Rotary Joints

DSTI to Showcase Offshore & Subsea Fluid Swivels at Subsea Tieback 2012
Rotary Joints

DSTI to Showcase Offshore & Subsea Fluid Swivels at Subsea Tieback 2012

MINNEAPOLIS, Minn. - DSTI will be exhibiting at the annual Subsea Tieback Forum & Exhibition (SSTB) March 6-8, 2012 in Galveston, TX. The company will be showcasing its latest fluid swivel products for offshore and subsea oil and gas applications. We are very excited to exhibit at SSTB for the first time, said DSTI Vice President of Sales, John Knoll. Our continued growth and experience with both...

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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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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 500Â-

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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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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, TeflonÂ-® 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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Rotary Joints

Precision Unions suit through-spindle coolant applications.

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...

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