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Rotary Unions — Rotary unions and rotary joints that seal and transfer air, fluid and hydraulic media to rotating equipment.
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Rotary Unions

A rotary union (rotary joint) is a sealing component that transfers pressurized air, coolant, hydraulic oil, chemical media, water or steam from a stationary source to a rotating piece of equipment without leakage. IMB Electric supplies DSTI standard single-passage and multi-passage rotary union families to the Turkish market, covering everything from low-pressure pneumatic applications to 20,000 PSI hydraulic systems, food-grade CIP lines to heavy off-road equipment. All models come with stainless steel shafts, hardened bearings and proprietary sealing technology; application-specific engineering is available on request.

BRANDS IN CATALOG

DSTI
Brands
1
Models
123
Series
8
Response
≤ 24 hours
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SECTION · 04ROTARY-UNIONS · SERIES

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8 SERIES · 123 MODELS
GP Series Multi-Passage General-Purpose Rotary Union
DSTI
42 MODELS

GP Series Multi-Passage General-Purpose Rotary Union

2-12 passage general-purpose rotary union — 7,500 PSI, 500 RPM, independent flow passages

length
3.347–15.37 " [85.014 mm]
diameter
2.437–7.187 " [61.9 mm]
connection
1–3 /8"-27 NPT [G1/8"-28 BSPP]
GPS Series Multi-Passage Unidirectional Rotary Union
DSTI
42 MODELS

GPS Series Multi-Passage Unidirectional Rotary Union

Multi-passage rotary union for chemical, DI/tap water and general use — 7,500 PSI, 500 RPM

length
3.347–15.37 " [85.014 mm]
diameter
2.437–7.187 " [61.9 mm]
connection
1–3 /8"-27 NPT []
LT Series Multi-Passage Lightweight Rotary Union
DSTI
9 MODELS

LT Series Multi-Passage Lightweight Rotary Union

2-24 passage all-aluminum construction — air, gas and vacuum, 600 PSI, 500 RPM

length
2.596–14.07 " [65.939 mm]
diameter
2.187–4.438 " [55.55 mm]
connection
1–3 /8"-27 NPT [Rc1/8"-28 BSPT]
HPS Series High-Pressure Multi-Passage Rotary Union
DSTI
8 MODELS

HPS Series High-Pressure Multi-Passage Rotary Union

All-stainless multi-passage rotary union up to 20,000 PSI for marine and offshore

length
5.01–28.13 " [127.254 mm]
diameter
3.437–5.438 " [87.3 mm]
connection
3/8" OD, 9/16"-18 UNF Medium Pressure []
SE Series High-Pressure Single-Passage Rotary Union
DSTI
7 MODELS

SE Series High-Pressure Single-Passage Rotary Union

High-pressure single-passage rotary union up to 7,500 PSI — hydraulic, coolant, water/glycol

length
3.562–21.97 " [90.475 mm]
diameter
2.937–4.437 " [74.6 mm]
connection
#4 SAE-ORB [G1/8"-28 BSPP]
SCS Series Sanitary Food-Grade Rotary Union
DSTI
7 MODELS

SCS Series Sanitary Food-Grade Rotary Union

Tri-Clamp connected, FDA-compliant single-passage rotary union for CIP systems

length
3.95–7.43 " [100.2 mm]
diameter
2.69–8.94 " [68.3 mm]
connection
1–4 /4" Type A ASME-BPE
SPS Series 1-Passage Rotary Union
DSTI
4 MODELS

SPS Series 1-Passage Rotary Union

Compact, lightweight single-passage rotary union for air/gas — 600 PSI, 500 RPM

length
2.38–3.69 " [60.5 mm]
diameter
1.5–3.94 " [38.1 mm]
connection
1–2 /4"-18 NPT
HVH Series Heavy-Duty Multi-Passage Rotary Union
DSTI
4 MODELS

HVH Series Heavy-Duty Multi-Passage Rotary Union

4-6 passage heavy-duty rotary union with large-diameter passages, 5,000 PSI / 20 RPM

length
7.49–13.39 " [190.246 mm]
diameter
5.19–7.94 " [131.826 mm]
connection
8–16 #8 SAE-ORB []
CERTIFICATIONS & STANDARDS
  • IEC 60947-4-1
  • UL 508
  • CE
  • EAC
  • RoHS
  • REACH