HPS Series Rotary Unions

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Product Overview
Available in 1, 3, 4, 6, 8, 12 and 16 passage models, HPS Series rotary unions are capable of handling pressures up to 20,000 PSI [1,375 BAR].

All HPS Series models feature a corrosion-resistant, all-stainless steel construction for harsh marine and offshore environmental conditions and corrosive media transfer.

Medium pressure housing connections and O-ring gland shaft connections come standard for HPS Series models, suitable for common applications including umbilical hose reel systems and other high pressure equipment. If needed, we can make modifications to meet each application's specific requirements including changes to the HPS Series mounting configuration, connections, sealing system, and housing or shaft dimensions.
Product Images
Technical Specifications
Description Specification
Max. Pressure¹ 20,000 PSI (1,375 BAR)
Max. Vacuum¹ N/A – Not for use with vacuum
Max. Rotational Speed¹ 50 RPM
Temperature Range¹ 0° F to 220° F (-18° C to 105° C)²
Features
Description Specification
Connection Sizes 3/8" tube - 9/16"-18 UNF, 3/4" tube - 3/4"-14 NPS. Other sizes available upon request.
Connection Type Medium pressure housing connections. O-ring flange mount shaft connections. Optional threaded face connection (O-ring standard).
Plating and Coatings Shaft/Housing: Stainless Steel
Mounting Options The HPS series unions have a unique shaft configuration that consists of individual female tapped passages with an o-ring gland around each for optional flange mounting. There are also tapped holes on the end of the housing for mounting the assembly.
Slip Ring Options Custom options available. Please contact DSTI.
Media Types Air/Gas, Chemical, DI / Tap Water, Oil, Water/Glycol
   

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