We provide fluid sealing solutions that deliver the cost-efficiency, quality and reliability demanded by today’s metal production operations.
Whether building new systems or modernization old, DSTI's rotary unions utilize the latest in high performance seal materials for high durability under the toughest operating conditions. We design our fluid rotary union products to fit seamlessly into your equipment and meet your exact project's requirements delivering superior service life and minimizing operational costs.
Fluid Sealing Solutions
Fluid Sealing Solutions Coil Processing Equipment
DSTI's heavy-duty hydraulic rotary union and rotating cylinder products provide reliable solutions for expanding mandrel tension reels and grippers used in coil processing applications. We offer standard in-stock and custom products with options for integrating rotary unions, electronic positioning sensors, and hydraulic cylinders for a complete rotary cylinder assembly solution.
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Fluid Sealing Solutions Ladle Turret Systems
Steel mills and recyclers rely on ladle turrets for the handling of the molten steel. Designed for rugged-duty environments, DSTI's robust hydraulic and coolant rotary union products for ladle turret systems provide a reliable, maintenance-free solution reducing system downtime for uninterrupted casting operations.
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
DSTI's Engineering team leverages years of experience and a deep knowledge of engineering ...
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Project Management
Regardless of the scale or complexity of a project, our Project Management team will ensur...
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CNC Precision Machining
DSTI's advanced CNC machining centers offer the highest in quality, speed and consistency....
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Welding & Fabrication
DSTI's certified welding team specializes in complex structural assemblies and high pressu...
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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
With cutting edge products in nearly every industry, DSTI's Inspection and Quality team mo...
Learn MoreRecent 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
