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STUDOR

STUDOR is a brand associated with air admittance valves (AAVs) and related drainage venting components used in plumbing and sanitary systems. The product line is designed to admit air into drainage pipes when negative pressure develops, helping to protect trap seals from siphonage and to limit the release of sewer gases into occupied spaces. STUDOR products are commonly specified where conventional through-roof or through-wall venting is impractical, such as in renovations, modular construction, island fixtures, and high-rise drainage stacks where multiple branch connections require controlled air movement. The range includes one-way air admittance valves, two-way vents, recess boxes, and vent caps, with connection types spanning slip, threaded, and solvent weld. Materials include plastic and aluminum, and finishes include white, black, and unfinished silver. Dimensional data for the SKUs supplied by 3G Electric includes overall diameters from 2 inches to 6-7/8 inches and overall heights from 3-5/8 inches to 5-1/4 inches, allowing engineers to match valves and accessories to specific pipe sizes and installation clearances. The product families cover several application categories: residential and commercial plumbing drainage, fixture venting, wall or ceiling recessed installations, and termination of air admittance vent lines. For technical buyers, the relevant qualities are the connection type, the material and finish, the overall dimensions, and the valve function (one-way versus two-way). These attributes determine compatibility with the drainage system, the required installation space, and the expected airflow behavior under pressure fluctuations. 3G Electric supplies the STUDOR line with multiple SKUs, datasheets, and logistics support. The catalog includes air admittance valves in white plastic with slip or threaded connections, a recess box for flush wall or ceiling mounting with a solvent weld connection, an aluminum vent cap with a slip connection, and a black plastic two-way vent with a slip connection. Each listing carries the manufacturer part number, material, color, connection type, and overall dimensions so that procurement and maintenance teams can verify fit and function before ordering. 3G Electric ships globally and provides quotation support for the STUDOR range, including mixed-SKU orders and documentation requests. For plant engineers and maintenance managers, the practical considerations are the drainage system pressure regime, the pipe connection method, and the available installation envelope. The STUDOR AAVs are passive devices that open when negative pressure occurs and close when positive pressure or backflow conditions arise, which makes them suitable for venting branch intervals and fixture traps without a direct connection to the external atmosphere. The two-way vent allows air to enter and exit, which can help prevent vacuum lock and maintain flow in specific drainage configurations. The recess box is used to provide a flush finish when an AAV is installed in a wall or ceiling, and the vent cap terminates an air admittance vent line. Because the product line is dimensional and connection-specific, the selection process is driven by the pipe size, the mounting location, and the required airflow capacity. 3G Electric maintains the STUDOR SKUs with the associated specifications and can supply the corresponding datasheets for engineering review. The catalog structure separates valves, boxes, and caps so that buyers can identify the correct component for a given installation. For procurement specialists, the availability of multiple SKUs from a single source simplifies order consolidation and reduces the number of separate purchase orders required for a drainage venting package. The STUDOR range is supplied as individual components, and 3G Electric supports global delivery with quotation and logistics coordination.

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About STUDOR

STUDOR is a brand associated with air admittance valves (AAVs) and related drainage venting components used in plumbing and sanitary systems. The product line is designed to admit air into drainage pipes when negative pressure develops, helping to protect trap seals from siphonage and to limit the release of sewer gases into occupied spaces. STUDOR products are commonly specified where conventional through-roof or through-wall venting is impractical, such as in renovations, modular construction, island fixtures, and high-rise drainage stacks where multiple branch connections require controlled air movement. The range includes one-way air admittance valves, two-way vents, recess boxes, and vent caps, with connection types spanning slip, threaded, and solvent weld. Materials include plastic and aluminum, and finishes include white, black, and unfinished silver. Dimensional data for the SKUs supplied by 3G Electric includes overall diameters from 2 inches to 6-7/8 inches and overall heights from 3-5/8 inches to 5-1/4 inches, allowing engineers to match valves and accessories to specific pipe sizes and installation clearances. The product families cover several application categories: residential and commercial plumbing drainage, fixture venting, wall or ceiling recessed installations, and termination of air admittance vent lines. For technical buyers, the relevant qualities are the connection type, the material and finish, the overall dimensions, and the valve function (one-way versus two-way). These attributes determine compatibility with the drainage system, the required installation space, and the expected airflow behavior under pressure fluctuations. 3G Electric supplies the STUDOR line with multiple SKUs, datasheets, and logistics support. The catalog includes air admittance valves in white plastic with slip or threaded connections, a recess box for flush wall or ceiling mounting with a solvent weld connection, an aluminum vent cap with a slip connection, and a black plastic two-way vent with a slip connection. Each listing carries the manufacturer part number, material, color, connection type, and overall dimensions so that procurement and maintenance teams can verify fit and function before ordering. 3G Electric ships globally and provides quotation support for the STUDOR range, including mixed-SKU orders and documentation requests. For plant engineers and maintenance managers, the practical considerations are the drainage system pressure regime, the pipe connection method, and the available installation envelope. The STUDOR AAVs are passive devices that open when negative pressure occurs and close when positive pressure or backflow conditions arise, which makes them suitable for venting branch intervals and fixture traps without a direct connection to the external atmosphere. The two-way vent allows air to enter and exit, which can help prevent vacuum lock and maintain flow in specific drainage configurations. The recess box is used to provide a flush finish when an AAV is installed in a wall or ceiling, and the vent cap terminates an air admittance vent line. Because the product line is dimensional and connection-specific, the selection process is driven by the pipe size, the mounting location, and the required airflow capacity. 3G Electric maintains the STUDOR SKUs with the associated specifications and can supply the corresponding datasheets for engineering review. The catalog structure separates valves, boxes, and caps so that buyers can identify the correct component for a given installation. For procurement specialists, the availability of multiple SKUs from a single source simplifies order consolidation and reduces the number of separate purchase orders required for a drainage venting package. The STUDOR range is supplied as individual components, and 3G Electric supports global delivery with quotation and logistics coordination.

