Asahi/America
Malden, MA 02148
Aug 25, 2009 With ABS to Air Pro(TM) Transition Union, companies can change over from existing ABS compressed air piping system to PE100 Air-Pro(TM) compressed air piping system without taking down entire line. Air Pro(TM), which is impervious to synthetic and mineral compressor oils, is also Cal-OSHA approved for compressed air applications. Available in ½-2 in. nominal pipe sizes, transition union is made from combination of high-grade black ABS and PE100 resin.

HASCO Hasenclever GmbH + Co KG
Ludenscheid D-58513  Germany
Jul 07, 2009 With Z1680/... downtime due to coupling of ejector system to molding machine for frequent mould changes is reduced. Activated pneumatically, solution locks coupling rod mechanically and without continued assistance of compressed air. Two variations are available: Z1681/... ready for assembly with threaded stem, and Z1682/... with length that can be determined by customer and provided with thread. Other features include optical location aid on rods and tensile forces up to 80 KN.

Kadant Johnson, Inc.
Three Rivers, MI 49093
Jul 06, 2009 Designed for applications with rotating pipe and 2 flow passages, SNX self-supported rotary joint features convex seal ring, rotating horizontal pipe, and 2 carbon graphite support bearings that are widely-spaced to support joint. It is available with 1 in. threaded or quick-release flange nipple connection and is rated for up to 500°F, 300 psig, and 450 rpm for steam service. Joint can also be applied to thermal oil applications up to 650°F and 150 psig.

Kadant Johnson, Inc.
Three Rivers, MI 49093
Mar 09, 2009 Rated up to 500°F, 200 psig, and 3,500 rpm, RX Rotary Union is suited for high-temperature thermal oil applications. Tapered roller bearings support large radial and thrust loads, while bearing isolation barrier in seal chamber prevents moisture and contamination from entering bearing area. Available in sizes from 3/8 to 6 in. and in single- and dual-flow configurations, union also includes stainless steel springs located outside flow area and integral flange.

Colder Products Co.
St. Paul, MN 55114
Jun 13, 2008 Available in acetal with Buna-N o-rings, 316 stainless steel valve springs, and with automatic shutoff capabilities, BreakAway(TM) Coupling enables user to break connection without depressing latching mechanism for automatic, rapid disconnection when needed. They are offered in in-line and panel mount styles with ¼ and 3/8 in. hose barb terminations. Max pressure rating is 20 psi and temperature range is 0-150°F.

Deublin Company
Waukegan, IL 60085-6747
May 20, 2008 Designed to transmit various media for clamping and unclamping applications, Rotating Unions feature 2 independent passages and balanced mechanical seals. Closed seals provide continuous containment of media, while dual precision ball bearings with labyrinth protection allow smooth, high-speed operation.

Kurt Mfg. Co. Hydraulics
Lyman, NE 69352
May 01, 2008 Featuring tight crimp seal and rugged corrosion resistance, Spiral Hose and Couplings include precision machined internal ferrule that crimps and tightly locks into any type of spiral hose for secure, leak-proof fit. Finished with RoHS compliant trivalent Chromium-6 free process, units are available in 550 standard sizes and end configurations including JIC, O-ring, Pipe, Metric, and are intended for non-skive SAE 100 R12, R13, 4SH, and R15 applications.

Kadant Johnson, Inc.
Three Rivers, MI 49093
Apr 21, 2008 Constructed with SS and bronze components, Over-The-Shaft (OTS) Rotary Union is custom-designed for machinery that requires cooling on drive side of driven rolls and for rolls that cannot accept axially-mounted rotary union. Mechanical seal version handles high speed applications up to 750 rpm, while soft seal version with Quad-Seal o-ring and thrust washer suits slower speed applications. Rated up to 220°F and 150 psi, OTS can be applied to hydraulic oil/air applications.

Kadant Johnson, Inc.
Three Rivers, MI 49093
Feb 12, 2008 Capable of intermittent dry running, RX Rotary Union features on-machine seal replacement, tungsten carbide counter seat, SS springs located outside flow area, and integral flange for rigid mounting. Optional isolation barrier in seal chamber extends bearing life. Available in sizes from 3/8-6 in. and in single- or dual-flow configurations, union is rated up to 500°F, 200 psig, and 3,500 rpm.

Advanced Machine & Engineering Co.
Rockford, IL 61103
Feb 04, 2008 Rated for 24,000 rpm max spindle speed and 80 bar max coolant pressure, OTT-Jakob GDR single-passage rotary unions are designed for OTT-Jakob power drawbars found in machine tools with high-speed spindle and in which machine tool feeds coolant through single passage to tool. Designed to fit small unclamp units, GDP unions have hybrid bearing, balanced design, and closed sealing surface. Max spindle speed is 75,000 rpm, and max coolant pressure is 80 bar.

