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DFARS Specialty Metals
Blast Gates for Quick-Disconnect Duct
 |
Overall | ||||||||
|---|---|---|---|---|---|---|---|---|
Duct Size | ID | Wd. | Ht. | Dp. | Each | |||
Aluminum with Galvanized Steel Slide | ||||||||
| 3 | 3" | 4" | 7 1/16" | 6 1/4" | 1761K663 | 000000 | ||
| 4 | 4" | 5" | 9 1/2" | 5 11/16" | 1761K66 | 00000 | ||
| 5 | 5" | 6" | 11 5/8" | 5 1/4" | 1761K67 | 00000 | ||
| 6 | 6" | 7" | 14 5/16" | 5 11/16" | 1761K68 | 00000 | ||
| 7 | 7" | 8" | 15 3/4" | 5 1/16" | 1761K69 | 00000 | ||
| 8 | 8" | 9 5/8" | 18 1/2" | 5 13/16" | 1761K257 | 00000 | ||
| 9 | 9" | 10 5/8" | 20 1/16" | 5 1/4" | 1761K256 | 000000 | ||
| 10 | 10" | 11 3/8" | 21 15/16" | 6" | 1761K258 | 000000 | ||
| 12 | 12" | 13 1/4" | 26 13/16" | 6 1/16" | 1761K259 | 000000 | ||
| 14 | 14" | 15 3/4" | 29 7/8" | 6 1/4" | 1761K133 | 000000 | ||
| 16 | 16" | 17 7/8" | 34 5/8" | 6" | 1761K134 | 000000 | ||
| 18 | 18" | 20 1/4" | 40" | 9 1/16" | 1761K688 | 000000 | ||
| 20 | 20" | 22 3/8" | 43 1/4" | 9 1/4" | 1761K689 | 000000 | ||
| 22 | 22" | 24 5/8" | 45 3/4" | 9 1/8" | 1761K691 | 000000 | ||
| 24 | 24" | 26 5/8" | 51" | 9 1/8" | 1761K692 | 000000 | ||
304 Stainless Steel | ||||||||
| 4 | 4" | 6" | 11 1/4" | 5 7/8" | 2538K251 | 000000 | ||
| 5 | 5" | 7" | 14 1/8" | 5 7/8" | 2538K252 | 000000 | ||
| 6 | 6" | 7 15/16" | 16 11/16" | 5 5/8" | 2538K253 | 000000 | ||
| 7 | 7" | 9 3/8" | 19 9/16" | 5 1/8" | 2538K257 | 000000 | ||
| 8 | 8" | 10 1/2" | 20 1/2" | 5 3/4" | 2538K254 | 000000 | ||
| 9 | 9" | 11 5/8" | 22 5/8" | 5 1/4" | 2538K258 | 000000 | ||
| 10 | 10" | 12" | 26 5/8" | 5 3/4" | 2538K255 | 000000 | ||
| 12 | 12" | 14 1/2" | 31 15/16" | 5 7/8" | 2538K256 | 000000 | ||
| 14 | 14" | 16" | 36 7/8" | 5 15/16" | 2538K659 | 000000 | ||
| 16 | 16" | 18" | 42 1/8" | 5 9/16" | 2538K661 | 000000 | ||
 |
Galvanized Steel | 304 Stainless Steel | ||||
|---|---|---|---|---|---|
Duct Size | Each | Each | |||
| 3 | 1761K103 | 000000 | 2538K501 | 000000 | |
| 4 | 1761K22 | 00000 | 2538K131 | 00000 | |
| 5 | 1761K23 | 00000 | 2538K132 | 00000 | |
| 6 | 1761K24 | 00000 | 2538K133 | 00000 | |
| 7 | 1761K603 | 00000 | 2538K727 | 00000 | |
| 8 | 1761K137 | 00000 | 2538K134 | 00000 | |
| 9 | 1761K604 | 00000 | 2538K728 | 00000 | |
| 10 | 1761K138 | 00000 | 2538K135 | 00000 | |
