DSTI's success in providing fluid transfer solutions is based on a wide range of proven experience with rotary sealing technology, continual design innovation, and a priority for constant communication with its customers to ensure their project's success.

DSTI's swivel joints are exclusively developed to meet the requirements for today's leading solar field equipment companies.

Swivels For Solar Field Piping Systems

Swivel Joint Solutions for Concentrated Solar Power (CSP)

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Designed for high temperatures and high pressure - DSTI's swivel joints provide rotational movement to heat transfer fluid (HTF) collector piping in parabolic trough Concentrated Solar Power (CSP) systems. Used in conjunction with flexible hoses, DSTI's swivel joints reduce the risk of system fluid leaks - requiring less maintenance and the need for replacement parts.


DSTI's swivel joints offer the latest technology being developed in next generation CSP systems - delivering a solution that can absorb the rotations and axial motions of today's largest parabolic troughs.

Solar Field Piping Swivel Joint Features

  • All 321 Stainless Steel Construction for Corrosion Resistance & High-temp Capability
  • High-temp Packing Sealing System Compatible w/ Corrosive Media
  • External Seal Activation - Compensates for Seal Wear Over Time
  • Designed for Direct Welding to Piping System - No Need to Disassemble for Welding
  • Internal, Corrosion-resistant Bearings Designed to Account for Misalignment & Side Loads
  • Internal Axial Clearance Allow Pipe Expansion / Contraction as Temperatures Change
  • High Temperature Design for 1,000° F (535° C)
  • Standard Flow Passage Sizes up to 3" (76 mm) - (Larger Sizes Available Upon Request)
  • Specialized Designs for Direct Integration into Customer Equipment


For more information on swivel joint solutions
for Concentrated Solar Power, please Contact DSTI



{ See Also Alternative Energy Rotary Unions & Swivel Joints }