Product Reference Tables
Comparison of the characteristics of abrasive materials
| Material | Mesh Size | Shape | Density (kg/m³) | Mohs Hardness | Friability | Initial Cost | # of Cycles | Per Use Cost | Source | Typical Apps |
|---|---|---|---|---|---|---|---|---|---|---|
| Silica Sand* | 6-270 | ✖ Angular | 801 - 1602 | 5.0-6.0 | High | Low | 1 | Medium | Natural | Outdoor blast cleaning |
| Mineral Slag | 8-80 | ✖ Angular | 1362 - 1713 | 7.0-7.5 | High | Medium | 1-2 | Medium | By-Product | Outdoor blast cleaning |
| Garnet | 8-300 | ✖ Angular | 2082 - 2323 | 7.0 | Medium | Low | 2-2.5 | Medium | Natural | Clean, Finish, Deburr, Etc. |
| Steel Grit | 10-325 | ✖ Angular | 3684 | 8.0 | Low | High | 200+ | Medium | Manufactured | Removing heavy scale |
| Steel Shot | 8-200 | ● Spherical | 4485 | 8.0 | — | High | 200+ | Low | Manufactured | Cleaning, Peening |
| Aluminum Oxide | 12-325 | ✖ Angular | 2002 | 9.0 | Medium | High | 6-8 | Medium | Manufactured | Clean, Finish, Deburr, Etc. |
| Silicon Carbide | 12-325 | ✖ Angular | 1762 | 9.5 | High | High | 5-6 | Medium | Manufactured | Surface prep - hard substrates |
| Glass Bead | 10-400 | ● Spherical | 1362 - 1442 | 5.5-6.0 | Medium | Medium | 8-10 | Low | Manufactured | Cleaning, Finishing |
| Plastic | 12-80 | ✖ Angular | 721 - 961 | 3.0-4.0 | Low/Medium | Low | 8-10 | Medium | Manufactured | Paint strip, Deflash, Clean |
| Bicarbonate | 60-170 | ✖ Angular | 961 | 2.5 | High | High | 1 | High | Manufactured | Cleaning, Paint removal |
| Wheat Starch | 12-80 | ✖ Angular | 721 | 2.0 | Medium | Medium | 12-15 | High | Manufactured | Paint, Adhesive removal, Composites |
| XLComm Polymer Hybrid | 16-60 | ✖ Angular | 721 | 3.0 | Low | High | 14-17 | Medium | Manufactured | Composite paint removal, Adhesive deflash |
| Corn Cob | 8-40 | ✖ Angular | 561 - 721 | 2.0-4.5 | Medium | Low | 4.5 | Low | By-Product | Removing paint from delicate surfaces |
|
*Note: ✖ = Angular; ● = Spherical | Nat. = Natural; B-P = By-Product; MFD. = Manufactured. *Original density in pounds per cubic foot (lbs/ft³) has been converted to kilograms per cubic meter (kg/m³) (1 lbs/ft³ ≈ 16.0185 kg/m³). *Consult OSHA regulations before using silica sand as a blast abrasive. |
||||||||||
| Material | Mesh Size | Shape | Density (kg/m³) | Mohs Hardness | Friability | Initial Cost | # of Cycles | Per Use Cost | Source | Typical Apps |
|---|---|---|---|---|---|---|---|---|---|---|
| Silica Sand* | 6-270 | ✖ Angular | 801 - 1602 | 5.0-6.0 | High | Low | 1 | Medium | Natural | Outdoor blast cleaning |
| Mineral Slag | 8-80 | ✖ Angular | 1362 - 1713 | 7.0-7.5 | High | Medium | 1-2 | Medium | By-Product | Outdoor blast cleaning |
| Garnet | 8-300 | ✖ Angular | 2082 - 2323 | 7.0 | Medium | Low | 2-2.5 | Medium | Natural | Clean, Finish, Deburr, Etc. |
| Steel Grit | 10-325 | ✖ Angular | 3684 | 8.0 | Low | High | 200+ | Medium | Manufactured | Removing heavy scale |
| Steel Shot | 8-200 | ● Spherical | 4485 | 8.0 | — | High | 200+ | Low | Manufactured | Cleaning, Peening |
| Aluminum Oxide | 12-325 | ✖ Angular | 2002 | 9.0 | Medium | High | 6-8 | Medium | Manufactured | Clean, Finish, Deburr, Etc. |
| Silicon Carbide | 12-325 | ✖ Angular | 1762 | 9.5 | High | High | 5-6 | Medium | Manufactured | Surface prep - hard substrates |
| Glass Bead | 10-400 | ● Spherical | 1362 - 1442 | 5.5-6.0 | Medium | Medium | 8-10 | Low | Manufactured | Cleaning, Finishing |