| 12 | 1761K139 | 00000 | 2538K136 | 00000 | |
| 14 | 1761K145 | 00000 | 2538K668 | 00000 | |
| 16 | 1761K146 | 00000 | 2538K669 | 00000 | |
| 18 | 1761K101 | 00000 | 2538K536 | 00000 | |
| 20 | 1761K102 | 00000 | 2538K537 | 00000 | |
| 22 | 1761K333 | 00000 | ——— | 0 | |
| 24 | 1761K334 | 00000 | ——— | 0 | |
Blast Gates
 |
Metal |
 |
Plastic |
Overall | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Duct Size | ID | OD | Wd. | Ht. | Dp. | Features | Each | |||
Metal | ||||||||||
Aluminum with Galvanized Steel Slide | ||||||||||
| 2 | 2" | 2 5/16" | 3 5/8" | 6 1/4" | 1 7/8" | Locking Screw | 1788K41 | 000000 | ||
| 3 | — | 2 13/16" | 4" | 7 9/16" | 1 7/8" | Locking Screw | 1788K11 | 00000 | ||
| 3 1/2 | — | 3 3/8" | 4 5/8" | 8" | 2 3/8" | Locking Screw | 1788K42 | 00000 | ||
| 4 | — | 3 13/16" | 5" | 9 15/16" | 1 7/8" | Locking Screw | 1788K12 | 00000 | ||
| 4 1/2 | — | 4 3/8" | 5 3/4" | 10" | 2 1/2" | Locking Screw | 1788K43 | 00000 | ||
| 5 | — | 4 3/4" | 6" | 12 1/2" | 2 1/8" | Locking Screw | 1788K13 | 00000 | ||
| 6 | — | 5 9/16" | 7" | 14 1/2" | 2 1/8" | Locking Screw | 1788K14 | 00000 | ||
| 7 | — | 6 13/16" | 8" | 15 5/8" | 2 1/2" | Locking Screw | 1788K15 | 00000 | ||
| 8 | — | 7 13/16" | 9 5/8" | 18 3/4" | 4" | Locking Screw | 1788K16 | 00000 | ||
| 9 | — | 8 7/8" | 10 5/8" | 20 3/8" | 3 7/16" | Locking Screw | 1788K17 | 00000 | ||
| 10 | — | 9 13/16" | 11 3/8" | 22 3/8" | 3 3/4" | Locking Screw | 1788K18 | 000000 | ||
| 12 | — | 11 13/16" | 13 1/4" | 27 3/8" | 3 5/8" | Locking Screw | 1788K19 | 000000 | ||
| 14 | — | 13 11/16" | 15 3/4" | 30 3/8" | 4 3/8" | Locking Screw | 1788K25 | 000000 | ||
| 16 | — | 15 11/16" | 17 7/8" | 35 9/16" | 4 3/8" | Locking Screw | 1788K27 | 000000 | ||
| 18 | — | 17 11/16" | 20 1/8" | 41 1/4" | 7" | Locking Screw | 1788K29 | 000000 | ||
Aluminum with 304 Stainless Steel Slide | ||||||||||
| 2 | — | 2 5/16" | 3 5/8" | 5 7/8" | 1 15/16" | Locking Screw | 1822K511 | 00000 | ||
| 3 | — | 2 13/16" | 4" | 7" | 1 7/8" | Locking Screw | 1822K312 | 00000 | ||
| 4 | — | 3 7/8" | 5" | 9 1/8" | 1 7/8" | Locking Screw | 1822K313 | 00000 | ||
| 5 | — | 4 3/4" | 6" | 11 3/4" | 2 1/8" | Locking Screw | 1822K314 | 00000 | ||
| 6 | — | 5 13/16" | 7" | 14 3/8" | 2 1/8" | Locking Screw | 1822K315 | 00000 | ||
