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Low Flow
High Head Pumps

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Maintenance at a food processing plant required a mixture of hot water and detergent at 12 GPM @ 70 PSI (162 FT TH).
Model: 4000 F (AA05-1)
Material: 316 Stainless Steel
Size: 1.5 FNPT x .5 FNPT
(Tangential Discharge)
  1. ANSI group I oil lube bearing pedestal with vented oil-level gauge.
  2. Single, internal mechanical seal, 1-1/8" (carbon vs. silicon carbide mating faces, viton elastomers and 316 S/S metal parts).
  3. Motor is Wash-Down Duty 3 HP, 3450 RPM, TEFC, 145T frame.
  4. Small discharge (1/2 FNPT) and narrow (1/4" wide) vanes enclosed impeller provide steeply rising curve and smooth operation at low flow conditions.



Paper plant required a pump with an outdoor location for 34 GPM @ 185 Ft TH, 93% H2SO4 (1.83 SG), at 1750 RPM.
Model: 6000 F (AA05-2)
Material: All Carpenter 20 Cb-3
Size: 2 x 1/2 FL
  1. Special 1/2" flanged discharge connection on pump centerline.
  2. Built to conform to 2 x 1-13 ANSI A10-2 dimensions.
  3. Single, internal mechanical seal (silicon carbide vs. high purity ceramic mating faces, viton o-rings, metal bellows design, Carpenter 20 Cb-3 metal parts).

Nuclear Facility clean-up site required dilute caustic (3 to 5%) circulating pumps (located outdoors) designed for direct water wash-down, zero emissions and continuous duty: 12 GPM @ 140 FT TH (low flow, high head).

Model: 3000 FH (AA05-1)
Pedestal Mounted (Group I) Double-Sealed
Material: All 316 Stainless Steel
Size: 1.5 x (1/2) 1 FF FL (150#)
  1. Thermal convection cooling system with S/S supply tank. Armored level indicator and low level switch (durametallic) + fluid temperature indicator & NEMA 4 low blanket pressure switch.
  2. Delta 3200 double cartridge mechanical seal (carbon vs. silicon carbide mating faces), 1-1/8".
  3. Full-size drip pan: 1-1/2" high, 1" FNPT plug and drain on channel steel base (ANSI 2T).
  4. All non-S/S parts covered with 3 coats of polyamide epoxy paint (gray).
  5. 3/4" FNPT plug & drain on pump housing.
  6. Motor: U.S.E.M., 5 HP (1-1/2 HP required at duty point), 3450 RPM, premium efficiency, chemical duty, TEFC, 184T frame.

Remote location pumping caustic (50% NaOH at ambient temperature) with no provision for external water flush; 30 GPM @ 166 FT TH.

Model: 4000FQ (AA05-1)
Pedestal Mount
Size: 1 1/2" x (1/2) 1" FF FL
  1. Oil-filled quench gland (Option “Q”) at atmospheric pressure isolates the single internal mechanical seal and prevents crystallization of the caustic soda between the seal faces and the outside (atmospheric side) of the pump.
  2. Low Flow, High Head Design: Enclosed impeller with 1/4" wide vanes, 6.69" diameter.
  3. 7-1/2 HP, 3450 RPM, 575 volt, TEFC motor.
Snack foods manufacturer required compact, quiet pumps for process water, 140°F, 25 GPM @ 92 FT TH (40 PSI) with complete wash-down capability.
Model: 5000D (AA05)
Closed-Coupled Centrifugal
Size: 2 x (1/2) 1 FNPT
  1. All 316 Stainless Steel construction.
  2. Baldor “paint free” Stainless Steel, wash-down duty motor: 3 HP, 1750 RPM, 208-230/460V, TEFC, 1.15 SF, 182 TC with base.
  3. Low Flow, High Head impeller: 10.78" diameter with 1/4" wide vanes (5).
  4. Single internal mechanical seal: Carbon vs. Silicon carbide faces and EPDM elastomers.



Shipboard "Plastics waste processor" required fresh water recirculation (up to 350°F) at 200 PSI inlet pressure at rates of 12 GPM @ 125 FT TH and 21 GPM @ 117 FT TH.
Model: 3000 D-HD1 (AA05)
Material: 316 Stainless Steel
Size: 1.5" x 1" RF FL (300#)
  1. Lightweight (65 Ibs.) heavy-duty design: 350 PSI hydrostatic test.
  2. LOW FLOW/HIGH HEAD design: enclosed impeller (5.50" dia.) with 1/4" wide vanes (5).
  3. Single internal mechanical seal: Carpenter 20 Cb-3 metal bellows, chemical grade carbon vs. silicon carbide mating faces, EPDM elastomers. No stuffing box or chamber bore restrictions; no flush required.
  4. Deep-drawn and fabricated casing with self-venting top horizontal discharge and drain.
  5. Marine-duty chemical Processina hostile environment motor: 2 HP 3450 RPM, 230/460 VAC, TEFC, 1.15 SF, 145 TC frame with base, cast iron frame.