| Plastic | 12-80 | ✖ Angular | 721 - 961 | 3.0-4.0 | Low/Medium | Low | 8-10 | Medium | Manufactured | Paint strip, Deflash, Clean |
| Bicarbonate | 60-170 | ✖ Angular | 961 | 2.5 | High | High | 1 | High | Manufactured | Cleaning, Paint removal |
| Wheat Starch | 12-80 | ✖ Angular | 721 | 2.0 | Medium | Medium | 12-15 | High | Manufactured | Paint, Adhesive removal, Composites |
| XLComm Polymer Hybrid | 16-60 | ✖ Angular | 721 | 3.0 | Low | High | 14-17 | Medium | Manufactured | Composite paint removal, Adhesive deflash |
| Corn Cob | 8-40 | ✖ Angular | 561 - 721 | 2.0-4.5 | Medium | Low | 4.5 | Low | By-Product | Removing paint from delicate surfaces |
|
*Note: ✖ = Angular; ● = Spherical | Nat. = Natural; B-P = By-Product; MFD. = Manufactured. *Original density in pounds per cubic foot (lbs/ft³) has been converted to kilograms per cubic meter (kg/m³) (1 lbs/ft³ ≈ 16.0185 kg/m³). *Consult OSHA regulations before using silica sand as a blast abrasive. |
||||||||||
Download
Estimates of the air volume in the explosion system
| Nozzle | Orifice Size | Volume of Air (CFM / m³/min) | Plus Helmet (CFM / m³/min) | Plus 50% (reserve) (CFM / m³/min) | Min. Air Required (CFM / m³/min) |
|---|---|---|---|---|---|
| No. 4 |
1/4" 6.5mm |
81 2.3 |
20 0.5 |
50 0.5 |
151 cfm 4.2 m³/min |
| No. 5 |
5/16" 8.0mm |
137 3.9 |
20 0.5 |
79 2.2 |
236 cfm 6.6 m³/min |
| No. 6 |
3/8" 9.5mm |
196 5.5 |
20 0.5 |
108 3.0 |
324 cfm 9.0 m³/min |
| No. 7 |
7/16" 11.0mm |
254 7.2 |
20 0.5 |
137 3.9 |
411 cfm 11.6 m³/min |
| No. 8 |
1/2" 12.5mm |
338 9.6 |
20 0.5 |
179 5.0 |
537 cfm 16.1 m³/min |
| Nozzle | Orifice Size | Volume of Air (CFM / m³/min) | Plus Helmet (CFM / m³/min) | Plus 50% (reserve) (CFM / m³/min) | Min. Air Required (CFM / m³/min) |
|---|---|---|---|---|---|
| No. 4 |
1/4" 6.5mm |
81 2.3 |
20 0.5 |
50 0.5 |
151 cfm 4.2 m³/min |
| No. 5 |
5/16" 8.0mm |
137 3.9 |
20 0.5 |
79 2.2 |
236 cfm 6.6 m³/min |
| No. 6 |
3/8" 9.5mm |
196 5.5 |
20 0.5 |
108 3.0 |
324 cfm 9.0 m³/min |
| No. 7 |
7/16" 11.0mm |
254 7.2 |
20 0.5 |
137 3.9 |
411 cfm 11.6 m³/min |
| No. 8 |
1/2" 12.5mm |
338 9.6 |
20 0.5 |
179 5.0 |
537 cfm 16.1 m³/min |
Consumption of compressed air and abrasives
| Nozzle Orifice | Pressure at the Nozzle (Psi) | Air (in CFM / m³/min) & Abrasive (in kg/hr) & HP Requirements | |||||||
|---|---|---|---|---|---|---|---|---|---|
| 50 | 60 | 70 | 80 | 90 | 100 | 125 | 140 | ||
| No. 2 (1/8") |
11 0.31 m³/min |
13 0.37 m³/min |
15 0.42 m³/min |
17 0.48 m³/min |
18.5 0.52 m³/min |
20 0.57 m³/min |
25 0.71 m³/min |
28 0.79 m³/min |
Air (cfm) |
| 0.67 0.019 m³/hr |
0.77 0.022 m³/hr |
0.88 0.025 m³/hr |
1.01 0.029 m³/hr |
1.12 0.032 m³/hr |
1.23 0.035 m³/hr |
1.52 0.043 m³/hr |
1.70 0.048 m³/hr |
Abrasive (cu.ft./hr) | |
| 67 30.4 kg/hr |
77 34.9 kg/hr |
88 39.9 kg/hr |
101 45.8 kg/hr |
112 50.8 kg/hr |
123 55.8 kg/hr |
152 68.9 kg/hr |
170 77.1 kg/hr |
and lbs/hr) | |
| 2.5 | 3 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6.2 | Compressor hp | |
| No. 3 (3/16") |
26 0.74 m³/min |
30 0.85 m³/min |
33 0.93 m³/min |
38 1.07 m³/min |
41 1.16 m³/min |
45 1.27 m³/min |
55 1.56 m³/min |
62 1.76 m³/min |
Air (cfm) |
| 1.5 0.042 m³/hr |
1.71 0.048 m³/hr |
1.96 0.055 m³/hr |
2.16 0.061 m³/hr |
2.38 0.067 m³/hr |
2.64 0.075 m³/hr |
3.19 0.090 m³/hr |
3.57 0.101 m³/hr |
Abrasive (cu.ft./hr) | |
| 150 68.0 kg/hr |
171 77.6 kg/hr |
196 88.9 kg/hr |
216 98.0 kg/hr |
238 108.0 kg/hr |
264 119.7 kg/hr |
319 144.7 kg/hr |
357 161.9 kg/hr |
and lbs/hr) | |
| 6 | 7 | 8 | 9 | 10 | 12 | 13 | Compressor hp | ||
| No. 4 (1/4") |
