Is this pipe one length meant to be adjusting by attaching to another pipe or can we use it by itself from the ceiling to the stove--we have 64 inches between the two.
The DuraVent 8647 is intended to be slid over another pipe.

The DVL 6" Double Wall Telescoping Length - 40" - 68" is a component that is used in a typical venting installation. Use for a two-piece installation from stove to ceiling support box or finishing collar. Available in 29”- 46” and 40”- 68” extensions. No cutting is required.
Features:
DVL double-wall stove pipe completes the venting system when used with one of DuraVent’s chimney products, such as DuraTech or DuraPlus. DVL’s double-wall, air-insulated design reduces clearances to combustibles from 18” to 6”, the closest clearance to a wall of any connector pipe. DVL improves stove performance by maintaining high flue gas temperatures for a strong, steady draft. Because the inner wall is stainless steel the flue heats up faster, stays hotlonger, minimizes the formation of creosote, and has the same life expectancy as the chimney. Adjustable lengths eliminate the need for cutting or crimping.Required for Manufactured Home installations. See appliance manufacturer's installation instructions.
Looking for Simpson Dura-Vent? You found it! Simpson Dura-Vent has changed their name to DuraVent. DuraVent is a recognized technological leader in the venting industry. Consistently the first to market with new innovations in venting systems, DuraVent has captured a leadership position in emerging markets. DuraVent has patents for several products and continues to design safe and technologically advanced venting.The company's research into solving problems with corrosion, when biofuels such as corn are used, led to the break-through patent for PelletVent Pro. Scientifically proven materials and unequalled engineering make DuraVent products not only the best choice, or safest choice, but the only choice for professional quality venting products.
This product is listed under the following manufacturer number(s):
*Denotes a finish or option that has been discontinued
The DuraVent 8647 is intended to be slid over another pipe.
The outside diameter of the Simpson Dura-Vent 8647 is 7 1/8".
| UL Listed | Yes |
|---|---|
| Product Weight | 22 |
| ADA | No |
| Theme | Contemporary / Modern |
| Fuel Type | Wood |
| Pipe Shape | Round |
| Configuration | Pipe Length |
| Material | 26 Gauge Aluminized Steel |
| Vent Construction | Double Wall |
| Pipe Class | Stove Pipe |
| Pipe Inside Diameter | 6 |
| Manufacturer Warranty | Limited Lifetime |
| Length | 40, 68 |
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