Stainless Steel Case PTFE Shaft Seal

Stainless Steel Case PTFE Shaft Seal

Brand: Jinwo
Series: Extreme Environment Series
Application: Chemical Pumps & Screw Compressors
Material: Stainless Steel (SS304/SS316) + Filled PTFE
Key Feature: Superior Chemical Resistance & Wide Temperature Range
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Description
Technical Parameters

Hebei Jinwo Machinery Technology Co., Ltd. is one of the leading manufacturers and suppliers of stainless steel case ptfe shaft seal in China. With abundant experience, we warmly welcome you to buy bulk durable stainless steel case ptfe shaft seal in stock here from our factory. All customized products are with high quality and competitive price. Contact us for quotation.

 

The Stainless Steel Case PTFE Shaft Seal is a premium industrial component designed for high-speed and corrosive environments. Utilizing a chemical-resistant PTFE lip housed in a durable stainless steel shell, it offers exceptional thermal stability and dry-running capabilities. This robust construction ensures a leak-free performance while minimizing friction and shaft wear.

 

Technical Specifications & Dimension Matrix

 

Parameter

Specifications

Type

Stainless Steel Encased Single/Double Lip

Material

SS304 Casing / Glass Fiber or Carbon Filled PTFE

Max. Pressure

Up to 2.5 MPa (25 Bar)

Temp.

-60℃ to 250℃

Max. Speed

Up to 40 m/s

Friction Coeff.

0.05 - 0.10 (Self-lubricating)

Application

Corrosive Media & High-Speed Rotors

 

Low-Friction Performance & Chemical Inertia

 

Stainless Steel Case PTFE Shaft Seal-1

The Stainless Steel Case PTFE Shaft Seal represents the pinnacle of sealing technology for aggressive industrial processing.


By combining a precision-engineered stainless steel outer shell with a modified PTFE sealing element, this ptfe rotary lip seal achieves structural rigidity that traditional rubber seals cannot match.


The PTFE lip is chemically inert, resisting degradation from nearly all industrial acids, bases, and solvents. This material synergy allows our ptfe rotary seals to operate efficiently at surface speeds exceeding 30 m/s while maintaining a low-friction interface that prevents shaft wear.


The robust metal casing ensures a secure interference fit in the housing, maintaining alignment even under significant thermal expansion or high-pressure cycles.

 

Why Choose Jinwo - Advanced Material Engineering

 

Our seals utilize premium stainless steel housings (SS304 or SS316) to ensure zero oxidation and maximum durability in high-humidity or sterile environments.


We optimize the PTFE lip geometry using proprietary turning technology, ensuring that the contact pressure is perfectly balanced for dry-running longevity.


Every batch of the Stainless Steel Case PTFE Shaft Seal is verified for thermal stability, guaranteeing consistent performance across a wide operating window from cryogenic temperatures to extreme heat.


Jinwo partners with B2B clients to provide customized filling recipes (Graphite, Carbon, or Moly) tailored to specific application requirements for air and gas handling.

Stainless Steel Case PTFE Shaft Seal-2

 

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