47 1.33 m³/min |
54 1.53 m³/min |
61 1.73 m³/min |
68 1.93 m³/min |
74 2.09 m³/min |
81 2.29 m³/min |
98 2.77 m³/min |
110 3.11 m³/min |
Air (cfm) |
| 2.68 0.076 m³/hr |
3.12 0.088 m³/hr |
3.54 0.100 m³/hr |
4.08 0.116 m³/hr |
4.48 0.127 m³/hr |
4.94 0.140 m³/hr |
6.08 0.172 m³/hr |
6.81 0.193 m³/hr |
Abrasive (cu.ft./hr) | |
| 268 121.6 kg/hr |
312 141.5 kg/hr |
354 160.6 kg/hr |
408 185.1 kg/hr |
448 203.2 kg/hr |
494 224.1 kg/hr |
608 275.8 kg/hr |
681 308.9 kg/hr |
and lbs/hr) | |
| 11 | 12 | 14 | 16 | 17 | 18 | 22 | 25 | Compressor hp | |
| No. 5 (5/16") |
77 2.18 m³/min |
89 2.52 m³/min |
101 2.86 m³/min |
113 3.20 m³/min |
126 3.57 m³/min |
137 3.88 m³/min |
168 4.76 m³/min |
188 5.32 m³/min |
Air (cfm) |
| 4.68 0.133 m³/hr |
5.34 0.151 m³/hr |
6.04 0.171 m³/hr |
6.72 0.190 m³/hr |
7.40 0.209 m³/hr |
8.12 0.230 m³/hr |
9.82 0.278 m³/hr |
11.0 0.311 m³/hr |
Abrasive (cu.ft./hr) | |
| 468 212.3 kg/hr |
534 242.2 kg/hr |
604 274.0 kg/hr |
672 304.8 kg/hr |
740 335.7 kg/hr |
812 368.3 kg/hr |
982 445.4 kg/hr |
1100 499.0 kg/hr |
and lbs/hr) | |
| 18 | 20 | 23 | 26 | 28 | 31 | 37 | 41 | Compressor hp | |
| No. 6 (3/8") |
108 3.06 m³/min |
126 3.57 m³/min |
143 4.05 m³/min |
161 4.56 m³/min |
173 4.90 m³/min |
196 5.55 m³/min |
237 6.71 m³/min |
265 7.50 m³/min |
Air (cfm) |
| 6.68 0.189 m³/hr |
7.64 0.216 m³/hr |
8.64 0.245 m³/hr |
9.60 0.272 m³/hr |
10.52 0.298 m³/hr |
11.52 0.326 m³/hr |
13.93 0.394 m³/hr |
15.6 0.442 m³/hr |
Abrasive (cu.ft./hr) | |
| 668 303.0 kg/hr |
764 346.5 kg/hr |
864 391.9 kg/hr |
960 435.4 kg/hr |
1052 477.2 kg/hr |
1152 522.5 kg/hr |
1393 631.8 kg/hr |
1560 707.6 kg/hr |
and lbs/hr) | |
| 24 | 28 | 32 | 36 | 39 | 44 | 52 | 58 | Compressor hp | |
| No. 7 (7/16") |
146 4.13 m³/min |
170 4.81 m³/min |
194 5.49 m³/min |
217 6.14 m³/min |
240 6.79 m³/min |
254 7.20 m³/min |
314 8.89 m³/min |
352 9.97 m³/min |
Air (cfm) |
| 8.96 0.254 m³/hr |
10.32 0.292 m³/hr |
11.76 0.333 m³/hr |
13.12 0.372 m³/hr |
14.48 0.410 m³/hr |
15.84 0.449 m³/hr |
19.31 0.547 m³/hr |
21.63 0.612 m³/hr |
Abrasive (cu.ft./hr) | |
| 896 406.4 kg/hr |
1032 468.1 kg/hr |
1176 533.4 kg/hr |
1312 595.1 kg/hr |
1448 656.8 kg/hr |
1584 718.5 kg/hr |
1931 875.9 kg/hr |
2163 981.1 kg/hr |
and lbs/hr) | |
| 33 | 38 | 44 | 49 | 54 | 57 | 69 | 77 | Compressor hp | |
| No. 8 (1/2") |
195 5.52 m³/min |
224 6.34 m³/min |
252 7.14 m³/min |
280 7.93 m³/min |
309 8.75 m³/min |
338 9.57 m³/min |
409 11.58 m³/min |
458 12.97 m³/min |
Air (cfm) |
| 11.60 0.328 m³/hr |
13.36 0.378 m³/hr |
15.12 0.428 m³/hr |
16.80 0.476 m³/hr |
18.56 0.525 m³/hr |
20.24 0.573 m³/hr |
24.59 0.696 m³/hr |
27.54 0.780 m³/hr |
Abrasive (cu.ft./hr) | |
| 1160 526.2 kg/hr |
1336 606.0 kg/hr |
1512 685.8 kg/hr |
1680 762.0 kg/hr |
1856 841.0 kg/hr |
2024 918.1 kg/hr |
2459 1115.4 kg/hr |
2754 1249.2 kg/hr |
and lbs/hr) | |
| 44 | 50 | 56 | 63 | 69 | 75 | 90 | 101 | Compressor hp | |
|
*Consumption rates are based on abrasives that weigh 100 lbs per cubic foot (approx. 1602 kg/m³). *CFM (Cubic Feet per Minute) converted to m³/min (Cubic Meters per Minute). *cu.ft./hr (Cubic Feet per Hour) converted to m³/hr (Cubic Meters per Hour). *lbs/hr (Pounds per Hour) converted to kg/hr (Kilograms per Hour). |
|||||||||
| Nozzle Orifice | Pressure at the Nozzle (Psi) | Air (in CFM / m³/min) & Abrasive (in kg/hr) & HP Requirements | |||||||
|---|---|---|---|---|---|---|---|---|---|
| 50 | 60 | 70 | 80 | 90 | 100 | 125 | 140 | ||
| No. 2 (1/8") |
11 0.31 m³/min |
13 0.37 m³/min |
15 0.42 m³/min |
