Automatic Liquid Modulating Valve TYPE ALMV-L

INTRODUCTION

For modulating liquid level control in refrigeration, freezing and air conditioning plant, a system comprising a modulating servo-controlled main expansion valve type ALMV-L, controlled by a pilot float valve type SV, is used. ALMV-L and SV systems are used on the evaporator side. The system is suitable for use with ammonia or fluorinated refrigerants.

The ALMV-L can be used in liquid lines to or from

  • evaporators
  • separators
  • intermediate coolers
  • condensers
  • receivers

Modulating liquid level regulation provides liquid injection that is proportional to the actual capacity. This gives a constant amount of flashgas, thus ensuring stable regulation and economic operation because variations in pressure and temperature are held to a minimum.

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