Industry Solutions Machine Tool

DSTI's Fluid Rotary Unions for Machine Tool Applications

We provide fluid sealing solutions for machine tool applications.

Designed for high pressure and high speed service, DSTI’s proven rotary unions (joints) meet the demands of today’s advanced machine tool workholding and lathe chuck applications. Single and multiple-flow passage designs provide a flexible and cost-effective solution for reliable sealing and transfer of oil, air, coolant, and other media types.

DSTI's Machine Tool Fluid Rotary Unions for Rotary Table & Workholding Systems
DSTI's Machine Tool Fluid Rotary Unions for Hydraulic & Pneumatic Lathe Chucks

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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