Precision Water Level Automation for Industrial and Commercial Tanks
The Remote Control Diaphragm Float Valve is a sophisticated hydraulic control valve designed to maintain fluid levels within a set range in water towers, tanks, and reservoirs. It achieves highly accurate and reliable level management by combining a robust main valve with an external, float-actuated pilot valve. This design ensures automatic water supply shut-off to prevent overflow and immediate activation to prevent levels from dropping too low.
🎯 Core Function and Operational Principle
This valve consists of a main diaphragm valve and an external pilot float valve assembly.
- Automatic Supply: The external float ball tracks changes in the water level. The float controls the pilot valve, which, in turn, controls the pressure differential acting on the main valve’s diaphragm.
- Level Control: When the water level reaches the set height, the pilot valve signals the main valve to close the inlet immediately, halting the water supply. When the level drops, the pilot valve signals the main valve to open, initiating automatic replenishment.
- Performance: The main valve operates with a fast-open, slow-close action, which effectively eliminates water hammer. The tight sealing ensures there is absolutely no risk of overflow.
✨ Product Advantages
- Precision Control: Liquid level control is highly accurate and unaffected by pressure fluctuations within the supply line.
- Convenient Installation: The Diaphragm Remote Control Float Valve can be installed at virtually any location relative to the tank height and available space, simplifying maintenance, inspection, and commissioning.
- Reliable Performance: Features reliable sealing, a long service life, and robust diaphragm valve performance suitable for pipelines up to DN450 (450 mm) in diameter.
🛠️ Main Components and Materials
| No. | Main Component (主部件) | Material (材质) | Translation & Note |
| 1 | Valve Body (阀体) | QT450 | Ductile Iron (for strength and durability) |
| 2 | Seal Ring (密封圈) | Nitrile Rubber (丁腈橡胶) | Common for water and oil sealing. |
| 3 | Main Disc (主阀瓣) | QT450, Copper (铜) | Main sealing component. |
| 4 | Diaphragm Plate (膜片压板) | QT450, Copper (铜) | Supports the diaphragm movement. |
| 5 | Bonnet (阀盖) | QT450 | Valve cover. |
| 6 | Spring (弹簧) | Stainless Steel (不锈钢) | Corrosion resistance for reliable control. |
| 7 | Pilot/Needle Valve (导阀、针型阀) | Brass (黄铜) | Controls pressure to the main diaphragm. |
| 8 | Fasteners (紧固件) | Standard Parts (标准件) | Bolts and nuts. |
📊 Performance Parameters & Dimensions
| Parameter | Detail |
| Nominal Pressure | PN1.0 – PN1.6MPa |
| Applicable Temperature | 0 – 80°C |
| Applicable Media | Water and weak corrosive fluids. |
| Test Pressure | Shell : 1.5 – 2.4\MPa | Seal 密封1.1 – 1.76MPa |
🏭 Typical Applications
- Automatic water supply systems in industrial and mining enterprises.
- Water level control in civil construction (e.g., apartment complex water towers).
- Circulation water supply systems for atmospheric pressure boilers.
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