Gulzar Technical Services L.L.C

27/04/2026

🚧 𝗖𝗵𝗶𝗹𝗹𝗲𝗱 𝗪𝗮𝘁𝗲𝗿 𝗣𝗶𝗽𝗲 𝗜𝗻𝘀𝘁𝗮𝗹𝗹𝗮𝘁𝗶𝗼𝗻 – 𝗠𝗲𝘁𝗵𝗼𝗱❄️🔧

At 𝗚𝘂𝗹𝘇𝗮𝗿 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀, we follow a precise and professional method to ensure high-quality chilled water pipe installation for long-lasting performance and efficiency.

✅ 𝗦𝘁𝗲𝗽-𝗯𝘆-𝗦𝘁𝗲𝗽 𝗣𝗿𝗼𝗰𝗲𝘀𝘀:
🔹 Site inspection & drawing verification
🔹 Material approval & proper storage
🔹 Pipe routing as per approved layout
🔹 Cutting, threading, and welding with care
🔹 Installation of valves & supports
🔹 Pressure testing & leak checking
🔹 Insulation & final finishing

💡 We ensure all work complies with safety standards and project specifications, delivering reliable HVAC solutions every time.

📞 Contact us today: 𝟬𝟱𝟲𝟯𝟴𝟵𝟱𝟵𝟲𝟱
📍 Serving across Dubai & UAE

25/04/2026

❄️ 𝗡𝗲𝗲𝗱 𝗙𝗖𝗨 𝗜𝗻𝘀𝘁𝗮𝗹𝗹𝗮𝘁𝗶𝗼𝗻 𝗶𝗻 𝗗𝘂𝗯𝗮𝗶?

Get expert service with 𝗚𝘂𝗹𝘇𝗮𝗿 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 𝗟𝗟𝗖🔧

✔ Fast & Reliable
✔ Professional Installation
✔ Residential & Commercial

📞 𝗖𝗮𝗹𝗹 𝗡𝗼𝘄: 𝟬𝟱𝟲𝟯𝟴𝟵𝟱𝟵𝟲𝟱
💬 𝗚𝗲𝘁 𝘆𝗼𝘂𝗿 𝗙𝗥𝗘𝗘 𝗤𝘂𝗼𝘁𝗲 𝗧𝗼𝗱𝗮𝘆!



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23/04/2026

🚰 𝗕𝗮𝗹𝗮𝗻𝗰𝗶𝗻𝗴 𝗩𝗮𝗹𝘃𝗲 𝘃𝘀 𝗣𝗜𝗖𝗩 𝗩𝗮𝗹𝘃𝗲 – 𝗪𝗵𝗮𝘁’𝘀 𝘁𝗵𝗲 𝗗𝗶𝗳𝗳𝗲𝗿𝗲𝗻𝗰𝗲? ❄️

At 𝗚𝘂𝗹𝘇𝗮𝗿 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀, we believe in using the right technology for better performance and energy efficiency.

🔧 𝗕𝗮𝗹𝗮𝗻𝗰𝗶𝗻𝗴 𝗩𝗮𝗹𝘃𝗲
✔ Manual adjustment
✔ Flow can change with pressure
✔ Suitable for basic systems

⚙️ 𝗣𝗜𝗖𝗩 𝗩𝗮𝗹𝘃𝗲 (𝗣𝗿𝗲𝘀𝘀𝘂𝗿𝗲 𝗜𝗻𝗱𝗲𝗽𝗲𝗻𝗱𝗲𝗻𝘁 𝗖𝗼𝗻𝘁𝗿𝗼𝗹 𝗩𝗮𝗹𝘃𝗲)
✔ Automatic flow control
✔ Maintains constant flow
✔ Saves energy & improves system efficiency

💡 Choosing the right valve can improve your HVAC system performance, reduce energy costs, and ensure proper cooling.

📞 Contact us today for professional HVAC installation, maintenance & consultation.

WhatsApp: 056 389 5965
👉 𝗚𝘂𝗹𝘇𝗮𝗿 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 𝗟𝗟𝗖 – Reliable. Professional. Affordable.

23/04/2026

Typical Fan Coil Unit (FCU) Piping Connection – Components Explanation

Fan Coil Units (FCUs) are widely used in chilled water air-conditioning systems to provide cooling for indoor spaces. Proper piping connections and the correct installation of accessories are essential for efficient operation, system balance, and ease of maintenance.

The diagram illustrates a typical FCU chilled water supply and return connection. Below is a detailed explanation of each component.

⸻

1. Fan Coil Unit (FCU)

The FCU consists of:
• Cooling coil
• Fan
• Air filter

Chilled water flows through the coil, where heat is absorbed from the room air and removed via the chilled water system.

⸻

2. Chilled Water Supply Line (CHWS)

This line delivers chilled water from the chiller to the FCU.

Components on CHWS:

🔹 Gate Valve (TYP)
• Used for isolating the FCU during maintenance or shutdown.
• Allows complete on/off control of water flow.

🔹 Strainer
• Installed before the FCU.
• Protects the cooling coil and control valves by trapping dirt and debris.

🔹 Temperature Gauge (TYP)
• Measures the incoming chilled water temperature.
• Helps in performance monitoring and troubleshooting.

🔹 Pressure Gauge (TYP)
• Monitors system pressure.
• Used to check proper water flow and detect blockages.

🔹 Flexible Connection (TYP)
• Prevents vibration transfer between FCU and piping.
• Facilitates easy installation and removal.

⸻

3. Chilled Water Return Line (CHWR)

This line carries warm water back to the chiller after heat exchange.

Components on CHWR:

🔹 Motorized Control Valve
• Automatically regulates water flow based on room temperature demand.
• Controlled by the thermostat or Building Management System (BMS).

🔹 Balancing Valve (BV)
• Ensures the correct design flow rate through the FCU.
• Essential for hydraulic balancing of the chilled water system.

🔹 Gate Valve (TYP)
• Allows isolation of the return line for servicing.

🔹 Temperature & Pressure Gauges
• Used to monitor return water conditions and system performance.

⸻

4. Drain Valve
• Installed at the lowest point of the FCU connection.
• Used to drain water during maintenance or coil cleaning.

⸻

5. System Operation Summary
1. Chilled water enters the FCU through the CHWS line.
2. Water passes through the strainer and control valves.
3. Heat exchange occurs inside the cooling coil.
4. Water exits through the CHWR line and returns to the chiller.
5. Control and balancing valves maintain proper flow and temperature control.

⸻

Conclusion

Each component in the FCU piping connection plays a vital role in:
✔ Efficient heat transfer
✔ System balancing
✔ Vibration control
✔ Easy maintenance
✔ Reliable long-term operation

21/04/2026

Inspection day. Drinkit Coffee Dubai Creek Harbour.

15/04/2026

Old FCU removal work at Papa Johns, Al Ghurair Center, Deira Dubai.

12/04/2026

FAHU Valve Package Installation at Papa Johns, Al Ghurair Center, Deira Dubai.

31/03/2026

Valve Package Installation.

27/03/2026

We have started a new site in Arabian Ranches, Dubai.

17/03/2026

07/03/2026

06/03/2026