17 0.48 m³/min |
18.5 0.52 m³/min |
20 0.57 m³/min |
25 0.71 m³/min |
28 0.79 m³/min |
Air (cfm) |
| 0.67 0.019 m³/hr |
0.77 0.022 m³/hr |
0.88 0.025 m³/hr |
1.01 0.029 m³/hr |
1.12 0.032 m³/hr |
1.23 0.035 m³/hr |
1.52 0.043 m³/hr |
1.70 0.048 m³/hr |
Abrasive (cu.ft./hr) | |
| 67 30.4 kg/hr |
77 34.9 kg/hr |
88 39.9 kg/hr |
101 45.8 kg/hr |
112 50.8 kg/hr |
123 55.8 kg/hr |
152 68.9 kg/hr |
170 77.1 kg/hr |
and lbs/hr) | |
| 2.5 | 3 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6.2 | Compressor hp | |
| No. 3 (3/16") |
26 0.74 m³/min |
30 0.85 m³/min |
33 0.93 m³/min |
38 1.07 m³/min |
41 1.16 m³/min |
45 1.27 m³/min |
55 1.56 m³/min |
62 1.76 m³/min |
Air (cfm) |
| 1.5 0.042 m³/hr |
1.71 0.048 m³/hr |
1.96 0.055 m³/hr |
2.16 0.061 m³/hr |
2.38 0.067 m³/hr |
2.64 0.075 m³/hr |
3.19 0.090 m³/hr |
3.57 0.101 m³/hr |
Abrasive (cu.ft./hr) | |
| 150 68.0 kg/hr |
171 77.6 kg/hr |
196 88.9 kg/hr |
216 98.0 kg/hr |
238 108.0 kg/hr |
264 119.7 kg/hr |
319 144.7 kg/hr |
357 161.9 kg/hr |
and lbs/hr) | |
| 6 | 7 | 8 | 9 | 10 | 12 | 13 | Compressor hp | ||
| No. 4 (1/4") |
47 1.33 m³/min |
54 1.53 m³/min |
61 1.73 m³/min |
68 1.93 m³/min |
74 2.09 m³/min |
81 2.29 m³/min |
98 2.77 m³/min |
110 3.11 m³/min |
Air (cfm) |
| 2.68 0.076 m³/hr |
3.12 0.088 m³/hr |
3.54 0.100 m³/hr |
4.08 0.116 m³/hr |
4.48 0.127 m³/hr |
4.94 0.140 m³/hr |
6.08 0.172 m³/hr |
6.81 0.193 m³/hr |
Abrasive (cu.ft./hr) | |
| 268 121.6 kg/hr |
312 141.5 kg/hr |
354 160.6 kg/hr |
408 185.1 kg/hr |
448 203.2 kg/hr |
494 224.1 kg/hr |
608 275.8 kg/hr |
681 308.9 kg/hr |
and lbs/hr) | |
| 11 | 12 | 14 | 16 | 17 | 18 | 22 | 25 | Compressor hp | |
| No. 5 (5/16") |
77 2.18 m³/min |
89 2.52 m³/min |
101 2.86 m³/min |
113 3.20 m³/min |
126 3.57 m³/min |
137 3.88 m³/min |
168 4.76 m³/min |
188 5.32 m³/min |
Air (cfm) |
| 4.68 0.133 m³/hr |
5.34 0.151 m³/hr |
6.04 0.171 m³/hr |
6.72 0.190 m³/hr |
7.40 0.209 m³/hr |
8.12 0.230 m³/hr |
9.82 0.278 m³/hr |
11.0 0.311 m³/hr |
Abrasive (cu.ft./hr) | |
| 468 212.3 kg/hr |
534 242.2 kg/hr |
604 274.0 kg/hr |
672 304.8 kg/hr |
740 335.7 kg/hr |
812 368.3 kg/hr |
982 445.4 kg/hr |
1100 499.0 kg/hr |
and lbs/hr) | |
| 18 | 20 | 23 | 26 | 28 | 31 | 37 | 41 | Compressor hp | |
| No. 6 (3/8") |
108 3.06 m³/min |
126 3.57 m³/min |
143 4.05 m³/min |
161 4.56 m³/min |
173 4.90 m³/min |
196 5.55 m³/min |
237 6.71 m³/min |
265 7.50 m³/min |
Air (cfm) |
| 6.68 0.189 m³/hr |
7.64 0.216 m³/hr |
8.64 0.245 m³/hr |
9.60 0.272 m³/hr |
10.52 0.298 m³/hr |
11.52 0.326 m³/hr |
13.93 0.394 m³/hr |
15.6 0.442 m³/hr |
Abrasive (cu.ft./hr) | |
| 668 303.0 kg/hr |
764 346.5 kg/hr |
864 391.9 kg/hr |
960 435.4 kg/hr |
1052 477.2 kg/hr |
1152 522.5 kg/hr |
1393 631.8 kg/hr |
1560 707.6 kg/hr |
and lbs/hr) | |
| 24 | 28 | 32 | 36 | 39 | 44 | 52 | 58 | Compressor hp | |
| No. 7 (7/16") |
146 4.13 m³/min |
170 4.81 m³/min |
194 5.49 m³/min |
217 6.14 m³/min |
240 6.79 m³/min |
254 7.20 m³/min |
314 8.89 m³/min |
352 9.97 m³/min |
Air (cfm) |
| 8.96 0.254 m³/hr |
10.32 0.292 m³/hr |
11.76 0.333 m³/hr |
13.12 0.372 m³/hr |
14.48 0.410 m³/hr |
15.84 0.449 m³/hr |
19.31 0.547 m³/hr |
21.63 0.612 m³/hr |
Abrasive (cu.ft./hr) | |
| 896 406.4 kg/hr |
1032 468.1 kg/hr |
1176 533.4 kg/hr |
1312 595.1 kg/hr |
1448 656.8 kg/hr |
1584 718.5 kg/hr |
1931 875.9 kg/hr |
2163 981.1 kg/hr |
and lbs/hr) | |
| 33 | 38 | 44 | 49 | 54 | 57 | 69 | 77 | Compressor hp | |
| No. 8 (1/2") |
195 5.52 m³/min |
224 6.34 m³/min |
252 7.14 m³/min |
280 7.93 m³/min |
309 8.75 m³/min |
