• 10-gauge steel in sizes 4″ to 24″, larger sizes available.
• 4″ to 20″ manual operated blast gates are normally in stock.
• Manual, pneumatic or electric operated.
• Flanged connections allow easy installation.
• Provides a more positive seal than cut-offs.
• Works efficiently with positive or negative pressure.
• Available in custom sizes and materials.
• Available with square inlets and outlets.
• Shop drawings available.

• Available in sizes 3″ to 10″.
• With or without angle rings.
• Call for pricing.

Standard sizes range from 6″ to 26″.

• Ideal for use in areas of heavy abrasion.
• Flanged construction standard.
• Available in custom sizes and materials.
• Priced per customer’s specifications.
• Transition can be rotated 180 degrees to reduce wear.
• Can be refitted with a thicker back without having to replace elbow.

Download a full chart of Replaceable Back Elbows for sizes and specifications.

Standard sizes range from 15″ to 50″.

• Available in custom sizes, gauges and materials.
• With or without flanges.
• Priced per customer’s specifications.

Download a chart of Gored Elbows for sizes and specifications.

Stocked for immediate shipment in 90° long and short radius, and 45 degree long radius in sizes 3″ through 14″ diameter.

60° long radius elbows are stocked in sizes 4″ through 12″ diameter.

• Machines developed by Koger produce one-piece elbows.
• Galvanized steel with tight seams and smooth interiors for quiet, efficient airflow.
• With or without flanges; flanges add to list price.

Download a full list of Long and Short Radius Elbows for sizing and specific information.

• Roll-formed, welded hot rolled steel.
• Sizes 10″ to 60″ ship today, smaller and larger sizes made to order.
• With or without holes.
• Leg-in or leg-out.
• Precise measurements to ensure an easy, tight fit.
• Flat bar rings available in sizes 14″ and larger.
• Square and rectangular flanges can be fabricated in angle iron, flat bar or plate.
• Available in custom sizes and materials, including Galvanized, Stainless Steel and Aluminum.
• Precision punched.
• Hot Dipped Galvanized available 15″ to 48″.

For a full listing of sizes for Pressed and Rolled Angle Rings, download this PDF.

Sizes: 3-1/16″ to 14-1/8″ Stocked in:

• HR
• Stainless Steel
• Aluminum
• Zinc plated

For a full listing of sizes for Pressed and Rolled Angle Rings, download this PDF.