Industry Solutions Heavy Equipment

DSTI's Fluid Swivel Joints for Heavy Equipment Applications

DSTI's fluid sealing products deliver precision & durability for demanding heavy equipment applications.

Whether you are a large corporation looking to integrate our products into a fleet of vehicles or just in need of replacing a wore-out part or two, DSTI produces the most dependable and advanced swivel joints (rotary unions) in the industry.

Standard (off-the-shelf) and custom, single and multiple-flow passage designs provide a flexible and cost-effective solution meeting your exact fluid, operating pressure, speed, and spatial requirements for each unique application.

DSTI's Heavy Equipment Fluid Swivel Joints for Construction, Agriculture & Forestry Equipment
DSTI's Heavy Equipment Swivel Joints for Underground & Surface Drilling Equipment
DSTI's Heavy Equipment Fluid Swivel Joints for Fixed & Mobile Cranes

In-House Capabilities & Services

From design to delivery to in-field product service and support, our dedicated team will be involved at every step in helping you reach your project goals.

Engineering, Simulation & Verification Capabilities

Engineering & Simulation

DSTI's Engineering team leverages years of experience and a deep knowledge of engineering ...

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Project Management Capabilities

Project Management

Regardless of the scale or complexity of a project, our Project Management team will ensur...

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CNC Precision Machining Capabilities

CNC Precision Machining

DSTI's advanced CNC machining centers offer the highest in quality, speed and consistency....

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Welding & Fabrication Capabilities

Welding & Fabrication

DSTI's certified welding team specializes in complex structural assemblies and high pressu...

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Assembly, Testing & Qualification Capabilities

Assembly, Testing & Qualification

All products are assembled and tested by DSTI's team of trained technicians using custom d...

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Inspection & Quality Management Capabilities

Inspection & Quality Management

With cutting edge products in nearly every industry, DSTI's Inspection and Quality team mo...

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Recent Projects

Providing custom solutions is what we do best! Explore DSTI's wide-ranging experience in custom fluid sealing solutions by using the recent projects filter below.

Max. Pressure Select
  • Vacuum
  • 0 - 199 PSI [0 - 14 BAR]
  • 200 - 6,499 PSI [14 - 448 BAR]
  • 6,500 PSI [448 BAR] & Over
Max. Speed Select
  • 0 - 24 RPM
  • 25 - 99 RPM
  • 100 RPM & Over
Flow Passages Select
  • 1 Passage
  • 2 Passages
  • 3 Passages
  • 4 - 5 Passages
  • 6 - 7 Passages
  • 8 - 12 Passages
  • 13 Passages & Over
  • None
Flow Passage Size Select
  • Under 0.125" [3.18 mm]
  • 0.125" - 0.249" [3.18 mm - 6.32 mm]
  • 0.250" - 0.374" [6.35 mm - 9.50 mm]
  • 0.375" - 0.499" [9.53 mm - 12.67 mm]
  • 0.500" - 0.749" [12.70 mm - 19.02 mm]
  • 0.750" - 0.999" [19.05 mm - 25.37 mm]
  • 1.000" - 1.999" [25.40 mm - 50.77 mm]
  • 2.000" [50.80 mm] & Over
Media Type Select
  • Chemical
  • Coolant
  • Cryogenics
  • Food-Grade
  • Gas
  • Mud
  • Oil
  • Steam
  • Water
  • Other
Material Type Select
  • Aluminum
  • Brass
  • Bronze
  • Carbon / Alloy Steel
  • Stainless Steel
  • Other
Through Bore Select
  • Under 1" [25.4 mm]
  • 1.0" - 2.9" [25.4 mm - 73.7 mm]
  • 3.0" - 5.9" [76.2 mm - 149.9 mm]
  • 6.0" - 9.9" [152.4 mm - 251.5 mm]
  • 10.0" - 11.9" [254.0 mm - 302.3 mm]
  • 12.0" - 23.9" [304.8 mm - 607.1 mm]
  • 24.0" - 35.9" [609.6 mm - 911.9 mm]
  • 36" [914.4 mm] & Over
  • None
Options Select
  • Crosstalk Protection
  • Drive Mechanism
  • Encoder / Rotary Sensor
  • Explosion Proof
  • External Cooling
  • Fiber Optic Joint
  • Load Bearing
  • Slip Ring
  • Value Added Components
Environment Select
  • Atmosphere / Space
  • Cleanroom
  • Explosive
  • Indoor
  • Offshore
  • Outdoor
  • Washdown
Industry Select
  • Aerospace
  • Alternative Energy
  • Heavy Equipment
  • Defense
  • Factory Automation
  • Food & Beverage
  • Machine Tool
  • Marine
  • Medical
  • Metal Production
  • Oil & Gas
  • Plastic Molding
  • Semiconductor

Get Started

Let's talk about your project. Our experts are here for you!

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