asdfasdf

Pressure Independent valves

Then different arguments why it is important the use of independent pressure valves are exposed.

by Víctor Orozco *

IP technology like that is incorporated in the valve Pressure Independent (or EPIV PICCV), combines the function of automatic balancing valve and a control valve in a single unit. The PICCV is designed to maintain a stable flow (and hence differential temperature) through a coil despite any pressure fluctuation that may occur in a typical system with multiple interactive control valves and circuits.

- Advertising -

These types of features support the concept of Dynamic Balancing, especially applied in primary and secondary variables hydronic systems. Dynamic balancing avoids the need to continuously rebalance the hydronic system, either changes and alterations in design or installation.

Virtually any system with multiple and interactive circuits requires balancing start and routine, even those "strictly" designed. There are two fundamental reasons for this:

- First, it is very unusual for mechanical systems are designed to perfection. Most are designed (or updated) with one or more of the following flaws: serpentines not properly dimensioned, oversized pumps, pipes incorrect and need perfect authority control valves. All these elements produce pressure fluctuations that have an impact on performance and overall efficiency. Therefore, rolling (and rebalancing) is required unless IP technology is used.

- Secondly, in a system Normal pressure fluctuations as a result of the constant load changes due to air temperatures outside occur, moisture, building occupancy, etc. While there have been some inquiries regarding the feasibility of pressure-dependent systems that do not use rolling, we do not consider this to be a realistic alternative for buildings with multiple and interactive circuits.

On the issue of efficiency and savings in distribution systems of water, we can point out that for optimal efficiency, control valves must maintain a delta T consistent throughout the coil that is in the design value or near regardless of pressure fluctuations in the system. If the delta T design is 12 ° but is only reaching a differential 6 °, then you are wasting energy (and money).

This is where PI design achieves savings by only pumping the required amount and the hydronic system design. As demonstrated by independent testing, IP technology keeps delta T design constant despite the varying conditions due to partial loads and system diversity.

Víctor Orozco's Regional Advisor for Latin America Applications Belimo Americas. He can be contacted via email Victor.Orozco@us.belimo.com

Quoting products and technical services for Latin America

Latest Posts

    • Avatar for Jose Saldivia
    • consultation
    • The discharge pressure of the equipment is one, how much has to be the differential in the ho Depocito ammonia pond, and if there is much more that is ...
    • Avatar for wilfredo castillo
    • condition a room
    • I have to condition an operating room with 100% fresh air (1000 pcm) and maintain the space at 16 * c and 50% relative humidity that temperature bulb dry and ...
    • Avatar dchaverra2
    • ACR Magazine subscription
    • Dear Mr. Please send us an e-mail to subscriptions@acrlatinoamerica.com and we will check your subscription.
    • Avatar of Anonymous
    • ACR Magazine subscription
    • Morning, I am trying to understand how the magazine subscription works since I have not received any update from your ending despite having already ...

Latest Reviews

  • Hello Fredy, write to us at editorial@acrlatinoamerica.com and we can put you in touch with the people of ...

    Read more...

     
  • Dear, can you help me with the information to calculate the efficiency and performance in a system ...

    Read more...

     
  • Hello Lucio, It is best to have the condensed water from the air conditioning drain down ...

    Read more...

     
  • How much health affects wastewater from air conditioning exposed to the outdoors?

    Read more...

     
  • Hello Beatriz, you can contact them directly in the email: informes@cet.mx Regards,

    Read more...

Latin Press
Portales, events, magazines and specialized media
Expos & Conferences
specialized events
Induguia
Guide for HVAC & refrigeration suppliers
Audiovisual systems
Weatherization Solutions
Operation Building Solutions
Paint & Coatings
Electronic Security Solutions
Broadcast Television and New Media
Modern Buildings Management
Audiovisual Systems in Brazil
Audiovisual systems in Colombia
Audiovisual Systems in Mexico
Commercial and Industrial Refrigeration
Operator Meetings and Conferences
Corporate travel

Research Services:
Lead Generation
Data Works and Projects
Multimedia production
Databases
Business surveys
Air conditioning - Components
Air conditioning - Air Difusion
Air conditioning - Compact equipment
Air conditioning - Water Equipment
Air conditioning - Computer equipment rooms
Air conditioning - Hot air generators
Air conditioning - Multi-split cold / heat pump
Air conditioning - Water Systems
Air conditioning - cooling systems
Air conditioning - Split cold / heat pump
Air conditioning - Cooling Towers
Air conditioning - Air treatment
Boilers - Accessories and components
Heating - Accessories Installation
Heating - Heat Emitters
Heating - heat generators
Vent Dampers
pipelines
Control equipment
Measuring Equipment
Personal protective equipment
Regulating equipment
Welding equipment
fancoils
Tools
Tools - Auxiliary for installations
Tools - service vehicles
Radiators - Accessories and components
Recuperative ventilation
Refrigeration - Components for refrigerators
Commercial Refrigeration
Industrial refrigeration
Sodas
Software for Installation
Wastewater treatment
Ventilation - Fan Accessories
Blower