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28XP Dry Gas Seals John Crane Mechanical Seal for Ebara Turbine Compressors
28XP
28XP Dry Gas Seals (equivalent to John Crane Type 28XP DGS), Ebara Turbine Compressors
High-Temperature, High-Pressure Dry Gas Seals for Ebara Turbine Compressors.
Design Parameters
Tandem dry gas seal
Medium Temperature: -40 to 150 °C
Static Pressure: 8.618 MPa
Dynamic Pressure: 5.869 MPa
Rotary Speed: 14643 r/min
Actual Operating Conditions
Operating Pressure: 4.647 MPa
Operating Temperature: 140 °C
Rotary Speed: 13312 r/min
Medium: 97.56% CH₄, 1.5007% N₂, H₂S, etc.
Design Features
For high-pressure, high-temperature turbine compressors, only explosion-proof "spring energized seals" can be selected as auxiliary sealing rings.
Structural component design must undergo rigorous static analysis and optimization.
The stability of the dynamic pressure effect generated by the dynamic pressure groove and the stiffness-to-leakage ratio must undergo rigorous dynamic analysis and verification tests.
The isolation sealing structure requires special design and testing to ensure accurate control of nitrogen consumption.
Materials
Rotary Face / Stationary Face / Elastomer / Spring / Metal Parts
SiC/Carbon/Viton/HC276/SS316
Model
Materials
GA
28XP-5.437
SiC/Carbon/Viton/HC276/SS316
—
28XP-5.687
SiC/Carbon/Viton/HC276/SS316
—
28XP-7.625
SiC/Carbon/Viton/HC276/SS316
—
28XP-8.625
SiC/Carbon/Viton/HC276/SS316
—
28XP-9.625
SiC/Carbon/Viton/HC276/SS316
—
28XP-10.625XP
SiC/Carbon/Viton/HC276/SS316
—
BESTSEAL — Your Reliable Partner for Mechanical Seals
BESTSEAL Advantage:
15 years
Focused in mechanical seal manufacturing
3 hours
Quotation response only takes 3 hours
1 day
Provide production assembly drawings
1 piece
MOQ, One piece can also be produced
15-20 working days
The production cycle only takes 15-20 working days
real-time
Real time synchronization of production progress
BESTSEAL Cartridge Mechanical Seal
Your Fast-Track Alternative to John Crane Type 28XP
Custom Cartridge Mechanical Seals — From Drawing to Delivery in 15–20 Working Days