Common Applications

  • Residential plumbing — STUDOR air admittance valve with slip connection for branch venting where through-roof venting is not available
  • Commercial drainage — STUDOR mini-vent air admittance valve with threaded connection for fixture trap protection in retrofit projects
  • Multi-storey drainage stacks — STUDOR two-way vent with slip connection to prevent vacuum lock and maintain flow in branch intervals
  • Concealed wall or ceiling installations — STUDOR recess box with solvent weld connection for flush mounting of air admittance valves
  • Vent line termination — STUDOR aluminum vent cap with slip connection for terminating air admittance vent lines
  • Modular and prefabricated construction — STUDOR air admittance valves and recess boxes for factory-installed drainage venting assemblies

Frequently asked questions

Common questions about STUDOR from 3G Electric.

What is the function of a STUDOR air admittance valve in a drainage system?

A STUDOR air admittance valve admits air into a drainage pipe when negative pressure develops, which helps prevent trap seal siphonage and limits the escape of sewer gases. The valve opens under negative pressure and closes under positive pressure or backflow conditions. It is used where a direct connection to the external atmosphere is not available or not practical, such as island fixtures, renovations, and branch intervals in multi-storey drainage stacks. The specific SKU supplied by 3G Electric includes the connection type, material, color, and overall dimensions so that the valve can be matched to the pipe size and installation space.

What is the difference between the STUDOR one-way air admittance valve and the two-way vent?

The STUDOR one-way air admittance valve admits air into the drainage pipe but does not allow air to exit. The STUDOR two-way vent allows air to enter and exit the drainage pipe, which can help prevent vacuum lock and maintain flow in certain configurations. The two-way vent is supplied as a black plastic unit with a slip connection, a 4-7/8 inch overall diameter, and a 5-1/4 inch overall height. The one-way valves in the 3G Electric catalog include white plastic models with slip or threaded connections and a 2-inch overall diameter for the threaded version.

What are the connection types available for STUDOR drain air vents and valves?

The STUDOR products supplied by 3G Electric include slip, threaded, and solvent weld connections. The white plastic air admittance valve with slip connection has a 4-7/8 inch overall diameter and a 5-1/4 inch overall height. The mini-vent air admittance valve has a threaded connection and a 2-inch overall diameter. The recess box for air admittance valves has a solvent weld connection and a 2-inch overall diameter. The aluminum vent cap has a slip connection with a 6-7/8 inch overall diameter and a 3-5/8 inch overall height. The two-way vent has a slip connection with a 4-7/8 inch overall diameter and a 5-1/4 inch overall height.

What is the STUDOR recess box used for?

The STUDOR recess box is a white plastic enclosure for air admittance valves with a 2-inch overall diameter and a solvent weld connection. It is installed in walls or ceilings to provide a flush finish while allowing air into the drain pipe. The box is used when the air admittance valve must be mounted in a concealed location and the installation requires a clean, finished surface. The solvent weld connection joins the box to the drainage pipe. 3G Electric supplies this SKU with the manufacturer part number and dimensional data for verification against the installation requirements.

What materials and finishes are used in the STUDOR drain air vent and valve range?

The STUDOR range supplied by 3G Electric includes plastic and aluminum components. The air admittance valves, two-way vent, and recess box are plastic. The vent cap is aluminum with an unfinished silver finish. Colors include white for the air admittance valves and recess box, black for the two-way vent, and silver for the vent cap. The material and finish affect the installation environment and the appearance of exposed components. The specifications for each SKU list the material, color, connection type, and overall dimensions so that the correct variant can be selected for the application.

How does 3G Electric support the STUDOR product line?

3G Electric supplies the STUDOR drain air vents and valves with multiple SKUs, datasheets, and logistics support. The catalog includes air admittance valves, a recess box, a vent cap, and a two-way vent, each with the manufacturer part number, material, color, connection type, and overall dimensions. 3G Electric ships globally and provides quotation support for the STUDOR range, including mixed-SKU orders and documentation requests. Procurement and maintenance teams can use the listed specifications to verify fit and function before ordering, and 3G Electric coordinates delivery for the required quantities.