Rotary Joints

Kadant Johnson Enhances Rotary Joint for Steam and Hot Oil Applications
Rotary Joints

Kadant Johnson Enhances Rotary Joint for Steam and Hot Oil Applications

Three Rivers, Mich., January 6, 2009 - Kadant Johnson Inc., a subsidiary of Kadant Inc., recently redesigned its self-supported EL (Extended Life) series rotary joint line to offer easier handling, fewer components, and optimized seal geometry for thermal oil applications. According to Greg Wedel, president of Kadant Johnson Inc., The enhancements made to this rotary joint line were intended to...

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NEW! Rotary Union with Integrated Leakage Sensor
Rotary Joints

NEW! Rotary Union with Integrated Leakage Sensor

Advanced Machine & Engineering Co. (AME) Rockford, IL announces two new products from Ott-Jakob Designed like the Ott-Jakob type GD rotary union with permanently sealed surfaces, this newly developed rotary union also offers an integrated sensor that monitors leakage. The new rotary union with leakage sensor, along with our analog position monitoring sensor, offers you constant control of your...

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Rotating Unions suit machine tool applications.
Rotary Joints

Rotating Unions suit machine tool applications.

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.

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Rotary Union is suited for water-cooling applications.
Rotary Joints

Rotary Union is suited for water-cooling applications.

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...

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Rotary Union suits water and thermal oil service.
Rotary Joints

Rotary Union suits water and thermal oil service.

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...

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Rotary Unions are designed for optimized coolant flow.
Rotary Joints

Rotary Unions are designed for optimized coolant flow.

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...

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DSTI Designs Specialized Stainless Steel Rotary Union for High-Speed Water Service
Rotary Joints

DSTI Designs Specialized Stainless Steel Rotary Union for High-Speed Water Service

MINNEAPOLIS, Minn. - December 5, 2007 - DSTI recently designed a specialized stainless steel rotary union for an offshore cooling system application. The rotary union was engineered to transfer supply/return cooling water to equipment that rotates up to 500 rpm. It features a 2-passage design, with 2.0" NPT inlets. About DSTI -- Dynamic Sealing Technologies, Inc. (DSTI) specializes in the design,...

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Rotary Joints

DSTI Provides Large Rotary Union Assemblies for Energy Sector

MINNEAPOLIS, Minn. - July 12, 2007 - Dynamic Sealing continues to be a leading supplier of large custom rotary union assemblies to the energy sector. The design shown has (6) passages with 2" flow channels. It was designed to transfer hydraulic fluid at 5000 psi while rotating at up to 20 RPM. It is designed to operate outdoors in extreme environments, with temperatures ranging from -40 degrees F...

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Rotary Union features integrated leakage sensor.
Rotary Joints

Rotary Union features integrated leakage sensor.

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.

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Rotary Unions feature slip rings with gold-on-gold contacts.
Rotary Joints

Rotary Unions feature slip rings with gold-on-gold contacts.

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...

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