DN250 PN16 PTFE Lined Rubber Compensator – Premium EPDM with SS316 Flanges for Petrochemical Pumps

SKU: KXT-DN250-EPDM-PN16-SS316

Model TypeKXT-Single Arch
Size(DN)DN250 (10inch)
Pressure RatingPN16
Bellow MaterialEPDM
Flange MaterialSS316
Temperature Range-20ยฐC to +120ยฐC
Working MediaStrong acids and alkalis
Length230mm
LiningPTFE
Connection TypeFlange Connection

Product Description & Specifications

Product Overviewย 

The DN250 PN16 PTFE Lined Rubber Compensator is a high-end fluid control solution specifically engineered for the aggressive chemical environments of the petrochemical industry. Installed at the suction and discharge ends of critical pumps, this rubber expansion joint combines the mechanical flexibility of premium EPDM with the near-universal chemical inertness of a full PTFE lining.
Measuring a standardized 230mm in length, the rubber bellow is designed to isolate high-frequency vibrations and absorb thermal expansion while protecting expensive pumping equipment from stress. Our flexible joint features SS316 stainless steel flanges, ensuring zero external corrosion even in volatile industrial atmospheres. While this is a high-performance standard model, we specialize in solving engineering challenges through custom-to-drawing production, providing bespoke flexible solutions with significantly shorter lead times than international premium brands.

Key Featuresย 

    • Chemically Inert PTFE Liner: Provides an impenetrable barrier against aggressive acids, solvents, and hydrocarbons, preventing degradation of the rubber below.
    • Petrochemical-Grade SS316 Flanges: High-purity stainless steel construction ensures the connection remains rust-free and easily maintainable in corrosive oil & gas environments.
    • Superior Vibration Isolation: Specifically optimized to dampen pump-induced noise and mechanical shock, extending the service life of seals and bearings.
    • Molded Precision & High Integrity: Our advanced molding process ensures uniform PTFE bonding, offering a top-tier quality replacement for global premium brands.
    • Fast-Track Delivery: We understand the high cost of facility downtime; we deliver these high-specification rubber compensators much faster than traditional global suppliers.

Applicationsย 

    • Petrochemical Refining: High-integrity links for acid transfer and process water pumps.
    • Chemical Processing Plants: Flexible connections for reactors and storage tank headers.
    • Offshore Platforms: Managing corrosive media in space-constrained pump modules.

ย FAQย 

Q: Why is a PTFE-lined rubber compensator essential for petrochemical pump inlets and outlets?
A: Petrochemical piping systems face unique challenges that standard joints cannot survive. Our flexible joint addresses these through:
  1. Universal Media Compatibility: The PTFE lining allows one rubber expansion joint to handle a vast array of chemicals, reducing the complexity of your spare parts inventory while ensuring the rubber bellow is never compromised by the media.
  2. Protecting Critical Assets: Pumps are expensive. Our joints are engineered with a low spring rate to ensure that thermal expansion forces are absorbed by the flexible joint rather than being transmitted to the pump flange, preventing housing cracks and seal leaks.
  3. Engineering Problem Solving: We do more than sell standard parts. If your site has a specific offset or requires a unique flange drilling according to your CAD blueprints, we can manufacture a custom-to-drawing solution that integrates perfectly into your system.
  4. Premium Alternative with Speed: We offer the same (or superior) material standards as international market leaders but with the agility of a specialized manufacturer. This means you get a nuclear-level quality component with much shorter lead times, ensuring your turnaround stays on schedule.

SEO

DN250 PN16 PTFE Lined Rubber Compensator - Premium EPDM with SS316 Flanges for Petrochemical Pumps

Premium DN250 PN16 PTFE lined rubber expansion joint for petrochemical pumps. Featuring high-grade EPDM, SS316 flanges, and 230mm length. A high-integrity flexible joint with rapid delivery for corrosive media.

Product SKU: KXT-DN250-EPDM-PN16-SS316

Product Brand: SONGJIANGFLEX

Product In-Stock: InStock

Technical Specifications

Parameter Value
Nominal Diameter250 mm(10inch)
Working Pressre1.6MPa
Test Pressure2.4MPa
Burst Pressure4.8MPa
Axial Extension16mm
Axial Compression25mm
Lateral Deflection22mm
Angular Deflection10ยฐ

โ“ Frequently Asked Questions (Applications)