SETTING NEW STANDARDS OF EFFICIENCY Liquid handling requirements are much more involved than they were years ago. The variety of liquids being handled has increased along with temperatures and pressures. Today's installations demand quiet, smooth running pumps with long life. Aurora's 90 years of experience with design, sales and manufacturing of centrifugal pumps has led to the 3800 Series. These modern pumps with a clean, straightforward design were developed with maximum interchangeability in mind. Aurora's highly reliable 3800 pumps offer an economical solution to your liquid handling problems. • 4 Power frame sizes • Casing feet for easy back pullout • Regreaseable bearings (3804 only) • Coupling guard (flex coupled design) • Formed steel base (flex coupled design) STANDARD FEATURES • Offered in two models: - 3801 Close coupled - 3804 Flexible coupled-frame mounted • 316 SST impeller • 316 SST shaft sleeve • Double volute on 4" discharge and larger to reduce bearing loads • Gauge taps on suction and discharge on flanged models OPTIONAL FEATURES • 316 SST shaft • Drip rim base • Drip pan (3804 only) • Flush lines • Epoxy coating • Several mechanical seal options (required for temperatures over 225°F) • Oil lube bearings (flex coupled only) • Case wear ring

NOTES: 1. Dimensions are approximate. 2. All dimensions are in inches (mm) and may vary ± 'A (6). 3. Not for construction purposes unless certified. • Available in 250 lb./125 lb. flanges. ▲ Dimensions do not match Bell & Gossett. 4. Conduit box is shown in approximate location. Dimensions are not specified as they may vary with each motor manufacturer. 5. There are two mounting holes on the rear foot for the noted pumps. Pump Size Disch. Suet. DD Motor Frame AG Frame Approx. A

TOTAL DYNAMIC HEAD-FEET TOTAL DYNAMIC HEAD-FEET

3800 SERIES SPECIFICATIONS The contractor shall furnish (and install as shown on the plans) Aurora® model (3801 horizontal close coupled) (3804 horizontal flexible coupled) back pullout centrifugal pump size_x_x _of stainless fitted construction. Each pump shall have a capacity ofgpm atft. of total head, with a temperature of° F,specific gravity. Each pump is to be furnished with a mechanical seal with all metal parts to be 303 stainless steel with Buna-N elastomers, ceramic seat and carbon washer. The unit must be equipped with stainless steel shaft sleeve that extends the length of the seal...