Johnson Controls V46AM-2 Water Regulating Valve

Johnson Controls V46AM-2
Johnson Controls V46AM-2

The Johnson Controls V46AM-2C is a direct-acting, pressure-actuated modulating valve for commercial water-regulating service. Its 1 1/4″ union connection and 70 to 260 psi range provide reliable condenser water control in varying operating conditions.

Technical Specifications

  • Part Number: V46AM-2C
  • Series: V46 Pressure-Actuated Modulating Valve
  • Valve Type: Open on Rise (Commercial)
  • Control Action: Direct-Acting
  • Connection: 1 1/4″ Union
  • Body Material: Cast iron
  • Maximum Opening Point: 70 to 260 psi
  • Maximum Temperature: 170 °F (77 °C)
  • Pressure Connection: 48″ capillary, 1/4″ flare nut (Style 46)

Key Features and Functionality

  • Defined Pressure Range: 70 to 260 psi ensures accurate regulation.
  • Union Connection: 1 1/4″ fitting simplifies installation and removal.
  • Capillary Assembly: 48″ length supports flexible routing options.
  • Direct-Acting Control: Opens upon rising pressure to maintain stable condenser flow.
  • Serviceable Design: Internal components accessible without pump-down.

Compatible Components and Related Parts

  • STT17A-610R & SEP107A-602R

Industry Applications

  • Refrigeration Systems: Modulates condenser water to stabilize refrigerant pressure.
  • HVAC Equipment: Maintains balance in commercial cooling circuits.
  • Process Cooling: Provides steady water control for industrial chillers.
  • Heat Pump Systems: Supports consistent operation across cooling cycles.

Compliance and Approvals

  • ISO 7 / DIN 2999-Rc
  • ISO 228 / DIN 259-Rp
  • Nominal specs meet Johnson Controls & industry standards

Installation and Operational Notes

  • Confirm supply matches rated pressure conditions.
  • Mount the valve upright to maintain proper performance.
  • Flush water lines to remove dirt or debris.
  • Stay within the listed pressure and temperature ratings.
  • Verify flare fitting integrity during installation.

Series Information

Johnson Controls V46 Series

 

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