HVH Series
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High Volume, Corrosion Resistant Rotary Unions HVH Series FLOW PASSAGE OPTIONS

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 10 Electrical Slip Ring Integration Options 11 Capsule Slip Ring Protective Cap Dimensions 12 Through Bore Slip Ring Dimensions 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...

HVH 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...

HVH Series Overview Suitable For Vacuum & Bidirectional Pressures Up To 5,000 PSI Large Flow Passages & Increased Flow Volume Heavy-Duty Alloy Steel/Ductile Iron Construction Corrosion Resistant Black Oxide Surface Treatment Electrical Slip Ring Options Available Aluminum Slip Ring Cover Option To Protect Capsule Slip Ring In Harsh Environments Nylon Cord Grip Standard When Using Slip Rings The HVH Series multiple-passage rotary unions are available in 4 and 6 flow passages. Designed for applications requiring high flow volume at low rotational speeds, the HVH Series has large diameter flow...

HVH Series How to Order: Create your Part Number HVH OPTIONS See Next Page NOTE All HVH Series rotary unions include an open bore to allow electrical wires to pass through it. #8 SAE-ORB (3/4"-16 UNF) Connections 0.44" (11.1mm) Flow Passages #16 SAE-ORB (1-5/16"-12 UN) Connections 0.88" (22.2mm) Flow Passages Product Series PART NUMBER CONFIGURATIONS HVH-304041 ■  4-Passage with #8 SAE-ORB (3/4"-16 UNF) Connections HVH-306041 ■  4-Passage with #16 SAE-ORB (1-5/16"-12 UN) Connections HVH-304061 ■  6-Passage with #8 SAE-ORB (3/4"-16 UNF) Connections HVH-306061 ■  6-Passage with #16 SAE-ORB...

HVH Series How to Order: Choose your Options HVH OPTIONAL ELECTRICAL SLIP RINGS1 8 - 51 Circuits 240 Volts Ethernet ESMx ESTx Optional Cap For Capsule Slip Rings (ES, ESE and ESM) HVH + CAPSULE SLIP RING EXAMPLE HVH-304041-ESE2124-C ■  4-Passage model with HVH thru-bore, #8 SAE-ORB connections and an ESE2124 ethernet slip ring plus optional protective aluminum cap See Electrical Slip Ring Options on page 10 for full specs 600V max on 16 AWG power circuits, 240v maximum on Ethernet cable. HVH + THRU-BORE SLIP RING EXAMPLE HVH-306061-ESET184 ■  6-Passage with HVH thru-bore, #16 SAE-ORB...

HVH Series Specifications & Operating Information Retaining Ring Housing Ring Guide Seals Shaft Flow Passage Options Media Types Connection Size Passage Size Max. Operating Pressure Max. Vacuum Operating Temperature Body Material Type Platings and Coatings Alloy Steel, Ductile Iron Black Oxide Slip Ring Options Mounting Options 1 2 3 4 Full line of standard electrical slip rings and custom options available. See page 10 Tapped holes on the ends of the shaft and housing 4 Values are dependent on a combination of all application parameters. Please consult with DSTI. High temperature...

BASE ROTARY UNION WEEP PORT LUKE JOHNSON NOTES: 1. ROTARY UNION WILL BE ROTATED FOR SEAL BREAK-IN AND STATIC AIR TESTED. 2. MEDIA MUST BE FILTERED, CLEAN AND FREE OF ABRASIVE 6 8 CONTENT OR REDUCED ROTARY UNION LIFE WILL RESULT. 7 3. SEE SHEET 2 THRU 5 FOR PRODUCT OPTIONS. 8 THIS DOCUMENT CONTAINS INFORMATION WHICH IS PROPRIETARY TO DYNAMIC SEALING TECHNOLOGIES, INC. (DSTI). NO REPRODUCTION OR PUBLICATION OF THIS DOCUMENT OR ITS CONTENTS, IN WHOLE OR PART, SHALL BE MADE WITHOUT THE 5 WRITTEN CONSENT OF DSTI. MACHINED SURFACES REMOVE ALL SHARP CORNERS AND BURRS RADII/CHAMFERS UNLESS SHOWN =...

BASE ROTARY UNION D NOTES: 1. ROTARY UNION WILL BE ROTATED FOR SEAL BREAK-IN AND STATIC AIR TESTED. 2. MEDIA MUST BE FILTERED, CLEAN AND FREE OF ABRASIVE CONTENT OR REDUCED ROTARY UNION LIFE WILL RESULT. 6 8 7 3. SEE SHEET 2 THRU 5 FOR PRODUCT OPTIONS. 8 THIS DOCUMENT CONTAINS INFORMATION WHICH IS PROPRIETARY TO DYNAMIC SEALING TECHNOLOGIES, INC. (DSTI). NO REPRODUCTION OR PUBLICATION OF THIS DOCUMENT OR ITS CONTENTS, IN WHOLE OR PART, SHALL BE MADE WITHOUT THE 5 WRITTEN CONSENT OF DSTI. MACHINED SURFACES REMOVE ALL SHARP CORNERS AND BURRS RADII/CHAMFERS UNLESS SHOWN = .016 MAX. GEOMETRIC...

HVH Series Electrical Slip Ring Integration Options Ethernet Slip Rings Available 100 BaseT & 1000 BaseT Ethernet Connections High-Quality, Gold-on-Gold Contacts Capsule & Thru-bore Options Low Electrical Noise Analog/Digital Transfer Nylon Cord Grip Comes Standard Compatible With a Range of Data Bus Protocols AVAILABLE SLIP RINGS1 # OF CIRCUITS Ethernet Only Ethernet Only All slip ring lead wire lengths are 48” (1219mm) EST / ESET slip rings are 36" (914mm) 2 100 BaseT Ethernet connections 3 1000 BaseT Ethernet connections 4 In order to successfully transfer digital data signals, a variety...

HVH Series Capsule Slip Ring Integration OPTIONAL SLIP RING (ES, ESE, ESM SERIES) WIRE LEAD LENGTH FROM EXIT OF ROTARY UNION B WIRE LEAD LENGTH STANDARD NYLON CORD GRIP OPTIONAL SLIP RING CAP OPTIONAL SLIP RING (ES, ESE, ESM SERIES) OPTIONAL SLIP RING CAP WIRE LEAD LENGTH FROM EXIT OF ROTARY UNION 2X STANDARD NYLON CORD GRIP WIRE LEAD LENGTH FROM EXIT OF ROTARY UNION * Wire lengths are approximations. Dynamic Sealing Technologies, Inc | phone 866.700.3784 | web www.dsti.com | store store.dsti.com