DN450 PN16 Heavy-Duty Rubber Compensator – Blue Powder Coated Flanges with Control Rods for Hydraulic Return Lines

SKU: KXT-DN450-NBR-PN16-CS

Model TypeKXT-Single Arch
Size(DN๏ผ‰DN450
Pressure RatingPN16
Bellow MaterialNBR
Flange MaterialCarbon Steel
Temperature Range-20ยฐC to +80ยฐC
Working MediumHydraulic Oil
Length255mm
SealingRing Face Sealing
AccessoriesControl Rods/4 sets

Product Description & Specifications

Product Overviewย 

The DN450 PN16 Heavy-Duty Rubber Compensator is a precision-engineered solution specifically developed to address the critical challenges in hydraulic pump station return lines. In systems plagued by intense pulsation shocks and pipeline vibration, this rubber expansion joint acts as a superior energy absorber. With a standardized 255mm length, it integrates a high-grade NBR rubber bellow that is inherently resistant to hydraulic oils, ensuring the system remains leak-free and quiet.
Equipped with blue powder coated carbon steel flanges and robust safety control rods, this flexible bellow is designed to stabilize piping systems under 16 Bar pressure. While this is a standard high-performance model, we pride ourselves on our engineering agilityโ€”offering the ability to manufacture 100% custom-to-drawing solutions to solve complex flexible connection problems for any industrial layout.

Key Featuresย 

    • Pulsation & Vibration Damping: The specialized NBR rubber bellow geometry is optimized to dissipate high-frequency hydraulic shocks, effectively eliminating pipeline “chatter” and noise.
    • Anti-Leakage NBR Material: High-density Nitrile (NBR) prevents oil-induced swelling and degradation, maintaining a perfect seal at connection points even under continuous thermal cycling.
    • Blue Powder Coated Protection: Carbon steel flanges are finished with a premium powder coating, providing superior corrosion resistance and a professional “heavy-duty” aesthetic.
    • Integrated Safety Control Units: Standardized carbon steel limit rods prevent over-extension, protecting the flexible bellow and downstream components from surge-induced damage.
    • Rapid Engineering Fulfillment: We bridge the gap between premium quality and speed, delivering these high-integrity rubber expansion joints much faster than international premium competitors.

Applicationsย 

    • Hydraulic Power Units (HPU): Eliminating vibration on large-bore return headers.
    • Industrial Press Systems: Damping the recoil shocks in heavy-duty forging or stamping lines.
    • Oil & Gas Refineries: Flexible links for oil transfer pumps where NBR resilience is mandatory.

ย FAQย 

Q: How does this DN450 rubber compensator solve vibration and leakage issues in hydraulic return lines?
A: Hydraulic systems require more than just a standard connector; they require an engineered solution. Our flexible bellow addresses these “pain points” through:
  1. Shock Dissipation: The rubber expansion joint acts as a localized “buffer,” absorbing the kinetic energy of hydraulic pulsations before they can transmit through the rigid piping, which is the root cause of noise and joint loosening.
  2. Zero-Seepage Interface: By using premium NBR, we ensure that the rubber bellow remains chemically stable. Unlike lower-tier products that swell and lose tension, our joints maintain their compression force against the flanges, preventing the “slow leaks” common in vibration-heavy environments.
  3. Engineered Safety Margins: Every PN16 unit is tested to withstand surges beyond its rated pressure. The included limit rods ensure that even during extreme system fluctuations, the joint never exceeds its design displacement.
  4. Custom-to-Drawing Capability: Although this is a standard 255mm model, our engineering team can modify any parameterโ€”length, flange drilling, or reinforcement layersโ€”based on your CAD drawings to provide a bespoke solution for unique site constraints.

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DN450 PN16 Heavy-Duty Rubber Compensator - Blue Powder Coated Flanges with Control Rods for Hydraulic Return Lines

High-performance DN450 rubber expansion joint for hydraulic return lines. NBR rubber bellow with blue powder coated flanges and control rods. Solves pipeline vibration, noise, and leakage issues with rapid delivery.

Product SKU: KXT-DN450-NBR-PN16-CS

Product Brand: SONGJIANGFLEX

Product In-Stock: InStock

Technical Specifications

Parameter Value
Nominal DiameterDN450
Working Pressure16Bar
Test Pressure2.4MPa
Temperature Range-20ยฐC to +80ยฐC
Axial Extension16mm
Axial Compression25mm
Lateral Deflection22mm
Angular Defection5ยฐ

โ“ Frequently Asked Questions (Applications)