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657 Series BlendMaster 1750

Argon-carbon dioxide mixer for welding applications
6571201-01-000 shown

The BlendMaster 1750 Mixer precisely blends shielding gas for GMAW (MIG) and GTAW (TIG) welding, providing up to 1750 SCFH (50 SCMH) of process gas without mix variation. The BlendMaster 1750 is available in wall or floor mount, 120-volt or 220-volt configuration, and with optional low-pressure alarm capability for use with the CONCOA Altos 2™ remote alarm (not included). The CONCO 657 Series BlendMaster 1750 supports a broad range of applications and delivers the flexibility that yields a low cost of ownership.

  • Pressure equalization technology maintains mix accuracy under fluctuating supply conditions
  • 0-30% ratio adjustment allows a broad range of welding applications
  • Dual-dome, gas-piloted technology maintains mix accuracy by eliminating pressure decay at high flows
  • Integral final pressure control supports flowmeter and regulator/flowmeter installations
  • Two gas blend: 0-30% Carbon Dioxide in Argon
  • Flow capacity: 0-1750 SCFH (50 SCMH)
  • Inlet pressure: 100-125 PSIG (7-8.5 BAR)
  • Mixed gas outlet pressure: 10-50 PSIG (0.7-3.5 BAR)
  • Temperature range: 32°F to 100°F (0°C to 38°C)
  • Accuracy: ± 1.5%
  • Surge tank: 7 gal (26.5 l)
  • Case: Powder-coated steel
  • Regulator: Brass barstock
  • Seals: Chloroprene
  • Filter: 40-micron 316L stainless steel
  • Connections: Brass
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Part Number Description
6571201-01-000 Electric Two-gas Blender, Floor Mounting Hardware, 110V Electrical Cycler, and No Alarm Capability
6571202-01-000 Electric Two-gas Blender, Wall Mounting Hardware, 110V Electrical Cycler, and No Alarm Capability
6571205-01-000 Electric Two-gas Blender, Floor Mounting Hardware, 220V Electrical Cycler, and No Alarm Capability
6571206-01-000 Electric Two-gas Blender, Wall Mounting Hardware, 220V Electrical Cycler, and No Alarm Capability
6571271-01-000 Electric Two-gas Blender, Floor Mounting Hardware, 110V Electrical Cycler, and Low-pressure Alarm Capability (remote alarm not included)
6571272-01-000 Electric Two-gas Blender, Wall Mounting Hardware, 110V Electrical Cycler, and Low-pressure Alarm Capability (remote alarm not included)
6571275-01-000 Electric Two-gas Blender, Floor Mounting Hardware, 220V Electrical Cycler, and Low-pressure Alarm Capability (remote alarm not included)
6571276-01-000 Electric Two-gas Blender, Wall Mounting Hardware, 220V Electrical Cycler, and Low-pressure Alarm Capability (remote alarm not included)
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Document
Language
ID Number
Revision
657 Series BlendMaster 1750 Catalog Page
English
IN657BM
M
652/657 Series BlendMaster Installation and Operation
English
ADI3186
F
CONCOA Blenders Brochure
English
SPF150
A
CONCOA Mezcladores Folleto
Spanish
SPF150-SP
A

WARNING: This product can expose you to chemicals including Lead, Chromium, Nickel, and 1-3 Butadiene, which are known to the state of California to cause cancer, birth defects, or other reproductive harm. And, this product can expose you to chemicals including Bisphenol A (BPA) which is known to the State of California to cause female reproductive harm. For more information go to www. PSWarnings.ca.gov.

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