Industry Solutions Marine
We provide high-performance, reliable fluid sealing solutions for demanding offshore and marine environments.
Challenged by rising operating expenses and increasingly stringent regulations, reducing maintenance and
delivering more cost-efficient operation is critical for today's marine and offshore applications.
DSTI rotary union (swivel joint) products are custom-designed to each unique application's requirements and
applicable certifications. We work side-by-side with our customers to deliver maximum value, provide
innovative solutions, and identify and mitigate risks at the earliest stages - giving you more time to focus
on the overall outcome of your project.
Fluid Sealing Solutions
Fluid Sealing Solutions Dredging & Marine Excavation
DSTI's swivel joints (bends) allow 360° rotation, providing more flexibility of discharge pipeline flow for marine dredging operations. Designed for transferring media such as slurry, mud, sand, gravel, and rock, DSTI's swivel joints are engineered with specialized abrasive-media-compatible sealing systems to meet the specifications required for today's leading dredging and excavation companies.
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Fluid Sealing Solutions Umbilical Hose Reel Systems
DSTI's fluid sealing solutions for umbilical hose reels are designed to provide operational flexibility for applications requiring reliable winding and releasing of hose and equipment for both offshore and onshore environments. DSTI's standard and custom rotary union products provide a wide range of options for single and multiple flow passages, pressures, flow volume, and fluid + electrical integration.
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Fluid Sealing Solutions Marine Propeller & Propulsion Systems
Designed to directly integrate into propulsion units, DSTI's specialized rotary unions and fluid couplings provided reliable hydraulic and electric power for dynamic positioning adjustments required for safe maneuverability in challenging marine and offshore environments.
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
