Onshore Oil & Gas Solutions Coiled Tubing Systems
We provide rotary union and swivel joint solutions for coiled tubing applications.
Designed for rugged-duty and high pressure well intervention - DSTI's rotary unions deliver reliable fluid transfer for coiled tubing applications such as cleanouts, circulation, hydraulic fracturing, acid stimulation, cementing, and drilling.
As a global leader in specialized swivel joint and rotary union products, DSTI's fluid sealing solutions provide options for direct OEM replacements and as well as complete specialized designs built to customer specifications and applicable standards.
Fluid Sealing Solutions
Fluid Sealing Solutions Fracking & Drilling Mud Systems
DSTI's single flow passage swivel joints provide reliable fluid transfer needed for demanding fracking operations. Specialized seals capable of handling abrasive and corrosive media and a robust roller thrust/angular contact bearing combination system provide dependable performance - minimizing service and repair downtime.
Fluid Sealing Solutions Service Reel Applications
Designed for high pressure hydraulic fluids, DSTI’s multiple flow passage rotary unions provide reliable fluid transfer needed for winding and releasing of continuous lengths of coiled tubing during workover, drilling and well completion operations. Our fluid products are trusted by leading CT equipment manufactures and are currently in fields operating around the world.
Fluid Sealing Solutions Safety Plug Valves
Designed for distribution of high pressure hydraulic fluid for plug valve activation used in safety systems in onshore oilfield equipment, DSTI's fluid swivel & rotary union products include specialized, shaft-mounted designs and integrated crosstalk protection.
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
