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Limit Switch Box 210 Series Manufacturer

Limit Switch Box 210 Series

  • Solid and compact design aluminium die-cast housing with polyester powder coated finish
  • Bolt-on Visual Position Indicator
  • “Quick-Set” spring loaded splined cam. No need to adjust again after initial setting. Easy setting without tools
  • Dual cable entries
  • Captive cover bo lts to prevent loss when cover is removed
  • NAMUR standard stainless steel shaft and bracket
  • Omron switches


The HVM-2 series valve position monitor is characterized by its compact, waterproof enclosure, featuring internally adjustable position switches and externally intuitive displays. It conforms to NAMUR standard mounting and driving methods, making it highly compatible for installation on quarter-turn actuators and valves.

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The HVM-2 Series Valve Position Monitor showcases a compact design, offering miniature weatherproof protection within an aluminum die-cast enclosure equipped with an O-ring seal. Its bracket design aligns with both ISO 5211 and NAMUR standards, ensuring compatibility and reliable performance.

Key Features and Characteristics

  • Durable and space-efficient design crafted from aluminum die-cast housing complemented with polyester powder coating.
  • Bolt-on visual position indicator for convenient monitoring.
  • “Quick-Set” spring-loaded splined cam ensures no readjustment is necessary after initial setup, allowing for easy tool-free configuration.
  • Dual cable entries for versatile installation options.
  • Captive cover bolts prevent loss during cover removal, enhancing safety and convenience.
  • Utilizes NAMUR standard stainless steel shafts and brackets for robustness.
  • Equipped with Omron switches for reliable operation.

We provide a variety of Limit Switch Boxes, if you have special needs, please get in touch with us directly!

Standard Specification


Model HVM-2 Series
Enclosure Weatherproof IP67/NEMA4&4X
Cable entries Two NPT1/2″
Ambient temperature -20°C~80°C
Terminal strips 8 points (0.05-2.5mm²)
Position indicator 0~90° (90° turn free join) close: red open: yellow
Switches Mechanical switch x2 proximity sensor x2
Painting Chromate Polyester powder coating(black)

Material of Parts

Housing Cover & Body A luminum die casting O-ring NBR
Shaft Stainless steel Bushing Bronze
Indicator cover Polycarbonate E-ring (Shaft) Stainless steel
Cam Polycarbonate Earth Lug Stainless steel
Spring Stainless steel Indicator ABS/Polycarbonate
Housing cover bolt Stainless steel Bracket Stainless steel


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