| 7 | — | 6 13/16" | 8" | 15 5/8" | 2 1/2" | Locking Screw | 1822K316 | 00000 | ||
| 8 | — | 7 7/8" | 9 5/8" | 18 1/8" | 3 1/2" | Locking Screw | 1822K317 | 00000 | ||
| 10 | — | 9 13/16" | 11 3/8" | 22 1/8" | 3 3/4" | Locking Screw | 1822K319 | 000000 | ||
| 12 | — | 11 13/16" | 13 1/4" | 26 3/4" | 3 5/8" | Locking Screw | 1822K322 | 000000 | ||
| 14 | — | 13 13/16" | 15 3/4" | 30 1/8" | 4 3/8" | Locking Screw | 1822K324 | 000000 | ||
| 16 | — | 15 7/8" | 17 7/8" | 34 7/8" | 4 3/8" | Locking Screw | 1822K326 | 000000 | ||
| 18 | — | 17 13/16" | 20 3/16" | 40 3/8" | 7" | Locking Screw | 1822K328 | 000000 | ||
316 Stainless Steel | ||||||||||
| 2 | — | 1 7/8" | 3 1/2" | 6" | 2 5/16" | Locking Screw | 2712K2 | 000000 | ||
| 3 | — | 2 7/8" | 5" | 8 5/8" | 2 7/8" | Locking Screw | 2712K4 | 000000 | ||
| 4 | — | 3 7/8" | 6" | 11 1/8" | 3 5/16" | Locking Screw | 2712K5 | 000000 | ||
| 5 | — | 4 7/8" | 7" | 14 1/8" | 3 5/16" | Locking Screw | 2712K6 | 000000 | ||
| 6 | — | 5 7/8" | 8" | 16 5/8" | 3 5/16" | Locking Screw | 2712K8 | 000000 | ||
| 7 | — | 6 7/8" | 9" | 19 1/8" | 3 5/16" | Locking Screw | 2712K9 | 000000 | ||
| 8 | — | 7 7/8" | 10" | 21 1/8" | 4 1/4" | Locking Screw | 2712K11 | 000000 | ||
| 9 | — | 8 7/8" | 11" | 23 5/8" | 4 1/4" | Locking Screw | 2712K13 | 000000 | ||
| 10 | — | 9 7/8" | 12" | 26 5/8" | 4 5/16" | Locking Screw | 2712K15 | 000000 | ||
| 12 | — | 11 7/8" | 14" | 31 7/8" | 4 5/16" | Locking Screw | 2712K17 | 000000 | ||
| 14 | — | 13 7/8" | 16" | 36 11/16" | 4 5/16" | Locking Screw | 2712K24 | 000000 | ||
| 16 | — | 15 7/8" | 18" | 42 1/8" | 4 5/16" | Locking Screw | 2712K26 | 00000000 | ||
Plastic | ||||||||||
ABS | ||||||||||
| 3 | — | 2 7/8" | 4 1/2" | 8 1/8" | 3 1/16" | Stay-Put Slide | 38405K91 | 0000 | ||
| 4 | — | 3 7/8" | 5 1/2" | 10 1/8" | 3 5/16" | Stay-Put Slide | 38405K92 | 00000 | ||
| 5 | — | 4 7/8" | 6 1/2" | 12 1/8" | 3 5/16" | Stay-Put Slide | 38405K97 | 00000 | ||
| 6 | — | 5 7/8" | 7 1/2" | 14 1/4" | 3 5/16" | Stay-Put Slide | 38405K98 | 00000 | ||
Automatic Blast Gates
 |
Sync these blast gates with dust collectors, fume exhausters, and other machines to open and close automatically. More convenient and efficient that manual gates, these are controlled by a double-acting air cylinder.
Galvanized Steel—Strong and corrosion resistant for long life.
