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Complete 2″ Blackmer Pump

Features and Benefits

  • External roller ball bearings support the rotor from both sides, creating a stable environment for the internal mechanical seals
  • Internal mechanical seals allow for extended dry run and continuous operation with non-lubricating liquids
  • High volumetric efficiency and symmetrical bearing support means less required horsepower than other PD pumps, meaning a cost savings on both motor operation and electricity
  • Advantages of sliding vane technology:
    • Unique sliding-vane pump design self-adjusts for wear to maintain flow rates
    • Excellent self-priming and dry-run capabilities
    • Sliding vane design provides sustained performance and trouble-free operation
    • Easy maintenance: vanes can be easily replaced without removing the pump from the piping system
    • High suction lift and line-stripping capabilities
    • Low maintenance and low life-cycle costs

Description

Complete 2 ”  Blackmer Pump

Dispensing Sliding Vane Pumps Power-Operated Pumps for Petroleum Product Dispensing Systems

Utilized in petroleum dispensing systems, the Blackmer® TXU1.5 and XU2A pumps have been designed to cope with the rigorous needs and certifications required for these applications. Featuring equipment such as external bearing support and internal mechanical seals, these products are ideal for applications where self-priming and dry run capabilities are necessary, or where energy savings are sought out.

These pumps are intended for installation and use in accordance with the Flammable and Combustible Liquids Code, NFPA 30, and the Automotive and Marine Service Station Code, NFPA 30A. The Dispensing pumps are listed under Underwriter’s Laboratories standard UL79, “Power-Operated Pumps for Petroleum Product Dispensing Systems” (Certificate MH428).

Features and Benefits

  • External roller ball bearings support the rotor from both sides, creating a stable environment for the internal mechanical seals
  • Internal mechanical seals allow for extended dry run and continuous operation with non-lubricating liquids
  • High volumetric efficiency and symmetrical bearing support means less required horsepower than other PD pumps, meaning a cost savings on both motor operation and electricity
  • Advantages of sliding vane technology:
    • Unique sliding-vane pump design self-adjusts for wear to maintain flow rates
    • Excellent self-priming and dry-run capabilities
    • Sliding vane design provides sustained performance and trouble-free operation
    • Easy maintenance: vanes can be easily replaced without removing the pump from the piping system
    • High suction lift and line-stripping capabilities
    • Low maintenance and low life-cycle costs

Applications

UL-Approved for dispensing of flammable liquids:

  • Fuel oil
  • Jet fuel & aviation fuel
  • Gasoline
  • Ethanol & other alcohols
  • Solvents
  • Ester
  • Ketone
  • Naphtha
  • Ether
  • Amine
  • Aromatic
  • Terpene
  • Glycol
  • Additives
UL 79 STANDARD FOR POWER – OPERATED PUMPS FOR PETROLEUM DISPENSING PRODUCTS

Performance and Specifications

AVAILABLE MODELS
  • TXU1.5
  • XU2A
NOMINAL FLOW RATE RANGE
  • TXU1.5: 10 – 51 gpm
  • XU2A: 10 – 50 gpm
DIFFERENTIAL PRESSURE
  • 50 psi (3.4 bar)
MAXIMUM WORKING PRESSURE (MAWP)
  • 175 psi (12.1 bar)
VISCOSITY
  • 0.2 – 4,250 cP
TEMPERATURE
  • -25°F to 240°F (-32°C to 115°C)
MIN/MAX SPEED (RPM)
  • TXU1.5: 200 – 500
  • UX2A: 70 – 780
PRIMARY MATERIALS OF CONSTRUCTION
  • Cast Iron
CONNECTION ORIENTATION
  • Side Inlet | Top Outlet
VANE MATERIALS
  • Duravane
AVAILABLE CERTIFICATES
  • Hydrostatic Test
  • Performance Test
  • NPSH Test
  • Material (actual or typical)
  • Dimensional (pump only or unit)

Dimensions

PUMP MODEL L W H APPROX. WT.
TX1.5 in 12-7/8 10-4/7 8-1/2 61 lb
mm 327 287.3 215.9 27 kg
XU2A in 15-1/4 9-3/4 8-2/3 70 lb
mm 387 247 221 32 kg

Materials of Construction

PRESSURE PARTS MATERIAL
Cylinder, Heads, Relief Valve Cover Cast Iron: ASTM A48

Pump Options

OPTIONS  DETAILS
Orientation Options Right Hand: INLET is to the right, when looking from driven side
Left Hand: INLET is to the left, when looking from driven side
Porting Options Top Outlet: Outlet 90° offset from inlet
Connection Options NPT (threaded)
Mounting Options Pump Only
Sealing Options Blackmer single mechanical seal

Vane Options

MATERIAL TEMPERATURE LIMITS VISCOSITY
Duravane -25°F to 240°F (-32°C to 115°C) 0.2 – 4,250 cP

Elastomer Options

MATERIAL TEMPERATURE LIMITS
Buna-N -25°F to 240°F (-32°C to 115°C)

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