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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
Cooling capacity [kW]
Heating Capacity* [kW]
# pipes
AC or EC engine
Horizontal or vertical
Hydraulic connection
Article number Type Cooling capacity [kW] Heating Capacity* [kW] # pipes AC or EC engine Horizontal or vertical Hydraulic connection E-shop
J035530012010 UTV-10/L/2P 3.83 5.02 2 AC Vertical Left
J035530012020 UTV-20/L/2P 7.05 8.61 2 AC Vertical Left
J035530012030 UTV-30/L/2P 9.2 11.3 2 AC Vertical Left
J035530012040 UTV-40/L/2P 10.6 12.94 2 AC Vertical Left
J035530012050 UTV-50/L/2P 13.1 16.99 2 AC Vertical Left
J035530013010 UTV-10/R/2P 3.83 5.02 2 AC Vertical Right
J035530013020 UTV-20/R/2P 7.05 8.61 2 AC Vertical Right
J035530013030 UTV-30/R/2P 9.2 11.3 2 AC Vertical Right
J035530013040 UTV-40/R/2P 10.6 12.94 2 AC Vertical Right
J035530013050 UTV-50/R/2P 13.1 16.99 2 AC Vertical Right
J035530014110 UTV-10/L/4P 3.6 4.18 4 AC Vertical Left
J035530014120 UTV-20/L/4P 7.00 7.01 4 AC Vertical Left
J035530014130 UTV-30/L/4P 9.01 9.16 4 AC Vertical Left
J035530014140 UTV-40/L/4P 9.57 10.60 4 AC Vertical Left
J035530014150 UTV-50/L/4P 13.63 12.65 4 AC Vertical Left
J035530015010 UTV-10/R/4P 3.6 4.18 4 AC Vertical Right
J035530015020 UTV-20/R/4P 7.00 7.01 4 AC Vertical Right
J035530015030 UTV-30/R/4P 9.01 9.16 4 AC Vertical Right
J035530015040 UTV-40/R/4P 9.57 10.60 4 AC Vertical Right
J035530015050 UTV-50/R/4P 13.63 12.65 4 AC Vertical Right
J035530022010 UTC-10/L/2P 3.83 5.02 2 AC Horizontal Left
J035530022020 UTC-20/L/2P 7.05 8.61 2 AC Horizontal Left
J035530022030 UTC-30/L/2P 9.20 11.33 2 AC Horizontal Left
J035530022040 UTC-40/L/2P 10.60 12.94 2 AC Horizontal Left
J035530022050 UTC-50/L/2P 13.10 16.99 2 AC Horizontal Left
J035530023010 UTC-10/R/2P 3.83 5.02 2 AC Horizontal Right
J035530023020 UTC-20/R/2P 7.05 8.61 2 AC Horizontal Right
J035530023030 UTC-30/R/2P 9.20 11.33 2 AC Horizontal Right
J035530023040 UTC-40/R/2P 10.60 12.94 2 AC Horizontal Right
J035530023050 UTC-50/R/2P 13.10 16.99 2 AC Horizontal Right
J035530032010 UTC-10/L/4P 3.60 4.18 4 AC Horizontal Left
J035530032020 UTC-20/L/4P 7 7.01 4 AC Horizontal Left
J035530032030 UTC-30/L/4P 9.01 9.16 4 AC Horizontal Left
J035530032040 UTC-40/L/4P 9.57 10.60 4 AC Horizontal Left
J035530032050 UTC-50/L/4P 13.63 12.65 4 AC Horizontal Left
J035530033010 UTC-10/R/4P 3.60 4.18 4 AC Horizontal Right
J035530033020 UTC-20/R/4P 7 7.01 4 AC Horizontal Right
J035530033030 UTC-30/R/4P 9.01 9.16 4 AC Horizontal Right
J035530033040 UTC-40/R/4P 9.57 10.60 4 AC Horizontal Right
J035530033050 UTC-50/R/4P 13.63 12.65 4 AC Horizontal Right
*According to Eurovent at highest speed 0Pa

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