338 9.57 m³/min |
409 11.58 m³/min |
458 12.97 m³/min |
Air (cfm) |
| 11.60 0.328 m³/hr |
13.36 0.378 m³/hr |
15.12 0.428 m³/hr |
16.80 0.476 m³/hr |
18.56 0.525 m³/hr |
20.24 0.573 m³/hr |
24.59 0.696 m³/hr |
27.54 0.780 m³/hr |
Abrasive (cu.ft./hr) | |
| 1160 526.2 kg/hr |
1336 606.0 kg/hr |
1512 685.8 kg/hr |
1680 762.0 kg/hr |
1856 841.0 kg/hr |
2024 918.1 kg/hr |
2459 1115.4 kg/hr |
2754 1249.2 kg/hr |
and lbs/hr) | |
| 44 | 50 | 56 | 63 | 69 | 75 | 90 | 101 | Compressor hp | |
|
*Consumption rates are based on abrasives that weigh 100 lbs per cubic foot (approx. 1602 kg/m³). *CFM (Cubic Feet per Minute) converted to m³/min (Cubic Meters per Minute). *cu.ft./hr (Cubic Feet per Hour) converted to m³/hr (Cubic Meters per Hour). *lbs/hr (Pounds per Hour) converted to kg/hr (Kilograms per Hour). |
|||||||||
The influence of nozzle wear on air consumption
| Nozzle No. | Orifice Size | Air Flow in CFM / (m³/min) | Increased Air Consumption |
|---|---|---|---|
| No. 4 | 1/4" (6.5mm) | 81 cfm / (2.29 m³/min) | — |
| No. 5 | 5/16" (8.0mm) | 137 cfm / (3.88 m³/min) | 69% more than No. 4 |
| No. 6 | 3/8" (9.5mm) | 196 cfm / (5.55 m³/min) | 43% more than No. 5 |
| No. 7 | 7/16" (11.0mm) | 254 cfm / (7.20 m³/min) | 29% more than No. 6 |
| No. 8 | 1/2" (12.5mm) | 338 cfm / (9.57 m³/min) | 33% more than No. 7 |
| Nozzle No. | Orifice Size | Air Flow in CFM / (m³/min) | Increased Air Consumption |
|---|---|---|---|
| No. 4 | 1/4" (6.5mm) | 81 cfm / (2.29 m³/min) | — |
| No. 5 | 5/16" (8.0mm) | 137 cfm / (3.88 m³/min) | 69% more than No. 4 |
| No. 6 | 3/8" (9.5mm) | 196 cfm / (5.55 m³/min) | 43% more than No. 5 |
| No. 7 | 7/16" (11.0mm) | 254 cfm / (7.20 m³/min) | 29% more than No. 6 |
| No. 8 | 1/2" (12.5mm) | 338 cfm / (9.57 m³/min) | 33% more than No. 7 |
Download
Estimates of the air volume in the explosion system
| Nozzle | Orifice Size | Volume of Air (CFM / m³/min) | Plus Helmet (CFM / m³/min) | Plus 50% (reserve) (CFM / m³/min) | Min. Air Required (CFM / m³/min) |
|---|---|---|---|---|---|
| No. 4 |
1/4" 6.5mm |
81 2.3 |
20 0.5 |
50 0.5 |
151 cfm 4.2 m³/min |
| No. 5 |
5/16" 8.0mm |
137 3.9 |
20 0.5 |
79 2.2 |
236 cfm 6.6 m³/min |
| No. 6 |
3/8" 9.5mm |
196 5.5 |
20 0.5 |
108 3.0 |
324 cfm 9.0 m³/min |
| No. 7 |
7/16" 11.0mm |
254 7.2 |
20 0.5 |
137 3.9 |
411 cfm 11.6 m³/min |
| No. 8 |
1/2" 12.5mm |
338 9.6 |
20 0.5 |
179 5.0 |
537 cfm 16.1 m³/min |
| Nozzle | Orifice Size | Volume of Air (CFM / m³/min) | Plus Helmet (CFM / m³/min) | Plus 50% (reserve) (CFM / m³/min) | Min. Air Required (CFM / m³/min) |
|---|---|---|---|---|---|
| No. 4 |
1/4" 6.5mm |
81 2.3 |
20 0.5 |
50 0.5 |
151 cfm 4.2 m³/min |
| No. 5 |
5/16" 8.0mm |
137 3.9 |
20 0.5 |
79 2.2 |
236 cfm 6.6 m³/min |
| No. 6 |
3/8" 9.5mm |
196 5.5 |
20 0.5 |
108 3.0 |
324 cfm 9.0 m³/min |
| No. 7 |
7/16" 11.0mm |
254 7.2 |
20 0.5 |
137 3.9 |
411 cfm 11.6 m³/min |
| No. 8 |
1/2" 12.5mm |
338 9.6 |
20 0.5 |
179 5.0 |
537 cfm 16.1 m³/min |
Consumption of compressed air and abrasives
| Nozzle Orifice | Pressure at the Nozzle (Psi) | Air (in CFM / m³/min) & Abrasive (in kg/hr) & HP Requirements | |||||||
|---|---|---|---|---|---|---|---|---|---|
| 50 | 60 | 70 | 80 | 90 | 100 | 125 | 140 | ||
| No. 2 (1/8") |
11 0.31 m³/min |
13 0.37 m³/min |
15 0.42 m³/min |
17 0.48 m³/min |
18.5 0.52 m³/min |
20 0.57 m³/min |
25 0.71 m³/min |
28 0.79 m³/min |
Air (cfm) |
| 0.67 0.019 m³/hr |
0.77 0.022 m³/hr |
0.88 0.025 m³/hr |
1.01 0.029 m³/hr |
1.12 0.032 m³/hr |
1.23 0.035 m³/hr |
1.52 0.043 m³/hr |
