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M-701 Fixed Flow Switch

Brand: Malema

The M-701 offers low cost flow monitoring with a variety of switch actuation points and low pressure drop. 

M-701 is designed for ease of maintenance, as the bonnet and shuttle can be removed, leaving the housing and pipe work connections intact. 

All wetted parts are polypropylene or stainless steel, making this switch ideal for a wide range of chemical and temperature requirements. 

The M-701 is suitable for potable water treatment applications including chlorinators, purifiers and heaters. 

The M-701 is ideal for equipment cooling including welders, lasers, etc.
Features
  • Low cost model
  • Universal mounting
  • Convenient maintenance

Specifications

Brand

Accuracy

  • ± 20 % - Set Point

Applications

  • Equipment Cooling - Welders, Lasers, Heat Exchangers
  • Water Treatment Systems - Chlorinators, Purifiers, Heaters

Approvals & Certifications

  • UL Recognized File E47258

Bonnet Material

  • Polypropylene

Cap Material

  • Polypropylene - Piston

Current

  • Carrying Current: 0.5 A for SPDT
  • Carrying Current: 1.2 A

Electrical Connectors

  • 24 to 18 AWG, 26” (66 cm)
  • 26” (66 cm) Long 22 AWG Teflon Insulated Wire

Electrical Contacts

  • Normally Closed
  • Normally Open

Electrical Rating

  • 0.25 A at 170 Vdc, 3 W/VA (AC/DC Resistive for SPDT)
  • 0.5 A at 200 Vdc, 10 W/VA (AC/DC Resistive)

Enclosure, Body Material

  • Polypropylene

Flow Rate

  • 0.25 to 5 gpm

Hysteresis

  • ± 20 %, Max.

Mounting Position

  • Any Orientation

NPT Inlet

  • 3/4” NPT Female

NPT Outlet

  • 3/4” NPT Female

O-Ring Material

  • Viton

Operating Pressure

  • psig: 40 to 100 (kPa: 275.8 to 689.5, bar: 2.758 to 6.895) at 21.1° to 98.8° C (70° to 210° F)

Piston Material

  • Polypropylene

Ring Material

  • Stainless Steel - Retainer

Spring Material

  • Stainless Steel

Switch Type

  • Hermetically Sealed
  • SPDT
  • SPST

Temperature Range

  • 15.5° to 100° C (60° to 212° F)

Voltage

  • Breakdown Voltage: 200 Vdc for SPDT
  • Breakdown Voltage: 250 Vdc

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