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In Line
Centrifugal Pumps

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Problem
Solution

Manufacturer of specialty chemicals mandated by EPA to install pumping system for containment of runoff, filter backwash exchangers and possible chemical spills: 200 GPM @ 46 FT TH, diluted quantities of HCl, NaOH and various solvents.


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Model: 5000 DVL-VEC
Vertical In-Line, Cantilever Shaft
Features
  1. 316 S/S construction
  2. Integral, round mounting plate
  3. Back pull-out design
  4. 3x3 RF FL connections
  5. 7.5 HP, 1750 RPM, XP (1.15 SF) with drip cover
  6. Certified QHP and Hydrostatic (225 PSIG) tests
  7. (1 1/8") Sealol 680 SC-T mechanical seal (silicon carbide vs. high-purity ceramic, with floating seat)
  8. TFE gaskets

 

 
Problem
Solution

The pumping of various "Fluorides" required a vertical inline centrifugal pump using Hastelloy C-22 as the material of construction.

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Model: 3000DVL-H
Vertical Inline, Double Sealed, Centrifugal Booster Pump.
Material: Hastelloy C-22
Features
  1. Double mechanical seal, type 9V (silicon carbide mating faces, viton o-rings on seats, Hastelloy metal parts) with auxillary liquid flush.
  2. Size: 1.5" x 1.5" FF FL
  3. Impeller: 4.5" diameter
  4. Application: 20 GPM at 18 FT TH
  5. Motor: 1 HP, 1750 RPM, TEFC
   
Problem
Solution

Recirculate 50/50 propylene glycol/water mixture at 200°F and 215 PSI Inlet pressure: 25GPM @ 36 FT TH

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Model: 3000DVL - HD2 (AA)
Size: 1.5" x 1.5" - 5.75
Motor: 1 HP, 1725 RPM, TEFC
Flange to Flange: 16"

Features
  1. Close-coupled, in-line vertical configuration.
  2. Material of construction: Stainless steel-fitted carbon steel.
  3. Raised-face, 300 lb. flanges.
  4. Mechanical seal: metal bellows, carbon vs silicon carbide mating faces, Teflon elastomers with pinned-in stationary seat.
  5. By-pass (product) flush to mechanical seal area.
  6. Working pressure: 275 PSI.
  7. Certified hydrostatic test: 300 PSIG.
  8. Overall height: 20.5"
    Integral round support plate: 10" diameter.
   
Problem
Solution

In nearly inaccessible area with dripping, fuming NHO3 atmosphere, pump concentrated NHO3 (1.6 specific gravity) 5 GPM @ 110 FT TH. Pump to be capable of running dry (no process solution flowing) for minimum of 2 hours with no leakage or damage.

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Model: 3000 DVL-H
Double-Sealed, In-Line Vertical
All pump parts, fasteners and exposed motor parts 316 Stainless Steel. Total weight of pump/motor assembly did not exceed 65 lbs.
Features
  1. PICATTI 316 Stainless Steel motor: 2 HP, 3450 RPM, 56 C frame, TEFC.
  2. Double mechanical Seal: silicon carbide mating faces, viton elastomers and 316 S/S metal parts
  3. 316 S/S shaft extension with integral double seal chamber cooling fan
  4. 5.5" diameter impeller with 1/8" wide vanes for built-in flow restriction
  5. 3/4 x 3/4 FF FL
  6. Quality Assurance Test:
    a. QHP
    b. Seal Chamber non-leakage (static & dynamic)
    c. Pump dry run/Seal Chamber Temperature
 
Problem
Solution

Power company required a sampling unit for reclaim condensate (aerated demineralized water) return.

Pump to be designed for vertical, outside tank mounting; 25 GPM @ 30 FT TH, 150° F.

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Model: 3000 DV
1" FNPT Horizontal Discharge
Material of Construction:
All 316 Stainless Steel
Features
  1. 4" flanged tank mount, eccentrically reduced to 1.5" flanged pump suction.
  2. Single internal mechanical seal (carbon vs. silicon carbide mating faces, viton elastomers and 316 s/s metal parts). Requires no external source of cooling or lubricating water.
  3. Motor: 3/4 HP, 1750 RPM, 575 V, TEFC.

 

 
   
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