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DPC • Differential pressure regulators

  • Hydraulic accessories
  • Differential pressure regulators

The differential pressure valve (518500) is used in installations that may operate with significant flow differences, for example in installations that make extensive use of thermostatic valves or motorized two-way valves. The controller ensures a return flow proportional to the number of valves closing by limiting the maximum value of the differential pressure generated by the pump. In heat pump systems, differential pressure regulators are used to ensure the minimum flow rate required for proper operation.

Brand

Caleffi

Installation

The differential pressure by-pass valve can be mounted at any location between the supply and return pipe, provided that the flow direction indicated by the arrow on the valve body is observed.

The complete installation and commissioning instructions can be found in the manual under “Downloads”.



Specifications

  • Connection: G 3/4" (ISO 228-1) F
  • Maximum operating pressure: 10 bar
  • Liquid temperature range: 0–100°C
  • Maximum percentage of glycol: 30%
  • Liquid: water, glycol solutions

Articles

Article selection assistant
Type
Volume [L]
Article number Type Volume [L] E-shop
J019006000200 VKG-HC 200 200
J019006000300 VKG-HC 300 300
J019006000500 VKG-HC 500 500
J019006000750 VKG-HC 750 750
J019006001000 VKG-HC 1000 1000
J019006001500 VKG-HC 1500 1500
J019006002000 VKG-HC 2000 2000
J019006002500 VKG-HC 2500 2500
J019006003000 VKG-HC 3000 3000
J019006004000 VKG-HC 4000 4000
J019006005000 VKG-HC 5000 5000
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