SE Series
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High-Pressure, Compact Rotary Unions SE Series FLOW PASSAGE OPTIONS Dynamic Sealing Technologies, Inc | phone 866.700.3784 | web www.dsti.com | store store.dsti.com

About DSTI What is a Rotary Union? Dynamic Sealing Technologies, Inc. (DSTI) serves a wide range of global industries as a leader in engineered fluid sealing and transfer solutions for rotating applications. Specifications & Operating Information Performance Data Customer Interface using O-Ring Seal Connection Electrical Slip Ring Integration Options Installation & Mounting DSTI core business segments are fluid rotary unions, electrical slip rings, and value-added products and services―providing customers with a single-source solution from design and manufacturing through to testing and...

SE Series What is a Rotary Union? A rotary union (or swivel joint) is a mechanism used to transfer fluid (under pressure or vacuum) from a stationary inlet to a rotating outlet, preserving and isolating the fluid connection. Rotary unions are engineered to endure a wide range of temperatures and pressures for a variety of conditions and environments. In addition, rotary unions may integrate multiple passages and handle different types of fluid simultaneously. See examples at www.dsti.com/industries HOW DO I CHOOSE THE BEST ROTARY UNION FOR MY APPLICATION? Tell us about your requirements so we...

SE Series Overview Compact Design High Pressure Requirements Up To 7500 PSI Vacuum & Bidirectional Sealing #4 SAE-ORB / O-ring Face Seal Connections Exclusive DSTI Sealing Technology Integrated Electrical Slip Ring Options Custom Modifications Available The SE Series multiple passage rotary unions are available in 2, 4, 6, 8, 12, 16 and 24 passage models. These rotary unions are designed for applications with high pressure and limited space requirements. Features include specialized seals suitable for vacuum and bidirectional pressures up to 7,500 PSI [515 BAR] and independent flow passages...

SE Series How to Order: Create your Part Number SE OPTIONS See Next Page With Thru-bore NOTE All SE Series rotary unions include thru-bores PART NUMBER EXAMPLES SE-1121 ■ SE 2-Passage with thru-bore, #4 SAE-ORB Connections SE 12-Passage with thru-bore, G1/8" -28 BSPP Connections SE 24-Passage with thru-bore, #4 SAE-ORB Connections SE Series (#4 SAE-ORB Connection) SEM SEM (Metric) Series (BSPP Connection) O-RING FACE SEAL GLAND CONNECTIONS If your application requires flush mounting the rotary union using the face of the shaft, optional O-ring face seal gland connections are available....

SE Series How to Order: Choose your Options 1 Housing Mounting Flange Add “OF" for Optional Shaft O-ring Face Seal Gland Connections Shaft Mounting Flange OPTIONAL ELECTRICAL SLIP RINGS1 8 - 51 Circuits 240 Volts Ethernet PART NUMBER EXAMPLE NOTE (F1) Housing flange required for slip ring assembly SE 4-Passage, #4 SAE-ORB connections, Optional ES6A Electrical Slip Ring with protective cover (C1) See Electrical Slip Ring Options on page 23 for full specs 1 See Electrical Slip Ring Options on page 23 for full specs PART NUMBER EXAMPLE SE-11121-OF-ES36-F1-F2-C2 ■ SE 12-Passage, #4 SAE-ORB...

SE Series Specifications & Operating Information Retaining Ring Bearing Housing Seals Bearing Shaft Flow Passage Options Media Types Passage Sizes Connection Type Max. Operating Pressure Max. Vacuum Operating Temperature Body Material Type Carbon Steel Black Oxide Thru-bore Size Slip Ring Options Mounting Options Tapped holes are provided on both the housing and shaft for mounting the assembly. See Page 24 Optional carbon steel flange can be bolted onto the shaft end of the assembly for O-ring face mounting. Optional carbon steel housing flange is also available. Suitable Water/Glycol or...

SE Series Performance Data: Pressure vs. Speed (Continuous) 350 SE - 1121 SE - 1141 SE - 1161 SE - 1181 * This data is to be used as a general guideline. Data based on using hydraulic fluid with the product rotating continuously. Please consult DSTI about your specific application. store store.dsti.com | web www.dsti.com | phone 866.700.3784 | Dynamic Sealing Technologies, In

SE Series Performance Data: Pressure vs. Torque PRESSURE PSI (BAR) 1000 (69 BAR) * This data is to be used as a general guideline. Torque data represents the minimum torque required to rotate based on all passages (ports) pressurized with oil/hydraulic media. Required torque to rotate may be greater when using other media types or dry running. For specific torque requirements, please contact DSTI to discuss your application. Dynamic Sealing Technologies, Inc | phone 866.700.3784 | web www.dsti.com | store store.dsti.com

SE Series 2 Flow Passage: Dimensions F ØB ball bearings Reference tolerances listed on the PDF Part Drawing. OPTIONAL O-RING FACE SEAL GLAND CONNECTION C-bore: Ø .375" [9.53mm] Gland: .052" [1.32mm] dp. O-ring: 2-010 Must specify when ordering. Please add “-OF” to the Part Number. (Example: SE-1121-OF) store store.dsti.com | web www.dsti.com | phone 866.700.3784 | Dynamic Sea

SE Series 2 Flow Passage: Optional Equipment OPTIONAL ELECTRICAL SLIP RING COVERS ES, ESE & ESM COVER (C2) Housing Flange Mount (F1) Required optional female pin connector (Add: “-PxF”) slip ring leads 36"-48" [914-1219mm] standard plastic cord grip ØO optional male pin connector (Add: “-PMx”) OPTIONAL SHAFT & HOUSING FLANGE MOUNTS SHAFT FLANGE MOUNT (F2) ØE HOUSING FLANGE MOUNT (F1) 2-012 O-ring [9.25 mm] 2-013 O-ring [10.82 mm] (other side) Same as optional o-ring face connection dimensions on page 10 Reference tolerances listed on the PDF Part Drawing. Dynamic Sealing Technologies, Inc |...

SE Series 4 Flow Passage: Dimensions ball bearings Reference tolerances listed on the PDF Part Drawing. OPTIONAL O-RING FACE SEAL GLAND CONNECTION C-bore: Ø .375" [9.53mm] Gland: .052" [1.32mm] dp. O-ring: 2-010 Must specify when ordering. Please add “-OF” to the Part Number. (Example: SE-1141-OF) store store.dsti.com | web www.dsti.com | phone 866.700.3784 | Dynamic Sea