Scott Rotary Seals - Rotary Timing Valves for Air & Vacuum Service

The AV series rotary timing valves (RTVs) are used for the transfer of air/vacuum and/or gases from stationary piping into or out of rotating machinery where automatic on/off flow control is required. (read more)

Scott Rotary Seals - 3A Compliant Sanitary Rotary Union

Our new 1 passage 3A complaint sanitary rotary union is now available but not yet fully described on our website. It features Hygenic Clamp ferrules per ASME-BPE 2009 Type A. Inspection ports are used to determine COP intervals. It is designed with reference to 3A accepted practice manual, #00-03. Please contact sales engineering for more information. (read more)

Scott Rotary Seals - APS Series Stainless Steel Rotary Unions

The APS (stainless steel) Series all purpose multiple passage rotary unions are available in 2, 3, 4, 6, 8, 10 & 12 passage models. Modified or specialized configurations are also available including FDA seal materials. All APS Series rotary unions / rotating joints incorporate durable, long life seals, which are suitable for vacuum & bidirectional pressures up to 7... (read more)

Scott Rotary Seals - Electrical Slip Ring Rotary Union Assembly

This assembly consists of a SRS rotary union that includes an integrated electrical slip ring. SRS offers a number of standard slip ring options which are useful for power, signal and data transfer. In addition to the standard slip rings listed below, SRS can also supply complete assemblies with custom slip rings ranging from high to low current designs with ultra low electrical... (read more)

Scott Rotary Seals - Ingress Protected Stainless Steel Rotary Union

This custom IP67 rated 4 passage Rotary Union is used in the packaging of food products. (read more)

Scott Rotary Seals - TC1540 Sanitary Rotary Unions

The TC Series Rotary Unions are intended for FDA and NSF 3-A applications. There are models available for 3/4", 1-1/2", 2", 2-1/2", 3" and 4" tube sizes with Tri-Clamp© sanitary connections. The goal of the design is to minimize fluid stagnation points with smooth flow lines. The TC is a sanitary swivel with cleanable ferrules, a inline flow path with no voids, and two CIP (clean-in-plac... (read more)

Scott Rotary Seals - Plastic Unions for FDA or acids

SRS has 50 years of experience and many proven designs using various engineered plastics to solve a very broad range of seal problems. The applications for these valves and unions range from pharmaceutical with stringent FDA specifications to industrial systems handling acids. (read more)

Scott Rotary Seals - FDA Approved Materials for Rotary Fillers

This rotary timing valve is used on the filler head of a 40 station rotary filling machine for bottling food grade product. The product enters the valve through a two inch inlet. The valve directs the flow to thirty two of the forty stations at a time. Overflow product from the fillers returns to the tank through a return circuit. (read more)

Scott Rotary Seals - 50 years of designing & manufacturing at SRS

Scott Rotary Seals (SRS) celebrates 50 years of designing, manufacturing and integrating rotary unions and rotary timing valves. Founded in 1960, SRS has built a strong reputation through flexibility in design, manufacturing optimization and leadership for the rotary union industry, continually focusing on innovative solutions for industrial applications. (read more)

Scott Rotary Seals - WH-2208 Rotary Timing Valve

The WH-2208 Rotary Timing Valve is commonly used for 8 work stations with two common control load/unload stations. This is suitable for hydraulic operation. All WH-series valves are of cylindrical construction with 1/4 BSPP ports. (read more)

Scott Rotary Seals - Need a rotary union for paint or sealant?

Scott Rotary Seals has developed sealing methods for rotary unions for paint or sealant. These fluids often have an abrasive component that shortens the life of normal seals.

Quite often we can use this seal technology for abrasives media in our standard rotary unions for an inexpensive option to custom designed rotary unions. (read more)

Scott Rotary Seals - Large Custom Rotary Union for Coolant Flow

We recently delivered this large rotary union that is used to transfer cooling fluid to an antenna. In this configuration there are four ports (2) 2" & (2) 4" for supply & return. This requires a high flow volume to keep electrical components cool. The construction is 316 stainless steel with 150 lb. weld neck flanges to withstand environmental conditions. (read more)

Scott Rotary Seals -  Hydraulic Rotary Unions for High Pressure

Looking for that out of the ordinary rotary union for hydraulic pressure? Scott Rotary Seals has been in the business of custom design rotary unions for nearly 50 years. We can design to our customer's requirements. Whether you are looking for high pressure, multiple size ports, hollow bore or standard off the shelf unions we have or can make what you are looking for. (read more)

Scott Rotary Seals - Large Inline Swivels

SRS has large straight thru swivels for your industrial needs.

Pictured is an 8" swivel with 150 lb. weld neck flanges for municipal use in raising and lowering a draw bridge. (read more)

Scott Rotary Seals - Sanitary Swivel for Fillers

Looking for a food grade sanitary swivel? SRS has a line of sanitary swivels that are made completely from 316 stainless steel and FDA approved sealing materials. This swivel has quick disconnect fittings per ASME BPE-2009 on both ends which allow for easy removal to clean and change out if needed. We stock this swivel in .75", 1.5", 2", 3" & 4" connections. (read more)

Scott Rotary Seals - Hollow Bore Rotary Union Assemblies

Scott Rotary Seals can custom design any type of rotating union to your specific application needs. View some of our custom rotating unions and rotary timing valves at (read more)

Scott Rotary Seals - Rotary Union for Filling Equipment

Do you have a need for a rotary union on your filling equipment? Scott Rotary Seals designs and manufactures an array of custom rotary unions for filling equipment which are food grade acceptable. All the rotary unions are constructed from 300 series stainless steel, special FDA approved seals and precision bearings. This unit is for a juice filler. (read more)

Scott Rotary Seals - Air Valve simplifies solutions for packaging ind.

Rotary Timing Valve simplifies solutions for packaging industry. (read more)


WH Series Rotary Timing Valves provide automatic sequencing of hydraulic pressure to single or double acting cylinders. The timing sequence can be fully automatic, externally controlled, or a combination of both. The rotating member manifolds to fixtures and multiple positions simplifying the piping arrangement and valve installation. (read more)

Scott Rotary Seals - Custom Designed Rotary Timing Valves

Scott Rotary Seals® provides a total engineering service to supply products for each customer's unique requirements. They design and manufacture these Rotary Timing Valves (RTV®) for a wide range of industrial applications from pharmaceutical to machine operations including semi-conductor processing and glass making. (read more)

Scott Rotary Seals - Rotating Union Services

Scott Rotary Seals® offers a wide array of standard off the shelf unions from 2 to 12 ports. They can transfer fluids or gases from a stationary supply lines to rotating equipment. All of the passages are independent, so SRS rotary unions are suitable for transferring both fluids & gases through the same rotary union without cross contamination. (read more)