaft Diameter 20-100mm
Maximum Pressure 1.2 MPa
Temperature Range -20°C to 200°C
Sliding Velocity 15 m/s
Material Composition
Component Material Options
Rotary Ring Carbon, Silicon Carbide (SiC), Tungsten Carbide (TC), Ceramic
O-Ring Viton, EPDM, NBR, AFLAS, Kalrez, PTFE
Spring & Metal Parts SUS304, SUS316 Stainless Steel
Stationary Ring Carbon, Silicon Carbide (SiC), Tungsten Carbide (TC), Ceramic
Key Advantages
  • Spring unit averted from product flow to prevent sticking and clogging
  • Safe operation with seal face locking by square pin design
  • Specifically designed for pressure reversal applications
  • Vacuum operation capability without additional seat locking
  • No shaft damage from dynamically loaded O-rings
  • Compact installation dimensions for space-constrained applications
  • Ideal for pump conversions without requiring adaptations
  • Resistant to solid-containing and abrasive media
  • Balanced seal performance even with plain shafts
  • Stationary design provides insensitivity to shaft movements
Industrial Applications
  • Water and wastewater treatment systems
  • Chemical processing industry equipment
  • Refining technology applications
  • Handling dirty, abrasive, and solid-containing media
  • Fugitive hydrocarbon applications (non-API seal)
  • Processing sticky and stringy media
  • Chemical standard pumps and sewage pumps
Service Capabilities
  • OEM/ODM manufacturing services available
  • Custom mechanical seals according to customer specifications
  • Small quantity orders accepted
  • Competitive pricing with 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

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