Industry Solutions Plastic Molding
We provide high performance fluid sealing solutions for injection and blow molding applications for the plastics industry.
DSTI's specialized, multiple-flow passage rotary unions provide a reliable, custom solution designed to
meet each project's requirements.
We've designed and manufactured fluid sealing products
integrating load-bearing capabilities, high-flow volume, electrical slip rings, space-saving designs, and
crosstalk protection for prevention of cross-contamination between dissimilar media types - all built for
direction integration into new and existing equipment.
Fluid Sealing Solutions
Fluid Sealing Solutions Multi-Shot (Two-Shot) Injection Molding
DSTI rotary unions (rotary joints) play a crucial role in the multi-shot injection molding process, improving production efficiency and reducing overall equipment wear and tear. Designed to integrate directly into new and existing equipment, DSTI's rotary unions provide a reliable solution for supply and return of water for efficient and accurate functioning of cooling system operations.
Fluid Sealing Solutions Extrusion & Rotary Wheel Blow Molding
Designed for continuous-duty, DSTI rotary unions deliver a high-performance solution for water cooling operations required for high output production demanded by today's rotary blow molding technology. Our fluid sealing experts work directly with customers to develop rotary union solutions to meet the exact requirements of each unique application.
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 ...
Learn MoreProject Management
Regardless of the scale or complexity of a project, our Project Management team will ensur...
Learn MoreCNC Precision Machining
DSTI's advanced CNC machining centers offer the highest in quality, speed and consistency....
Learn MoreWelding & Fabrication
DSTI's certified welding team specializes in complex structural assemblies and high pressu...
Learn MoreAssembly, Testing & Qualification
All products are assembled and tested by DSTI's team of trained technicians using custom d...
Learn MoreInspection & 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.
- Vacuum
- 0 - 199 PSI [0 - 14 BAR]
- 200 - 6,499 PSI [14 - 448 BAR]
- 6,500 PSI [448 BAR] & Over
- 0 - 24 RPM
- 25 - 99 RPM
- 100 RPM & Over
- 1 Passage
- 2 Passages
- 3 Passages
- 4 - 5 Passages
- 6 - 7 Passages
- 8 - 12 Passages
- 13 Passages & Over
- None
- 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
- Chemical
- Coolant
- Cryogenics
- Food-Grade
- Gas
- Mud
- Oil
- Steam
- Water
- Other
- Aluminum
- Brass
- Bronze
- Carbon / Alloy Steel
- Stainless Steel
- Other
- 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
- Crosstalk Protection
- Drive Mechanism
- Encoder / Rotary Sensor
- Explosion Proof
- External Cooling
- Fiber Optic Joint
- Load Bearing
- Slip Ring
- Value Added Components
- Atmosphere / Space
- Cleanroom
- Explosive
- Indoor
- Offshore
- Outdoor
- Washdown
- Aerospace
- Alternative Energy
- Heavy Equipment
- Defense
- Factory Automation
- Food & Beverage
- Machine Tool
- Marine
- Medical
- Metal Production
- Oil & Gas
- Plastic Molding
- Semiconductor