Water rotary union HPS 4
for oil4-passagehydraulic

water rotary union
water rotary union
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for water, for oil
Number of passages
hydraulic, high-pressure, for transfer, for offshore applications, for coiled tubing, for oil industry applications, for the gas industry, drillship, maritime industry
stainless steel

Max.: 1,375 bar (19,943 psi)

Min.: 0 bar (0 psi)

Rotational speed

Max.: 50 rpm (314 rad.min-1)

Min.: 0 rpm (0 rad.min-1)


DSTI 4-passage HPS Series rotary unions feature four independent flow passages and a specialized sealing system capable of handling pressures up to 20,000 PSI [1,375 BAR]. HPS 4-passage models feature standard medium pressure housing connections, O-ring gland shaft connections, and an all-stainless steel construction for harsh marine and offshore environments. If needed, DSTI can make modifications to meet application-specific requirements including changes to the HPS Series mounting configuration, connections, sealing system, and housing or shaft dimensions.


HPS Series
HPS Series
18 Pages
*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.