SMACNA and NEW PRODUCTS
While SMACNA does not evaluate or endorse any proprietary products, the encourage the development of new HVAC products and technology, and set guidelines and standards for products to meet. While SMACNA does not evaluate or endorse any proprietary products, the encourage the development of new HVAC products and technology, and set guidelines and standards for products to meet.
- Dura Flange is constructed of 18 and 20 gauge material. All of our Flanges have a profile similar to that of the , as referenced in SMACNA 1995 edition, rendering it equivalent to SMACNA J & K Reinforcement Rating.
| Sizes | Gauge | Type of Flange |
|---|---|---|
| 6" - 40" | 20Ga. | Round |
| 53" - & above | 18Ga. | Round |
| All | 18Ga. | Oval |
Dura Flange has been tested from 6’’ Negative W.G. to 10’’ Positive W.G. with virtually no leakage of collapsing.
Single Wall
More about Single Wall
Double Wall
More about Double Wall
