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Constant Pressure Water Supplying Device Verticle Type
The product information and technical details of the pressure-stabilizing expander are as follows:
**Product Specifications:**
- **Model No.:** YL-400
- **Material:** Stainless Steel / Carbon Steel
- **Place of Origin:** Jiangsu, China (Mainland)
- **Brand Name:** Yld
- **Model Number:** Yl-400V
- **Working Pressure:** 0.6 / 1.0 / 1.6 MPa
- **Structure:** Horizontal, Vertical, Compact Structure
- **Water Pump:** Top Brand Pump
- **Trademark:** YLD
- **Specification:** CE, ISO
- **Origin:** Jiangyin, Jiangsu, China
- **HS Code:** 8401409010
**Working Principle:**
In a closed-loop system, it is essential to install a pressure-stabilizing expander to maintain stable system pressure. When the system pressure drops, the pressure in the water chamber of the connected pressure tank also decreases, causing the gas chamber to expand and reduce pressure. This triggers the automatic activation of the water pump to refill the system until the pressure approaches the lower limit set by the control system, at which point it stops. When the water in the system is heated, its temperature rises, causing expansion. The increased pressure in the gas chamber forces water into the expander (or softening tank) via a safety pressure relief device until the system pressure reaches the upper limit, at which point the relief stops. The process continues until the pressure returns to the set value.
**Scope of Application:**
1. Continuous heating supply systems using high-temperature water
2. Industrial and civilian continuous heating systems in hot water stations
3. Hot water and high-temperature water circulation systems
4. Hot and cold water systems for fan coils
**Performance Characteristics:**
This compact pressure-stabilizing expander unit is designed with separate expansion and gas pressure stabilization sections, allowing the maximum expansion capacity of the system to be stored in an isolated expander. This results in up to 90% volume utilization, reducing the overall size and height by 50%-60%, thus saving space and facilitating equipment installation and layout. It also helps reduce civil engineering costs in the machine room.
The system features a safe and advanced automatic control system with dual pumps that can operate alternately or simultaneously. It includes functions such as low water level protection and anti-pressure instability, ensuring the safe and stable operation of the device.
**Technical Parameters Table:**
| Model | Total Volume (m³) | Regulate Volume (m³) | Inlet/Outlet Diameter (mm) | Height of Equipment (H) | Diameter of Tank Φ1 | Length of Trestle A | Support Width B | Weight of Gas Pressure Tank (Kg) |
|---------|-------------------|----------------------|----------------------------|--------------------------|---------------------|---------------------|------------------|----------------------------------|
| YL-400 | 0.125 | 0.038 | 25 | 1200 | 400 | 1200 | 700 | 150 |
| YL-600 | 0.4 | 0.15 | 50 | 2000 | 600 | 1500 | 800 | 250.1 |
| YL-800 | 0.90 | 0.35 | 50 | 2500 | 800 | 1800 | 900 | 325.7 |
| YL-1000 | 1.37 | 0.41 | 65 | 2680 | 1000 | 2000 | 1100 | 430.4 |
| YL-1200 | 2.30 | 0.59 | 65 | 2970 | 1200 | 2200 | 1300 | 815 |
| YL-1400 | 3.40 | 1.02 | 80 | 3350 | 1400 | 2400 | 1400 | 1150 |
| YL-1600 | 5.034 | 1.57 | 80 | 3600 | 1600 | 2600 | 1600 | 1367 |
| YL-1800 | 7.06 | 2.12 | 100 | 3600 | 1800 | 2800 | 1900 | 1863 |
| YL-2000 | 9.42 | 2.85 | 100 | 3800 | 2000 | 3000 | 2100 | 2281 |
This detailed specification ensures that the pressure-stabilizing expander meets various industrial and residential heating needs, offering efficiency, reliability, and ease of installation.