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Flo-Breaker - Safely Cuts Off Excess Air Flow

Flo-Breaker
The powerful force of compressed air escaping from a broken air hose causes the hose to whip, creating a dangerous hazard to personnel and equipment. The FLO-BREAKER safely cuts off excess air flow. Hose will not whip.

Features:
  • Non-Clogging
  • Automatic Reset
  • No Adjustment Necessary
  • Stainless Steel Springs (unaffected by temperature)
  • Low Pressure Drop-means high productivity
    New York State BSA approved-patent no. 3,561,471
Excerpt from the Department of Labor Occupational Safety and Health Administration regulation 29 CFR part 1926 for Construction.

§ 1926.302 Power-Operated hand tools:
(7) All hoses exceeding 1/2-inch inside diameter shall have a safety device at the source of supply or branch line to reduce

Shut-off Flow Rate:
Flo-Breaker Illustration
3-Inch Pipe Size Also Available upon Request
Be certain to select a Flo-Breaker with a safe shut-off flow rating (i.e. a sufficiently low rating). This rating may be calculated from installation data or determined by a test which simulates hose rupture.

Any test should be in the actual installation and simulated hose failure should be at the farthest, protected downstream location from the Flo-Breaker. The simulated hose-rupture must trip the Flo-Breaker, safely shutting off air flow. If it does not, the test should be repeated with a Flo-Breaker of lower rating.

Precaution should be taken in the above tests to protect personnel and equipment against possible hose whip in the event that the Flo-Breaker rating is too high for the installation.
 
Pipe Size Outside Dimensions
NPT A B C Hex
Inches Inches Inches Inches Inches
3/8 4-1/4 1-1/4 1-5/16 1
1/2 3-7/32 1-1/4 1-5/16 1
3/4 3-17/32 1-5/8 1-21/32 1-3/8
1 4-1/32 2 2-1/8 1-3/4
1-1/4 5 3 2-1/4 2-1/2
1-1/2 5-1/4 3-1/2 2-3/4 2-3/4
2 6-1/4 4-1/4 3-1/2 3-1/2

Pipe Size Shut-Off Flow Rate @90 psi Standard Model Weight Shut-Off Flow Rates at Selected Air Pressures
NPT SCFM Part No. Pounds 60 psi 90 psi 110 psi 130 psi 150 psi
Inches SCFM SCFM SCFM SCFM SCFM
3/8 45 1050-1040 1/4 38 45 49 52 56
1/2 65 1051-1030 55 65 71 76 82
80 1051-1040 68 80 87 94 100
3/4 115 1052-1020 3/8 97 115 125 135 144
135 1052-1030 114 135 147 159 169
180 1052-1040 152 180 196 212 226
1 250 1053-1020 3/4 211 250 273 294 314
1-1/4 450 1054-1020 5-1/4 380 450 491 529 564
1-1/2 650 1055-1020 7 549 650 709 764 815
2 1200 1056-1200 13 845 1050 1120 1190 1250