Overall | Galvanized Steel | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Duct Size | OD | Wd. | Ht. | Dp. | Voltage, V AC | Max. Pressure, psi | For Tube OD | Inlet Connection | Each | ||
| 2 | 1 7/8" | 6 3/8" | 14 3/4" | 6 3/16" | 120 | 90 | 1/4" | Push to Connect | 1189N12 | 0000000 | |
| 3 | 2 7/8" | 6 3/8" | 14 3/4" | 5 3/4" | 120 | 90 | 1/4" | Push to Connect | 1189N13 | 000000 | |
| 4 | 3 7/8" | 7 1/4" | 16 1/4" | 5 3/4" | 120 | 90 | 1/4" | Push to Connect | 1189N14 | 000000 | |
| 5 | 4 7/8" | 8 1/4" | 19" | 5 3/4" | 120 | 90 | 1/4" | Push to Connect | 1189N15 | 000000 | |
| 6 | 5 7/8" | 9 1/4" | 22" | 5 3/4" | 120 | 90 | 1/4" | Push to Connect | 1189N16 | 000000 | |
| 8 | 7 7/8" | 11" | 27 7/8" | 5 3/4" | 120 | 90 | 1/4" | Push to Connect | 1189N18 | 000000 | |
| 10 | 9 7/8" | 15" | 33 5/8" | 5 3/4" | 120 | 90 | 1/4" | Push to Connect | 1189N19 | 000000 | |
| 12 | 11 7/8" | 17 1/4" | 40 1/2" | 5 3/4" | 120 | 90 | 1/4" | Push to Connect | 1189N22 | 000000 | |
Self-Cleaning Blast Gates
 |
Clear material from the gate’s track so it closes properly. Slide the blade through the body of the gate to scrape off debris, such as wood pulp. These gates open and close to direct suction or collect material in a specific section of duct.
Aluminum with Galvanized Steel Slide—Our most popular blast gates. The body is aluminum to reduce stress on your duct and the slide is galvanized steel for strength. Both components resist rust in wet environments.
Aluminum with 304 Stainless Steel Slide—These blast gates have a 304 stainless steel slide that holds up to moisture and mild chemicals better than galvanized steel. The aluminum body reduces stress on your duct.
Overall | Aluminum with Galvanized Steel Slide | Aluminum with 304 Stainless Steel Slide | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Duct Size | ID | OD | Wd. | Ht. | Dp. | Features | Each | Each | |||
| 2 | 2" | — | 3 11/16" | 6 1/4" | 1 15/16" | Locking Screw | 17385K71 | 000000 | ——— | 0 | |
| 3 | — | 2 13/16" | 4" | 7 3/8" | 1 15/16" | Locking Screw | 17385K72 | 00000 | 1822K412 | 000000 | |
| 4 | — | 3 7/8" | 5" | 9 9/16" | 1 7/8" | Locking Screw | 17385K74 | 00000 | 1822K414 | 00000 | |
| 5 | — | 4 3/4" | 6" | 11 13/16" | 2 3/16" | Locking Screw | 17385K76 | 00000 | 1822K416 | 00000 | |
| 6 | — | 5 13/16" | 7" | 14 3/16" | 2 1/8" | Locking Screw | 17385K77 | 00000 | 1822K417 | 00000 | |
| 7 | — | 6 13/16" | 8" | 16 9/16" | 2 1/2" | Locking Screw | 17385K78 | 00000 | 1822K418 | 00000 | |
| 8 | — | 7 7/8" | 9 5/8" | 18 7/8" | 3 1/2" | Locking Screw | 17385K79 | 00000 | 1822K419 | 00000 | |
| 10 | — | 9 13/16" | 11 3/8" | 22 11/16" | 3 11/16" | Locking Screw | 17385K82 | 00000 | 1822K422 | 000000 | |
| 12 | — | 11 13/16" | 13 1/4" | 27 7/16" | 3 11/16" | Locking Screw | 17385K83 | 00000 | 1822K424 | 000000 | |
Blast Gates for Chemical-Resistant Duct
Easy-Install Blast Gates
 |
Add a blast gate to your system without disassembling the run. To install, cut a thin slot in the duct for the slide blade, and then mount the collar to the outside. Gates open and close to control airflow to sections of duct. They’re commonly used in dust collecting systems, either to direct suction or collect dust in a specific section. Also known as half gates.
