HFI Fluid Power Products

1210 Washington Ave

Racine, WI 53403

(800) 822-6122

sales@hfi.us.com

We are the Fluid Power Experts
No other Fluid Power distributor has the depth of product availability, years of technical knowledge and manufacturing capabilities as we do.
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Sales: (800) 822-6122     

24hr  Emergency Hotline: (262) 631-1101

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2MS120-250 & 2MSO120-250 Series

SKU: 2MS120-250 & 2MSO120-250 Series

2MS Series: 2/2 Pilot Piston Normally Closed Solenoid Valve
The 2MS Series valves are 2 way, normally closed, internal pilot piston solenoid valves. When the coil is energized, it lifts the pilot valve off the top of the piston ring and pressure under the piston ring forces the piston up to open the main valve orifice. When the coil is de-energized, the pilot valve returns to close the pilot orifice and pressure across the piston ring is equalized through a timing orifice in the side of the piston or in the valve body. The piston spring returns the piston to close the main valve orifice.

 

2MSO Series: 2/2 Pilot Piston Normally Open Solenoid Valve
The 2MSO series valves are 2 way, normally open, internal pilot piston solenoid valves.
To Close: when the valve is energized, it repels the plunger and forces the plunger to close the main orifice. The system pressure builds up on the top of the piston because fluid enters through the bleed orifice, forcing the piston down until it covers the main orifice and stops media flow through the valve.
To Open: When the valve is de-energized, it releases the plunger and the spring pushes the plunger away from the pilot orifice, allowing fluid to flow out and causing the system pressure holding the piston closed to drop. As system pressure on the top of the piston is reduced, full system pressure on the opposite side of the piston acts to lift the piston away from the main orifice, which allows the full media flow through the valve.

ALL standard valves are supplied with Continuous Duty Coils of the proper class of insulation for the service indicated on the valve. It is normal for the coil temperature may become hot after being energized for extended periods. Smoke or burning odor indicates excessive coil temperature and the power should be disconnected to the coil immediately.

SERVICE LIFE: The service life of the solenoid valve depends on the operating conditions such as pressure, temperature, type of medium, and the voltage.

  • Product Specifications

    Valve Model 2MS120 2MS150 2MS200 2MS250 2MSO120 2MSO150 2MSO200 2MSO250
    Valve Type 2 Way Normally Closed (NC) 2 Way Normally Closed (NC) 2 Way Normally Closed (NC) 2 Way Normally Closed (NC) 2 Way Normally Open (NO) 2 Way Normally Open (NO) 2 Way Normally Open (NO) 2 Way Normally Open (NO)
    Action Pilot Piston Pilot Piston Pilot Piston Pilot Piston Pilot Piston Pilot Piston Pilot Piston Pilot Piston
    Cv (Orifice) 4.5 (12mm) 4.5 (15mm) 7.6 (20mm) 12 (25mm) 4.5 (12mm) 4.5 (15mm) 7.6 (20mm) 12 (25mm)
    Operating Pressure

    Standard: Vacuum to 230PSI

     

    Medium Options: 6 to 580PSI (VDC); 6 to 725PSI (VAC)

     

    High Option: 87 to 1450PSI

    Standard: Vacuum to 230PSI

     

    Medium Options: 6 to 580PSI (VDC); 6 to 725PSI (VAC)

     

    High Option: 87 to 1450PSI

    Standard: Vacuum to 230PSI

     

    Medium Options: 6 to 580PSI (VDC); 6 to 725PSI (VAC)

     

    High Option: 87 to 1450PSI

    Standard: Vacuum to 230PSI

     

    Medium Options: 6 to 580PSI (VDC); 6 to 725PSI (VAC)

     

    High Option: 87 to 1450PSI

    Standard: 6 to 230PSI Standard: 6 to 230PSI Standard: 6 to 230PSI Standard: 6 to 230PSI
    Port Size (NPT) 3/8" 1/2" 3/4" 1" 3/8" 1/2" 3/4" 1"
    Body Material 304 Stainless Steel (Option: 316SS) 304 Stainless Steel (Option: 316SS) 304 Stainless Steel (Option: 316SS) 304 Stainless Steel (Option: 316SS) 304 Stainless Steel (Option: 316SS) 304 Stainless Steel (Option: 316SS) 304 Stainless Steel (Option: 316SS) 304 Stainless Steel (Option: 316SS)
    Seal Material PTFE (Option: Viton) PTFE (Option: Viton) PTFE (Option: Viton) PTFE (Option: Viton) PTFE (Option: Viton) PTFE (Option: Viton) PTFE (Option: Viton) PTFE (Option: Viton)
    Coil Protection Insulation Class H Class IP65 H Class IP65 H Class IP65 H Class IP65 H Class IP65 H Class IP65 H Class IP65 H Class IP65
    Coil Duty 100% ED 100% ED 100% ED 100% ED 100% ED 100% ED 100% ED 100% ED
    Coil Power VDC: 20W; VAC: 22VA VDC: 20W; VAC: 22VA VDC: 20W; VAC: 22VA VDC: 20W; VAC: 22VA VDC: 20W; VAC: 22VA VDC: 20W; VAC: 22VA VDC: 20W; VAC: 22VA VDC: 20W; VAC: 22VA
    Electrical Connection DIN DIN DIN DIN DIN DIN DIN DIN
    Service Air, Inert Gas, Liquid, Steam, Vacuum Air, Inert Gas, Liquid, Steam, Vacuum Air, Inert Gas, Liquid, Steam, Vacuum Air, Inert Gas, Liquid, Steam, Vacuum Air, Inert Gas, Liquid, Steam, Vacuum Air, Inert Gas, Liquid, Steam, Vacuum Air, Inert Gas, Liquid, Steam, Vacuum Air, Inert Gas, Liquid, Steam, Vacuum
  • Tech Specs

    Normally Closed (NC) Normally Open (NO) Port Size (NPT) Orifice Cv L H1 H
    2MS150-1/2 2MSO150-1/2 1/2 15 4.5 75 117 140
    2MS200-3/4 2MSO200-3/4 3/4 20 7.6 75 122 147
    2MS250-1 2MSO250-1 1 25 12 92 143 155
    2MS320-1 1/4 2MSO320-1 1/4 1 1/4 32 22 110 143 155
    2MS400-1 1/2 2MSO400-1 1/2 1 1/2 40 30 122 145 160
    2MS500-2 2MSO500-2 2 50 48 161 157 179
  • Installation Instructions

    To Connect a DIN Coil:

    • Remove the Philips screw from the plastic housting & unplug from the DIN coil.
    • Use the removed screw to push the terminal block out of the plastic DIN housing.
    • Note the "1", "2", and ground "⏚" symbols.
      • For DC DIN Coils, connect "1" to your positive lead and "2" to your negative lead.
      • For AC DIN Coils, connect "1" to your HOT lead, "2" to your NEUTRAL lead, and "⏚" to your ground lead, if required.

    To Connect a Grommet Coil:

    • For DC Coils, connect the red wire to your positive lead and the black wire to your negative lead.
    • For AC Coils, connect the black wire to your HOT lead and the white wire to your NEUTRAL lead.
    • For Coils provided with Molded Cables, the color of the wire indicates the type of lead:
      • GREEN = Ground Wire
      • BLUE = Positive or HOT Wire
      • BROWN = Negative or Neutral Wire