PVC Duct Flanges

We offer standard duct flanges and PVC duct blind flanges in a HUGE range of sizes. Our flanges are made of premium PVC and have a standard max temperature of 140F. Our socket/belled flanges use duct drilling, not 150# and the blind flanges are 3/16" thick with 5/16" diameter bolt holes. Both are available in up to 24" duct size.

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Flanges are generally used to attach pipe systems to valves or structures. They consist of a pipe (or PVC duct) connection and a flared out end with bolt holes for attachment. The number and spacing of the bolt holes (known as a bolt pattern) may vary depending on size. Our PVC duct flanges come in two styles: socket/belled end and blind flanges. Blind style flanges are unique in that they are completely closed off, allowing no media to pass through.

We are fortunate enough to work with two of the best names in PVC duct - Harrison Machine and Spears. Both manufacturers use premium PVC material for a quality product that will stand up to the demands of your domestic, commercial, industrial, or institutional use. PVC duct flanges are recommended for applications where the temperature will stay below 140 degrees Fahrenheit.

Ask us about bolts for your duct flanges also. We recommend stainless steel bolts for uses that may include exposure to liquid vapor or any chemicals. Have questions about PVC duct? Give us a call today and a product specialist will assist you.

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