1.70 0.048 m³/hr |
Abrasive (cu.ft./hr) | |
| 67 30.4 kg/hr |
77 34.9 kg/hr |
88 39.9 kg/hr |
101 45.8 kg/hr |
112 50.8 kg/hr |
123 55.8 kg/hr |
152 68.9 kg/hr |
170 77.1 kg/hr |
and lbs/hr) | |
| 2.5 | 3 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6.2 | Compressor hp | |
| No. 3 (3/16") |
26 0.74 m³/min |
30 0.85 m³/min |
33 0.93 m³/min |
38 1.07 m³/min |
41 1.16 m³/min |
45 1.27 m³/min |
55 1.56 m³/min |
62 1.76 m³/min |
Air (cfm) |
| 1.5 0.042 m³/hr |
1.71 0.048 m³/hr |
1.96 0.055 m³/hr |
2.16 0.061 m³/hr |
2.38 0.067 m³/hr |
2.64 0.075 m³/hr |
3.19 0.090 m³/hr |
3.57 0.101 m³/hr |
Abrasive (cu.ft./hr) | |
| 150 68.0 kg/hr |
171 77.6 kg/hr |
196 88.9 kg/hr |
216 98.0 kg/hr |
238 108.0 kg/hr |
264 119.7 kg/hr |
319 144.7 kg/hr |
357 161.9 kg/hr |
and lbs/hr) | |
| 6 | 7 | 8 | 9 | 10 | 12 | 13 | Compressor hp | ||
| No. 4 (1/4") |
47 1.33 m³/min |
54 1.53 m³/min |
61 1.73 m³/min |
68 1.93 m³/min |
74 2.09 m³/min |
81 2.29 m³/min |
98 2.77 m³/min |
110 3.11 m³/min |
Air (cfm) |
| 2.68 0.076 m³/hr |
3.12 0.088 m³/hr |
3.54 0.100 m³/hr |
4.08 0.116 m³/hr |
4.48 0.127 m³/hr |
4.94 0.140 m³/hr |
6.08 0.172 m³/hr |
6.81 0.193 m³/hr |
Abrasive (cu.ft./hr) | |
| 268 121.6 kg/hr |
312 141.5 kg/hr |
354 160.6 kg/hr |
408 185.1 kg/hr |
448 203.2 kg/hr |
494 224.1 kg/hr |
608 275.8 kg/hr |
681 308.9 kg/hr |
and lbs/hr) | |
| 11 | 12 | 14 | 16 | 17 | 18 | 22 | 25 | Compressor hp | |
| No. 5 (5/16") |
77 2.18 m³/min |
89 2.52 m³/min |
101 2.86 m³/min |
113 3.20 m³/min |
126 3.57 m³/min |
137 3.88 m³/min |
168 4.76 m³/min |
188 5.32 m³/min |
Air (cfm) |
| 4.68 0.133 m³/hr |
5.34 0.151 m³/hr |
6.04 0.171 m³/hr |
6.72 0.190 m³/hr |
7.40 0.209 m³/hr |
8.12 0.230 m³/hr |
9.82 0.278 m³/hr |
11.0 0.311 m³/hr |
Abrasive (cu.ft./hr) | |
| 468 212.3 kg/hr |
534 242.2 kg/hr |
604 274.0 kg/hr |
672 304.8 kg/hr |
740 335.7 kg/hr |
812 368.3 kg/hr |
982 445.4 kg/hr |
1100 499.0 kg/hr |
and lbs/hr) | |
| 18 | 20 | 23 | 26 | 28 | 31 | 37 | 41 | Compressor hp | |
| No. 6 (3/8") |
108 3.06 m³/min |
126 3.57 m³/min |
143 4.05 m³/min |
161 4.56 m³/min |
173 4.90 m³/min |
196 5.55 m³/min |
237 6.71 m³/min |
265 7.50 m³/min |
Air (cfm) |
| 6.68 0.189 m³/hr |
7.64 0.216 m³/hr |
8.64 0.245 m³/hr |
9.60 0.272 m³/hr |
10.52 0.298 m³/hr |
11.52 0.326 m³/hr |
13.93 0.394 m³/hr |
15.6 0.442 m³/hr |
Abrasive (cu.ft./hr) | |
| 668 303.0 kg/hr |
764 346.5 kg/hr |
864 391.9 kg/hr |
960 435.4 kg/hr |
1052 477.2 kg/hr |
1152 522.5 kg/hr |
1393 631.8 kg/hr |
1560 707.6 kg/hr |
and lbs/hr) | |
| 24 | 28 | 32 | 36 | 39 | 44 | 52 | 58 | Compressor hp | |
| No. 7 (7/16") |
146 4.13 m³/min |
170 4.81 m³/min |
194 5.49 m³/min |
217 6.14 m³/min |
240 6.79 m³/min |
254 7.20 m³/min |
314 8.89 m³/min |
352 9.97 m³/min |
Air (cfm) |
| 8.96 0.254 m³/hr |
10.32 0.292 m³/hr |
11.76 0.333 m³/hr |
13.12 0.372 m³/hr |
14.48 0.410 m³/hr |
15.84 0.449 m³/hr |
19.31 0.547 m³/hr |
21.63 0.612 m³/hr |
Abrasive (cu.ft./hr) | |
| 896 406.4 kg/hr |
1032 468.1 kg/hr |
1176 533.4 kg/hr |
1312 595.1 kg/hr |
1448 656.8 kg/hr |
1584 718.5 kg/hr |
1931 875.9 kg/hr |
2163 981.1 kg/hr |
and lbs/hr) | |
| 33 | 38 | 44 | 49 | 54 | 57 | 69 | 77 | Compressor hp | |
| No. 8 (1/2") |
195 5.52 m³/min |
224 6.34 m³/min |
252 7.14 m³/min |
280 7.93 m³/min |
309 8.75 m³/min |
338 9.57 m³/min |
409 11.58 m³/min |
458 12.97 m³/min |
Air (cfm) |
| 11.60 0.328 m³/hr |
13.36 0.378 m³/hr |
15.12 0.428 m³/hr |
16.80 0.476 m³/hr |
18.56 0.525 m³/hr |
20.24 0.573 m³/hr |
24.59 0.696 m³/hr |
27.54 0.780 m³/hr |