Aluminum with Galvanized Steel Slide—Our most popular blast gates. The body is aluminum to reduce stress on your duct and the slide is galvanized steel for strength. Both components resist rust in wet environments.
Aluminum with 304 Stainless Steel Slide—These blast gates have a 304 stainless steel slide that holds up to moisture and mild chemicals better than galvanized steel. The aluminum body reduces stress on your duct.
Overall | Aluminum with Galvanized Steel Slide | Aluminum with 304 Stainless Steel Slide | |||||||
|---|---|---|---|---|---|---|---|---|---|
Duct Size | Wd. | Ht. | Dp. | Features | Each | Each | |||
| 3 | 4 1/2" | 6" | 2 1/4" | Locking Screw | 1789K1 | 000000 | 1822K212 | 000000 | |
| 3 1/2 | 4 5/8" | 7" | 2 1/2" | Locking Screw | 1789K23 | 00000 | ——— | 0 | |
| 4 | 5 1/8" | 7" | 2 3/8" | Locking Screw | ——— | 0 | 1822K213 | 000000 | |
| 4 | 5 3/8" | 7 1/8" | 2 1/4" | Locking Screw | 1789K2 | 00000 | ——— | 0 | |
| 4 1/2 | 6" | 8" | 2 1/2" | Locking Screw | 1789K24 | 00000 | ——— | 0 | |
| 5 | 6 5/8" | 8 7/8" | 2 1/4" | Locking Screw | ——— | 0 | 1822K214 | 00000 | |
| 5 | 6 3/4" | 9" | 2 1/4" | Locking Screw | 1789K3 | 00000 | ——— | 0 | |
| 6 | 7 7/8" | 10 1/2" | 2 3/4" | Locking Screw | 1789K4 | 00000 | ——— | 0 | |
| 6 | 7 7/8" | 10 1/2" | 2 7/8" | Locking Screw | ——— | 0 | 1822K215 | 000000 | |
| 7 | 8 1/2" | 12 1/8" | 2 1/2" | Locking Screw | 1789K5 | 00000 | 1822K216 | 000000 | |
| 8 | 10" | 13" | 2 1/2" | Locking Screw | 1789K6 | 00000 | ——— | 0 | |
| 8 | 10" | 13" | 2 3/4" | Locking Screw | ——— | 0 | 1822K217 | 000000 | |
| 9 | 10 3/4" | 15" | 2 3/4" | Locking Screw | ——— | 0 | 1822K218 | 000000 | |
| 9 | 11" | 15 1/2" | 2 5/8" | Locking Screw | 1789K7 | 00000 | ——— | 0 | |
| 10 | 11 1/4" | 16" | 3" | Locking Screw | ——— | 0 | 1822K219 | 000000 | |
| 10 | 11 1/2" | 17 1/4" | 2 3/4" | Locking Screw | 1789K8 | 00000 | ——— | 0 | |
| 12 | 13 1/8" | 20" | 3" | Locking Screw | ——— | 0 | 1822K222 | 000000 | |
| 12 | 13 3/4" | 19 3/4" | 3 1/8" | Locking Screw | 1789K9 | 000000 | ——— | 0 | |
| 14 | 16 1/2" | 23 3/8" | 4 1/8" | Locking Screw | ——— | 0 | 1822K223 | 000000 | |
| 14 | 16 1/2" | 23 1/2" | 4 1/8" | Locking Screw | 1789K21 | 000000 | ——— | 0 | |
| 16 | 18 3/8" | 26 1/2" | 4 1/4" | Locking Screw | ——— | 0 | 1822K224 | 000000 | |
| 16 | 18 5/8" | 27" | 4 1/8" | Locking Screw | 1789K22 | 000000 | ——— | 0 | |
