QF In Line Back Draft Damper

Used to reduce backward air flow in the line.

Designed for use in a horizontal line. Specify if vertical operation is required.

Not an explosion isolation device.

• Available in Galvanized and 304SS (as shown below) or optional 316SS or carbon steel
• Available with flanged ends in diameters up to 34", and other various end types
• Optional 16 gauge

Contact Nordfab or your local Nordfab dealer for assistance with larger sizes and material / gauge options.

ø A in Material T mm Length (in) Weight (lbs) Legacy Art. Nr. Art. No.
3 Galv 18ga 3219-0300-100000‍ 8010002122‍
4 Galv 18ga 3219-0400-100000‍ 8010002123‍
5 Galv 18ga 3219-0500-100000‍ 8010002124‍
6 Galv 18ga 3219-0600-100000‍ 8010002125‍
7 Galv 18ga 3219-0700-100000‍ 8010002126‍
8 Galv 18ga 3219-0800-100000‍ 8010002127‍
9 Galv 18ga 3219-0900-100000‍ 8010002128‍
10 Galv 18ga 3219-1000-100000‍ 8010002112‍
11 Galv 18ga 3219-1100-100000‍ 8010002113‍
12 Galv 18ga 3219-1200-100000‍ 8010002114‍
13 Galv 18ga 3219-1300-100000‍ 8010002115‍
14 Galv 18ga 3219-1400-100000‍ 8010002116‍
15 Galv 18ga 3219-1500-100000‍ 8010002117‍
16 Galv 18ga 3219-1600-100000‍ 8010002118‍
17 Galv 18ga 3219-1700-100000‍ 8010002119‍
18 Galv 18ga 3219-1800-100000‍ 8010002120‍
19 Galv 18ga 3219-1900-100000‍ 8010002121‍
20 Galv 16ga 3219-2000-100000‍ 8010002102‍
21 Galv 16ga 3219-2100-100000‍ 8010002103‍
22 Galv 16ga 3219-2200-100000‍ 8010002104‍
23 Galv 16ga 3219-2300-100000‍ 8010002105‍
24 Galv 16ga 3219-2400-100000‍ 8010002106‍
3 304SS 18ga 3219-0300-200000‍ 8010002095‍
4 304SS 18ga 3219-0400-200000‍ 8010002096‍
5 304SS 18ga 3219-0500-200000‍ 8010002097‍
6 304SS 18ga 3219-0600-200000‍ 8010002098‍
7 304SS 18ga 3219-0700-200000‍ 8010002099‍
8 304SS 18ga 3219-0800-200000‍ 8010002100‍
9 304SS 18ga 3219-0900-200000‍ 8010002101‍
10 304SS 18ga 3219-1000-200000‍ 8010002085‍
11 304SS 18ga 3219-1100-200000‍ 8010002086‍
12 304SS 18ga 3219-1200-200000‍ 8010002087‍
13 304SS 18ga 3219-1300-200000‍ 8010002088‍
14 304SS 18ga 3219-1400-200000‍ 8010002089‍
15 304SS 18ga 3219-1500-200000‍ 8010002090‍
16 304SS 18ga 3219-1600-200000‍ 8010002091‍
17 304SS 18ga 3219-1700-200000‍ 8010002092‍
18 304SS 18ga 3219-1800-200000‍ 8010002093‍
19 304SS 18ga 3219-1900-200000‍ 8010002094‍
20 304SS 16ga 3219-2000-200000‍ 8010002075‍
21 304SS 16ga 3219-2100-200000‍ 8010002076‍
22 304SS 16ga 3219-2200-200000‍ 8010002077‍
23 304SS 16ga 3219-2300-200000‍ 8010002078‍
24 304SS 16ga 3219-2400-200000‍ 8010002079‍

Get in touch

Contact Nordfab Americas