Abrasive (cu.ft./hr) | |
| 1160 526.2 kg/hr |
1336 606.0 kg/hr |
1512 685.8 kg/hr |
1680 762.0 kg/hr |
1856 841.0 kg/hr |
2024 918.1 kg/hr |
2459 1115.4 kg/hr |
2754 1249.2 kg/hr |
and lbs/hr) | |
| 44 | 50 | 56 | 63 | 69 | 75 | 90 | 101 | Compressor hp | |
|
*Consumption rates are based on abrasives that weigh 100 lbs per cubic foot (approx. 1602 kg/m³). *CFM (Cubic Feet per Minute) converted to m³/min (Cubic Meters per Minute). *cu.ft./hr (Cubic Feet per Hour) converted to m³/hr (Cubic Meters per Hour). *lbs/hr (Pounds per Hour) converted to kg/hr (Kilograms per Hour). |
|||||||||
| Nozzle Orifice | Pressure at the Nozzle (Psi) | Air (in CFM / m³/min) & Abrasive (in kg/hr) & HP Requirements | |||||||
|---|---|---|---|---|---|---|---|---|---|
| 50 | 60 | 70 | 80 | 90 | 100 | 125 | 140 | ||
| No. 2 (1/8") |
11 0.31 m³/min |
13 0.37 m³/min |
15 0.42 m³/min |
17 0.48 m³/min |
18.5 0.52 m³/min |
20 0.57 m³/min |
25 0.71 m³/min |
28 0.79 m³/min |
Air (cfm) |
| 0.67 0.019 m³/hr |
0.77 0.022 m³/hr |
0.88 0.025 m³/hr |
1.01 0.029 m³/hr |
1.12 0.032 m³/hr |
1.23 0.035 m³/hr |
1.52 0.043 m³/hr |
1.70 0.048 m³/hr |
Abrasive (cu.ft./hr) | |
| 67 30.4 kg/hr |
77 34.9 kg/hr |
88 39.9 kg/hr |
101 45.8 kg/hr |
112 50.8 kg/hr |
123 55.8 kg/hr |
152 68.9 kg/hr |
170 77.1 kg/hr |
and lbs/hr) | |
| 2.5 | 3 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6.2 | Compressor hp | |
| No. 3 (3/16") |
26 0.74 m³/min |
30 0.85 m³/min |
33 0.93 m³/min |
38 1.07 m³/min |
41 1.16 m³/min |
45 1.27 m³/min |
55 1.56 m³/min |
62 1.76 m³/min |
Air (cfm) |
| 1.5 0.042 m³/hr |
1.71 0.048 m³/hr |
1.96 0.055 m³/hr |
2.16 0.061 m³/hr |
2.38 0.067 m³/hr |
2.64 0.075 m³/hr |
3.19 0.090 m³/hr |
3.57 0.101 m³/hr |
Abrasive (cu.ft./hr) | |
| 150 68.0 kg/hr |
171 77.6 kg/hr |
196 88.9 kg/hr |
216 98.0 kg/hr |
238 108.0 kg/hr |
264 119.7 kg/hr |
319 144.7 kg/hr |
357 161.9 kg/hr |
and lbs/hr) | |
| 6 | 7 | 8 | 9 | 10 | 12 | 13 | Compressor hp | ||
| No. 4 (1/4") |
47 1.33 m³/min |
54 1.53 m³/min |
61 1.73 m³/min |
68 1.93 m³/min |
74 2.09 m³/min |
81 2.29 m³/min |
98 2.77 m³/min |
110 3.11 m³/min |
Air (cfm) |
| 2.68 0.076 m³/hr |
3.12 0.088 m³/hr |
3.54 0.100 m³/hr |
4.08 0.116 m³/hr |
4.48 0.127 m³/hr |
4.94 0.140 m³/hr |
6.08 0.172 m³/hr |
6.81 0.193 m³/hr |
Abrasive (cu.ft./hr) | |
| 268 121.6 kg/hr |
312 141.5 kg/hr |
354 160.6 kg/hr |
408 185.1 kg/hr |
448 203.2 kg/hr |
494 224.1 kg/hr |
608 275.8 kg/hr |
681 308.9 kg/hr |
and lbs/hr) | |
| 11 | 12 | 14 | 16 | 17 | 18 | 22 | 25 | Compressor hp | |
| No. 5 (5/16") |
77 2.18 m³/min |
89 2.52 m³/min |
101 2.86 m³/min |
113 3.20 m³/min |
126 3.57 m³/min |
137 3.88 m³/min |
168 4.76 m³/min |
188 5.32 m³/min |
Air (cfm) |
| 4.68 0.133 m³/hr |
5.34 0.151 m³/hr |
6.04 0.171 m³/hr |
6.72 0.190 m³/hr |
7.40 0.209 m³/hr |
8.12 0.230 m³/hr |
9.82 0.278 m³/hr |
11.0 0.311 m³/hr |
Abrasive (cu.ft./hr) | |
| 468 212.3 kg/hr |
534 242.2 kg/hr |
604 274.0 kg/hr |
672 304.8 kg/hr |
740 335.7 kg/hr |
812 368.3 kg/hr |
982 445.4 kg/hr |
1100 499.0 kg/hr |
and lbs/hr) | |
| 18 | 20 | 23 | 26 | 28 | 31 | 37 | 41 | Compressor hp | |
| No. 6 (3/8") |
108 3.06 m³/min |
126 3.57 m³/min |
143 4.05 m³/min |
161 4.56 m³/min |
173 4.90 m³/min |
196 5.55 m³/min |
237 6.71 m³/min |
265 7.50 m³/min |
Air (cfm) |
| 6.68 0.189 m³/hr |
7.64 0.216 m³/hr |
8.64 0.245 m³/hr |
9.60 0.272 m³/hr |
10.52 0.298 m³/hr |
11.52 0.326 m³/hr |
13.93 0.394 m³/hr |
15.6 0.442 m³/hr |
Abrasive (cu.ft./hr) | |
| 668 303.0 kg/hr |
764 346.5 kg/hr |
864 391.9 kg/hr |
