Industry Solutions Heavy Equipment
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.
Fluid Sealing Solutions
Fluid Sealing Solutions Construction, Agriculture & Forestry Equipment
Designed for distribution of hydraulic power, DSTI's swivel joint (rotary union) products provide a reliable and low-maintenance solution for heavy equipment used in construction, agricultural and forestry applications.
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Fluid Sealing Solutions Underground & Surface Drilling Equipment
Mining and drilling operators demand dependable hydraulic and pneumatic power to keep their equipment running strong - job after job. DSTI's rotary unions are uniquely designed to meet customer requirements and are built for superior performance under harsh operating conditions including high impact, high vibration applications.
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Fluid Sealing Solutions Fixed & Mobile Cranes
In today's world, cranes play a crucial role for many industries. One of the most expensive parts of crane repair is loss of operating income that results when a crane is out of service. DSTI's proven fluid sealing technology is trusted by leading crane manufacturers to deliver reliable solutions for reduced maintenance costs and improved efficiency and safety.
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