PIRTEK USA
Rockledge, FL 32955
Jul 18, 2007 Manufactured with ¼ in. NPT female threads on each end, PIRTEK Air Coupling PAC-20 and PIRTEK Air Probe PAP-20 are rated to 300 psi. Couplings can be used by all sectors of industry, from automotive repair shops to large manufacturing facilities. More specifically, couplings are suitable for connecting air tools and air hoses to facilities compressed air system.

Advanced Machine & Engineering Co.
Rockford, IL 61103
Sep 12, 2006 Designed with permanently sealed surfaces, Rotary Union offers constant control of clamping system, preventing damage to system or spindle. Unit features max speed of 36,000 rpm, max coolant pressure of 80 bar, and max cleaning air of 10 bar. Maximum air pressure after confirmation is 5 bar and filter porosity is less than 50.

Rotary Systems, Inc.
Anoka, MN 55303
Feb 01, 2006 Offered in various sizes with up to 12 passages, rotary unions feature dual deep groove sealed radial ball bearings, hardened and ground shafts, Teflon seals, and plating. Units are offered with electrical slip ring option in 6, 12, 18, 24, 36, and 56 circuit configurations. Suitable for transfer of fluids, gasses, and electrical power, slip rings include precision ball bearings and color-coded insulated lead wires in 12, 24, 36, and 48 in. lengths.

Duff-Norton
Charlotte, NC 28241 7010
Jan 13, 2006 Offered in ¼-3 in. sizes, 1900 Series is designed to provide rotating seal between fluids and revolving roll or drum. It is suited for high-pressure applications and operates in temperatures up to 248°F. Available with nickel treated carbon steel construction as well as stainless steel construction, product employs double acting thrust bearing and bronze bushing. Commonly conducted media includes water, hot oils, chemicals, hydraulics, and air.

Kadant Johnson, Inc.
Three Rivers, MI 49093
Dec 12, 2005 Available for machine tool industry, Type G precision unions feature mechanical seal with laser etching on seal face that minimizes friction and delivers ability to increase rotational speed without causing decreases in seal life. Precision rotary union may be used with coolant, air, and hydraulic oil on transfer lines, gun drills, and spindle applications at speeds exceeding 50,000 rpm. Other applications include engine and transmission plants, CNC machines, and clutches.

Bridgeport Fittings, Inc.
Stratford, CT 06497
Nov 29, 2005 Raintight Compression connectors and couplings as well as PVC jacketed MC connectors and couplings are completely assembled, UL-listed, steel (½-2 in.) and zinc (½-4 in.) fittings. Connectors feature knockout gasket that prevents water seepage into box, while connectors and couplings utilize plastic sealing rings that protect water from entering conduit. PVC-jacketed MC cable connector is available in zinc die cast and zinc die cast with insulated throat rated to 90°C.

Stafford Mfg. Corp.
Wilmington, MA 01887
Nov 04, 2005 Machined from steel or stainless steel, Stepped Bore Couplings feature 8 hex type clamp screws that provide holding power required for high-load applications. They come in 1- and 2-piece designs, with- or without keyways, as well as straight-through styles in 1-, 2-, and 3-piece configurations. Products connect shafts from ¼-2 in. bore, including inch-to-metric combinations, and will not mar shafts.

Falk Corporation
Milwaukee, WI 53208
Jun 22, 2005 Wrapflex non-lubricated coupling is optimized for use on NEMA and ISO motor frames. It allows replacement of element moving the connected equipment, reducing service downtime. Combination of compression design, misalignment capacity, and vibration damping enables smaller size couplings to be utilized in many applications.

Duff-Norton
Charlotte, NC 28241 7010
May 12, 2005 Able to conduct water, hot oil, steam, chemicals, and air media, HPMC Series MultiPort Rotary Union accommodate 2–8 ports, each of which is individually sealed to eliminate crosstalk between channels. Device provides rotating seal between fluids and revolving roll or drum. Once clamped, slotted rotating disk remains in-place regardless of rotation. Operating parameters range up to 250°F, 5880 psi, and 180 rpm, and port sizes range from 1/8–1¼ in.

Dynamic Sealing Technologies, Inc.
Andover, MN 55304
Mar 22, 2005 Custom rotary union/electrical slip ring assembly carries Class 1, group C explosion-proof certification for hazardous locations. Rated to 1,000 psi, rotary union features all-stainless steel construction for use in washdown environment. It incorporates DynaSeal Teflon seals; three ¾ in. NPT flow passages that feed into common passage in housing; and 16, ¼ in. NPT connections to feed individual stations on equipment.