960 435.4 kg/hr |
1052 477.2 kg/hr |
1152 522.5 kg/hr |
1393 631.8 kg/hr |
1560 707.6 kg/hr |
and lbs/hr) | |
| 24 | 28 | 32 | 36 | 39 | 44 | 52 | 58 | Compressor hp | |
| No. 7 (7/16") |
146 4.13 m³/min |
170 4.81 m³/min |
194 5.49 m³/min |
217 6.14 m³/min |
240 6.79 m³/min |
254 7.20 m³/min |
314 8.89 m³/min |
352 9.97 m³/min |
Air (cfm) |
| 8.96 0.254 m³/hr |
10.32 0.292 m³/hr |
11.76 0.333 m³/hr |
13.12 0.372 m³/hr |
14.48 0.410 m³/hr |
15.84 0.449 m³/hr |
19.31 0.547 m³/hr |
21.63 0.612 m³/hr |
Abrasive (cu.ft./hr) | |
| 896 406.4 kg/hr |
1032 468.1 kg/hr |
1176 533.4 kg/hr |
1312 595.1 kg/hr |
1448 656.8 kg/hr |
1584 718.5 kg/hr |
1931 875.9 kg/hr |
2163 981.1 kg/hr |
and lbs/hr) | |
| 33 | 38 | 44 | 49 | 54 | 57 | 69 | 77 | Compressor hp | |
| No. 8 (1/2") |
195 5.52 m³/min |
224 6.34 m³/min |
252 7.14 m³/min |
280 7.93 m³/min |
309 8.75 m³/min |
338 9.57 m³/min |
409 11.58 m³/min |
458 12.97 m³/min |
Air (cfm) |
| 11.60 0.328 m³/hr |
13.36 0.378 m³/hr |
15.12 0.428 m³/hr |
16.80 0.476 m³/hr |
18.56 0.525 m³/hr |
20.24 0.573 m³/hr |
24.59 0.696 m³/hr |
27.54 0.780 m³/hr |
Abrasive (cu.ft./hr) | |
| 1160 526.2 kg/hr |
1336 606.0 kg/hr |
1512 685.8 kg/hr |
1680 762.0 kg/hr |
1856 841.0 kg/hr |
2024 918.1 kg/hr |
2459 1115.4 kg/hr |
2754 1249.2 kg/hr |
and lbs/hr) | |
| 44 | 50 | 56 | 63 | 69 | 75 | 90 | 101 | Compressor hp | |
|
*Consumption rates are based on abrasives that weigh 100 lbs per cubic foot (approx. 1602 kg/m³). *CFM (Cubic Feet per Minute) converted to m³/min (Cubic Meters per Minute). *cu.ft./hr (Cubic Feet per Hour) converted to m³/hr (Cubic Meters per Hour). *lbs/hr (Pounds per Hour) converted to kg/hr (Kilograms per Hour). |
|||||||||
The influence of nozzle wear on air consumption
| Nozzle No. | Orifice Size | Air Flow in CFM / (m³/min) | Increased Air Consumption |
|---|---|---|---|
| No. 4 | 1/4" (6.5mm) | 81 cfm / (2.29 m³/min) | — |
| No. 5 | 5/16" (8.0mm) | 137 cfm / (3.88 m³/min) | 69% more than No. 4 |
| No. 6 | 3/8" (9.5mm) | 196 cfm / (5.55 m³/min) | 43% more than No. 5 |
| No. 7 | 7/16" (11.0mm) | 254 cfm / (7.20 m³/min) | 29% more than No. 6 |
| No. 8 | 1/2" (12.5mm) | 338 cfm / (9.57 m³/min) | 33% more than No. 7 |
| Nozzle No. | Orifice Size | Air Flow in CFM / (m³/min) | Increased Air Consumption |
|---|---|---|---|
| No. 4 | 1/4" (6.5mm) | 81 cfm / (2.29 m³/min) | — |
| No. 5 | 5/16" (8.0mm) | 137 cfm / (3.88 m³/min) | 69% more than No. 4 |
| No. 6 | 3/8" (9.5mm) | 196 cfm / (5.55 m³/min) | 43% more than No. 5 |
| No. 7 | 7/16" (11.0mm) | 254 cfm / (7.20 m³/min) | 29% more than No. 6 |
| No. 8 | 1/2" (12.5mm) | 338 cfm / (9.57 m³/min) | 33% more than No. 7 |
Minimum diameter of the compressor air line
| Nozzle No. | Nozzle Orifice Size | Minimum Air Line ID |
|---|---|---|
| No. 3 | 3/16" (5.0mm) | 1" (25.0mm) |
| No. 4 | 1/4" (6.5mm) | 1" (25.0mm) |
| No. 5 | 5/16" (8.0mm) | 1.25" (32.0mm) |
| No. 6 | 3/8" (9.5mm) | 1.50" (38.0mm) |
| No. 7 | 7/16" (11.0mm) | 2" (50.0mm) |
| No. 8 | 1/2" (12.5mm) | 2" (50.0mm) |
| No. 10 | 7/16" (64.0mm) | 2.50" (64.0mm) |
| No. 12 | 3/4" (19.0mm) | 3" (76.0mm) |
| Nozzle No. | Nozzle Orifice Size | Minimum Air Line ID |
|---|---|---|
| No. 3 | 3/16" (5.0mm) | 1" (25.0mm) |
| No. 4 | 1/4" (6.5mm) | 1" (25.0mm) |
| No. 5 | 5/16" (8.0mm) | 1.25" (32.0mm) |
| No. 6 | 3/8" (9.5mm) | 1.50" (38.0mm) |
| No. 7 | 7/16" (11.0mm) | 2" (50.0mm) |
| No. 8 | 1/2" (12.5mm) | 2" (50.0mm) |
| No. 10 | 7/16" (64.0mm) | 2.50" (64.0mm) |
| No. 12 | 3/4" (19.0mm) | 3" (76.0mm) |