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Pressure Range:

Speed Range:

Temperature Range:

Allow up to: overrange/margin
Use the overrange/margin to restrict your search to items whose full-scale range is close to your requirements.
(Overrange/margin requires both 'From' and 'To' values to work.)

Number of Ports:

Application / Media:

Port Size:

Connection:

Port Direction:

Length:

Diameter:

Body Material:

Seal Material:

Slowing Motion?

Dry Running Protection?

Integrated Slip Ring?

Thru-bore?

Help with Rotating Unions specifications:

Operating Parameters
   Pressure Range:       The pressure range the union can operate within. 
   Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
   Speed Range:       The speed range the union can operate within. 
   Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
   Temperature Range:       The temperature range the union can operate within. 
   Search Logic:      User may specify either, both, or neither of the limits in a "From - To" range; when both are specified, matching products will cover entire range. Products returned as matches will meet all specified criteria.
   Number of Ports:       
   Your choices are...         
   1       The union has a single port or channel. 
   2       The union has two ports or channel. It may also be called dual port. 
   3       The union has three ports or channels. It may also be called multiport. 
   4       The union has four ports or channels. It may also be called multiport. 
   5       The union has five ports or channels. It may also be called multiport. 
   6       The union has six ports or channels. It may also be called multiport. 
   7       The union has seven ports or channels. It may also be called multiport. 
   8       The union has eight ports or channels. It may also be called multiport. 
   > 8       The union has more than eight ports or channels. It may also be called multiport. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Application / Media
   Application / Media:      The working fluids the union has been designed to accommodate.
   Your choices are...         
   Air / Pneumatic       Rotating unions are used for devices using compressed or vacuum air. 
   Hydraulic Fluid       Rotating unions are rated for any industrial hydraulic fluid. 
   Steam       Rotating unions are rated for temperature and pressure steam lines. 
   Water       Rotating unions are rated for use with water and are typically pressurized. 
   Oil       Rotating unions are rated for use with petroleum-based or other oil products. 
   Fuel       Rotating unions are rated for any type of fuel. Examples include gasoline, diesel, natural gas, and aviation fuel. Consult with manufacturer for specific fuel types and ratings. 
   Chemical       Rotating unions are designed for chemical or pharmaceutical fluids. 
   Gas       Rotating unions are used for gas, other than air or steam. 
   Solid Transfer       Rotating unions are rated for use in the conveyance or transfer of solid material. 
   Other       Any specialized or unlisted medium. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Port Size and Connection
   Port Size:       
   Your choices are...         
   1/8"       Union has a port size of 1/8" 
   1/4"       Union has a port size of 1/4" 
   3/8"       Union has a port size of 3/8" 
   1/2"       Union has a port size of 1/2" 
   3/4"       Union has a port size of 3/4" 
   7/8"       Union has a port size of 7/8" 
   1"       Union has a port size of 1" 
   1¼"       Union has a port size of 1 1/4" 
   1½"       Union has a port size of 1 1/2" 
   2"       Union has a port size of 2" 
   2½"       Union has a port size of 2 1/2" 
   3"       Union has a port size of 3" 
   4"       Union has a port size of 4" 
   5"       Union has a port size of 5" 
   6"       Union has a port size of 6" 
   Metric       The port size is specified in metric units. 
   Other       A port size other than those listed above. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
   Connection:       
   Your choices are...         
   Flange       The rotating union can be ANSI or SAE rated flanges. 
   Male NPT       The rotating union can have a male pipe thread connection. 
   Female NPT       The rotating union can have a female pipe thread connection. 
   Male Straight Thread       The rotating union can have any straight thread; includes SAE, UNC, NPSM, etc. 
   Female Straight Thread       The rotating union can have any straight thread; includes SAE, UNC, NPSM, etc. 
   Male JIC       The rotating union has a male JIC thread, e.g. 37° taper connection. 
   Female JIC       The rotating union has a female JIC thread, e.g. 37° taper connection. 
   Male BSP       The rotating union has a male BSP (British) thread connection. 
   Female BSP       The rotating union has a female BSP (British) thread connection. 
