DSTI SPSM-5510 Rotary Union

DSTI’s SPSM-5510 rotary union delivers reliable high-flow performance in single-channel fluid transfer systems using Rc3/4"-14 BSPT connections. With a generous 19.05 mm passage size and no through bore, this model is tailored for low-pressure rotating applications requiring BSPT threading. It features a robust form factor—69.85 mm diameter and 79.502 mm length—operating efficiently up to 600 PSI and 500 rpm with minimal torque demand (1.81 Nm).

Technical Specifications
Model #	Connection	Passage Size	Diameter	Length	Through Bore	Minimum Torque
SPSM-5510	Rc3/4"-14 BSPT	19.05 mm	69.85 mm	79.502 mm	None	1.81 Nm
- Number of Ports: 1 - Maximum Pressure: 600 PSI [40 BAR] - Maximum Speed: 500 rpm - Vacuum Rating: 30 HG - Operating Temperature: -18°C to 105°C [0°F to 220°F]
* Minimum torque required to rotate based on zero pressure with oil/hydraulic media. Required torque to rotate may be greater when using other media types or dry running.

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