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Home Product 20*27*4 Premium Grade High-Temperature Resistant Sealing Ring for Hydraulic Systems & Pump Components
20*27*4 (premium grade)

20*27*4 Premium Grade High-Temperature Resistant Sealing Ring for Hydraulic Systems & Pump Components

20x27x4 premium grade seal
20x27x4 PTFE sealing ring
premium industrial gasket 20x27x4
20*27*4 (premium grade)
20x27x4 premium grade seal, a PTFE sealing ring designed for industrial applications. Durable premium industrial gasket 20x27x4 with chemical resistance ensures reliable performance in demanding environments. Ideal for machinery and high-pressure systems.
Categories:Power Transmission
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Product Description

The 20x27x4 premium grade seal is a high-performance PTFE sealing ring designed for demanding industrial applications. With precise dimensions of 20x27x4 mm, this premium industrial gasket operates reliably in temperature ranges from -50°C to +200°C and withstands pressures up to 20 MPa. Its PTFE construction ensures exceptional chemical resistance, low friction, and minimal wear, making it ideal for use in petrochemical, pharmaceutical, and heavy machinery sectors. The reinforced structure provides superior sealing integrity in both static and dynamic conditions, while its compact design simplifies integration into complex systems. Though optimized for longevity, its PTFE material may require periodic inspection in extreme thermal cycling environments. This seal excels in high-purity or corrosive fluid applications due to its non-reactive properties.
Parameter Specification
Product Model 20x27x4 Premium Grade Seal
Material Composition Virgin Grade PTFE (Polytetrafluoroethylene)
Inner Diameter (ID) 20 mm ±0.05
Outer Diameter (OD) 27 mm ±0.10
Cross-Section Thickness 4 mm ±0.03
Temperature Range -60°C to +250°C
Pressure Rating 15 MPa (static), 5 MPa (dynamic)
Surface Finish Ra ≤0.8 μm (micro-polished)
Compression Set <12% @ 200°C/22hr (ASTM D395)
Chemical Resistance Class A (ISO 6072)
Standards Compliance ISO 3601-1, ASTM D1418
Application Premium Industrial Gasket for pumps/valves/compressors
question:Why are the shipping fees so high? Do you offer more economical options?
answer:Our rates include fuel surcharges and potential tariffs. Economical express options are available based on destination.
question:What payment methods do you accept?
answer:We support TT, PayPal, and other mainstream payment methods for secure transactions.
question:Do you provide technical selection assistance?
answer:Yes, we offer tailored technical selection guidance based on your project needs.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:Why are the shipping fees so high? Do you offer more economical options?
answer:Our rates include fuel surcharges and potential tariffs. Economical express options are available based on destination.
question:What payment methods do you accept?
answer:We support TT, PayPal, and other mainstream payment methods for secure transactions.
question:Do you provide technical selection assistance?
answer:Yes, we offer tailored technical selection guidance based on your project needs.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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