   Other       An unlisted, specialized, or proprietary connection. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
   Port Direction       
   Your choices are...         
   Straight       The media flows straight through the union. 
   Elbow       The material exits the union at an angle from the inlet direction; elbows cover 90 degree and other angles. 
   Other       Other unlisted port direction. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Dimensions and Materials
   Length:       The length of the union. 
   Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
   Diameter:       The diameter of the union. 
   Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
   Body Material:      The material used to construct the union.  Some materials may be more suitable for harsh temperature, high pressure, or chemical environments.  Consult with manufacturer for material specifications.
   Your choices are...         
   Brass       Includes all grades and alloys of brass. 
   Bronze       The union can be made from all grades and alloys of bronze. 
   Plastic       Unions can have a body material made from plastic, including all thermoplastic / polymer compounds. 
   Steel       The union body material can be made from steel, including all grades of non-stainless, carbon steel. 
   Steel - Stainless       The union body can be stainless steel, including all grades; consult manufacturer for corrosion resistant properties. 
   Other       Body material other than those listed above. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
   Seal Material:      The material used to construct seals in the union.  Some materials may be more suitable for harsh temperature, high pressure, or chemical environments.  Consult with manufacturer for specific seal material properties and applications.
   Your choices are...         
   Buna-N (Nitrile)       Nitrile has good mechanical properties when compared with other elastomers. It also exhibits high wear resistance. Nitrile is not resistant to weathering and ozone. Suggested operating temperatures for Nitrile are from (-40° to 300° F). Trade names include Therban® (Mobay), Tornac® (Polysar), and Zetpol® (Nippon Zeon Company). 
   Viton®       Viton includes a range of fluoropolymer elastomers whose formulation can be tailored to a reasonable extent to meet the needs of individual end-uses. They are normally black and have high heat, oil, and chemical resistance but have indifferent low temperature performance. With the exception of Kalrez® (Dow DuPont Elastomers) perfluorinated elastomer, they are about the most highly temperature-resistant of all commercially available elastomers. Viton® is a registered trademark of DuPont Dow Elastomers. 
   Ethylene Propylene (EPDM)       Ethylene propylene (EPDM) maintains good resistance to sunlight, weathering, and ozone. It also has good heat and compression set resistance, but has poor resistance to petroleum oils and fuel. Suggested operating temperature for EODM is from (-70° to 275° F). Trade names include Nordel® (DuPont Dow Elastomers), Vistalon® (Exxon Mobil Chemical), Epsyn® (DSM Elastomers), Royalene® (Uniroyal Chemical), and Epcar® (B.F. Goodrich). 
   Polyurethane       Polyurethane is a diverse class of materials exhibiting good elongation, recovery, and toughness properties. They are flexible and have good abrasion resistance. (NOTE: The urethanes of the plastics industry are so named because the repeating units of their structures resemble the chemical urethane.) Trade names include Texin® (Bayer), Adiprene® and Vibrathane® (Uniroyal Chemical), Estane® (B F Goodrich), Genthane® (General Tire and Rubber), Millathane®, and Pellethane® (Dow Chemical). 
   Silicone       Silicones are polymers in which organics group. For example, methyl and phenyl groups are bonded to the silicone atoms in chains of inorganic siloxanes (-Si-O-Si-). Silicone properties include heat, cold, and weather resistance; electrical insulation, release, water repellency, and defoaming. 
   Other       Other unlisted or proprietary material. 
   Search Logic:      Products with the selected attribute will be returned as matches. Leaving or selecting "No Preference" will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Features
   Slowing Motion?       The union has a slowing motion to regulate speed. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   Dry Running Protection?       The union can run dry without lubrication. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   Integrated Slip Ring?       The union includes slip rings for electrical power or data transfer. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   Thru-bore?       Thru-bores are used for mounting and wire feed through rotating unions. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
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