MaxiPass® (MP)

Full Cone Nozzles, Clog Resistant Nozzles, and Fire Protection Spray Nozzles,
Maximum Free Passage

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Design Features:

  • Ultimate clog-resistant design with largest free passage available in a full cone nozzle
  • Two unique S-shaped internal vanes, as opposed to x-vane style nozzles, allow maximum free passage of particles
  • High energy efficiency
  • Easily handles dirty, lumpy liquids
  • Male and female connections
  • Flanged connection available
  • High reliability spray performance under the most difficult conditions

Features of the Whirl Spray Nozzle Design:

  • Atomization is achieved by the water being spun inside the nozzle and then exiting an orifice
  • Gives a medium to coarse droplet size
  • Gives a more uniform pattern than spiral nozzles

Custom MaxiPass Solutions:

Petroleum Processing: Wash Water Injection
Petroleum Processing: Light Cycle Oil (LCO) Quench of Hydrocarbon Gas Stream
Refining/Chemical Processing: Oil Quench in Ethylene Process
Chemical Processing: Deluge Cooling
Chemical Processing: Distillation Column Distribution
Petroleum Processing: Material Injection
Petroleum Processing: Injection Washing
Petroleum Processing: Material Injection
Petroleum Processing: Wash Water into Gas Stream

Common Materials:
316SS, Brass, Polypropylene, PTFE, PVC

Full Cone

Select a nozzle number below for performance graph, drawings, and to request a quote.
Nozzle Number Connection Sizes Spray Angles gpm @ psi     (density: 1 SG)
3 psi 5 psi 10 psi 20 psi 50 psi 80 psi
MP 125 3/8″ 60°, 90°, 120° .697 .886 1.23 1.70 2.62 3.26
MP 156 3/8″ 60°, 90°, 120° 1.11 1.41 1.95 2.70 4.16 5.18
MP 187 3/8″, 1/2″ 60°, 90°, 120° 1.60 2.03 2.82 3.90 6.00 7.48
MP 218 1/2″ 60°, 90°, 120° 2.55 3.24 4.49 6.21 9.56 11.9
MP 250 1/2″ 60°, 90°, 120° 2.87 3.64 5.05 6.99 10.8 13.4
MP 281 3/4″ 30°, 60°, 90°, 120° 3.52 4.47 6.20 8.58 13.2 16.5
MP 312 3/4″ 30°, 60°, 90°, 120° 4.26 5.41 7.50 10.4 16.0 19.9
MP 343 3/4″ 30°, 60°, 90°, 120° 5.21 6.63 9.18 12.7 19.6 24.4
MP 375 3/4″, 1″ 30°, 60°, 90°, 120° 6.15 7.82 10.8 15.0 23.1 28.8
MP 406 1″ 30°, 60°, 90°, 120° 7.37 9.37 13.0 18.0 27.7 34.5
MP 437 1″, 1 1/4″ 30°, 60°, 90°, 120° 8.61 11.0 15.2 21.0 32.3 40.3
MP 500 1 1/4″ 30°, 60°, 90°, 120° 11.1 14.1 19.5 27.0 41.5 51.8
MP 531 1 1/4″ 30°, 60°, 90°, 120° 12.3 15.6 21.7 30.0 46.2 57.6
MP 562 1 1/4″, 1 1/2″ 30°, 60°, 90°, 120° 13.5 17.2 23.8 33.0 50.7 63.3
MP 593 1 1/2″ 30°, 60°, 90°, 120° 15.4 19.5 27.1 37.5 57.7 71.9
MP 625 1 1/2″ 30°, 60°, 90°, 120° 16.4 20.8 28.9 40.0 61.5 76.7
MP 656 1 1/2″ 30°, 60°, 90°, 120° 19.9 25.4 35.1 48.6 74.8 93.3
MP 687 1 1/2″ 30°, 60°, 90°, 120° 20.9 26.6 36.9 51.1 78.6 98.0
MP 750 2″ 30°, 60°, 90°, 120° 25.5 32.4 44.9 62.1 95.6 119
MP 812 2″ 30°, 60°, 90°, 120° 27.8 35.4 49.0 67.9 104 130
MP 875 2″ 30°, 60°, 90°, 120° 34.4 43.7 60.5 83.8 129 161
MP 937 2″ 30°, 60°, 90°, 120° 38.5 49.0 67.9 94.0 145 180
MP 1000 2″ 30°, 60°, 90°, 120° 45.1 57.3 79.4 110 169 211
MP 1125 2″, 2 1/2″ 30°, 60°, 90°, 120° 55.3 70.3 97.4 135 208 259
MP 1250 2 1/2″ 30°, 60°, 90°, 120° 66.4 84.4 117 162 249 311
MP 1375 2 1/2″ 30°, 60°, 90°, 120° 79.6 101 140 194 299 373
MP 1500 2 1/2″, 3″ 30°, 60°, 90°, 120° 97.5 124 172 238 366 456
MP 1625 3″ 30°, 60°, 90°, 120° 115 146 202 280 431 537
MP 1750 3″, 4″ 30°, 60°, 90°, 120° 131 167 231 320 492 614
MP 1875 4″ 30°, 60°, 90°, 120° 148 188 260 360 554 691
MP 2000 4″ 30°, 60°, 90°, 120° 173 219 304 421 648 808
MP 2125 4″ 30°, 60°, 90°, 120° 193 245 339 470 723 902
MP 2250 4″ 30°, 60°, 90°, 120° 209 266 369 511 786 980

Available Spray Patterns:

Resources: