luglugalugaaen |

seabsea

sea nav gua

Language: en spa ru fra it
sea

form

GET YOUR FREE QUOTE

We will contact you within 24 hours.

How PICV Save The Day

Time: 19-May 2025 | Source: I-FLOW| Share

In today’s building systems, precision, efficiency, and comfort are no longer luxuries—they’re essential. Facility managers, mechanical engineers, and HVAC contractors constantly seek ways to improve system stability while minimizing energy waste. That’s where Pressure Independent Control Valves (PICVs) come in.

These innovative valves solve one of the most common and costly problems in HVAC systems: pressure fluctuations that cause inconsistent temperature control and wasted energy. Let’s explore how PICVs truly “save the day.”

The Problem: Fluctuating Pressure, Poor Performance

Traditional control valves operate based on differential pressure, and their accuracy declines when pressure changes throughout the system. As zones open and close, the pressure shifts—leading to overflows, underflows, and temperature imbalances. The result? Discomfort for occupants, inefficiency for equipment, and frustration for facility teams.

The Solution: Pressure Independent Control Valves

A Pressure Independent Control Valve is a two-in-one device: it combines a control valve with a differential pressure regulator. This design ensures that the flow through each terminal unit remains constant, regardless of changes in system pressure.

With PICVs, each coil receives exactly the flow it needs—no more, no less.

Key Benefits of PICVs

✔ Stable and Accurate Flow Control

No matter how many zones are operating, PICVs deliver precise flow rates, maintaining temperature setpoints and comfort across all spaces.

✔ Significant Energy Savings

By optimizing flow and avoiding system imbalances, PICVs reduce pump energy consumption and improve the efficiency of chillers and boilers.

✔ Simplified System Design

PICVs eliminate the need for separate balancing valves and flow limiters. This not only reduces parts and labor costs but also simplifies installation.

✔ Faster Commissioning

Contractors can preset flow rates directly on the valve, which streamlines the startup process and reduces time on site.

✔ Low Maintenance

PICVs are designed to work automatically and continuously. Once set, they don’t require regular recalibration—saving time and cost over the life of the system.

PICVs and Sustainable HVAC Design

Modern buildings demand smarter HVAC solutions that can adapt to variable flow and dynamic loads. PICVs are ideal for these needs, supporting energy-efficient, low-carbon, and LEED-compliant design strategies.

They help reduce system downtime, improve overall building performance, and meet energy regulations—making them a critical component in high-performance HVAC systems.

Why Choose Qingdao I-Flow PICVs

At Qingdao I-Flow, we engineer and manufacture high-quality Pressure Independent Control Valves that offer exceptional control, reliability, and longevity. Backed by over a decade of experience in flow control, our PICVs are trusted by clients in over 40 countries and integrated into some of the world’s most demanding HVAC applications.

Back To The List btn

Related News

How To Select The Right Size Knife Gate Valves
11-December 2025

How To Select The Right Size Knife Gate Valves

In many industrial systems, speed is not just an advantage—it is a necessity. When a pipeline needs to be shut off instantly to prevent backflow, equipment damage, or safety hazards, a quick closing valve becomes the frontline safeguard. These valves are engineered to close rapidly under emergency or controlled conditions, ensuring that fluid movement can be stopped at the critical moment.

View Details
Key Factors To Consider When Choosing Quick Closing Valve
10-December 2025

Key Factors To Consider When Choosing Quick Closing Valve

In many industrial systems, speed is not just an advantage—it is a necessity. When a pipeline needs to be shut off instantly to prevent backflow, equipment damage, or safety hazards, a quick closing valve becomes the frontline safeguard. These valves are engineered to close rapidly under emergency or controlled conditions, ensuring that fluid movement can be stopped at the critical moment.

View Details
What Is The Float Control Valve
10-December 2025

What Is The Float Control Valve

In many water supply systems, maintaining a stable liquid level is essential for safety, energy efficiency, and overall system performance. Among the various level-control devices available, the float control valve stands out for its reliability, simplicity, and ability to operate without external power. As industries move toward smarter and more efficient fluid management, understanding how this valve works—and the advantages it brings—has become increasingly important.

View Details
Best Practices for Installing Balancing Valves
5-December 2025

Best Practices for Installing Balancing Valves

Walk into any mechanical room, and you’ll quickly understand why balancing valves matter. They quietly determine whether an HVAC system runs smoothly or wastes energy with every cycle. While engineers design the system, it’s the installation that ultimately decides whether a balancing valve performs as intended. To help installers, contractors, and facility managers achieve consistent results, here’s a practical look at the best practices that truly make a difference on-site.

View Details
How Long Does Globe Valve Take To Open and Close
21-November 2025

How Long Does Globe Valve Take To Open and Close

When engineers choose a globe valve, they often focus on accuracy, pressure control, and durability. But once the valve is installed, another question always comes up during commissioning: “How long does this valve actually take to open and close?” It sounds simple, yet the answer influences everything—from system safety to actuator selection. In this guide, we break it down clearly and practically, based on engineering experience, manufacturer data, and real usage in industrial plants.

View Details
The Three Ship-Stopping Threats the Mud Box Fights
20-November 2025

The Three Ship-Stopping Threats the Mud Box Fights

Imagine you're on a long voyage, hundreds of miles from port. Everything is humming along until, suddenly, an alarm blares. "High Jacket Water Temperature!" What caused the multi-million dollar engine to start sweating? Often, the culprit is not a complex electronic failure but a simple blockage caused by mud, weeds, or even a rogue plastic bag.

View Details