PRODUCTS: Utility Duct Fans
Series 31-U: S31U--346-W---STFCL3

Quantity:

Dimensional Data PDF

Guide Spec
  • 6-blade “W” prop operates efficiently under pressure with low RPM and brake horsepower.
  • Bearings are heavy-duty, pillow block ball bearings selected for minimum L-50 life of 350,000 hours for horizontal fans, and 250,000 hours for vertical fans and include extended lubrication fittings.
  • Motors are totally enclosed fan cooled and out of the airstream. All motors are 1750 RPM.
  • Housings, motor bases, and accessories are pretreated in a 5 stage process and painted with blue industrial duty air dry enamel.
  • Belt guard is standard. Stocked with variable pitch drives as standard.
  • Fan shipped completely assembled and ready to install.

Application Examples - Paint and spray booths, fumes and hot air removal, cooling, drying, and general ventilation.

Rating Table – Series 31U

Size Model Motor HP Motor RPM Peak BHP Peak RPM Free Air 1/8" 1/4" 3/8" 1/2" 3/8" 3/4" 7/8" 1" 1 1/24" 1 1/4" Est. Ship Weight
12 S31U-12-W---STFCF3 1/2 1750 0.50 2845 1830 1750 1655 1510 1260 865 740 605       84
16 S31U-16-W---STFCGH3 3/4 1750 0.75 2250 3180 3075 2955 2825 2660 2455 2045 1590 1335 1105   119
20 S31U-20-W---STFCL3 1 1750 1.10 1800 4925 4710 4520 4275 3960 3505 2675 2165 1690     169
34 S31U-34-W---STFCL3 5 1750 5.46 1275 19410 18915 18435 17965 17490 17010 16520 15995 15345 14440 13290 360
42 S31U-42-W---STC3 5 1750 5.49 980 25645 24985 24345 23670 22920 22055 21085 19940 18520 14630 11600 536