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1. Overview
SP45F and SP15F Digital Locking Balancing Valves exemplify an advanced type of adjustment valve featuring a unique digital locking function. These valves boast a direct current valve body design, ensuring excellent flow dynamics and optimal flow distribution. Our valves effectively tackle challenges related to uneven temperature distribution in heating and air conditioning systems. They meticulously fine-tune pressure drop and flow, enhancing liquid movement within pipeline setups and fulfilling objectives of balanced fluid distribution and energy efficiency.
SP45F and SP15F Digital Locking Balancing Valves come equipped with state-of-the-art indicators, a secure locking mechanism, and a precision pressure measuring valve for accurate flow assessment. Simply install the balancing valves of specified dimensions at each branch and user entrance, secure them post single-time adjustment using a specialized intelligent tool. This ensures that the system's total water volume remains within an optimal range, effectively eliminating any discrepancies caused by 'large flow, small temperature difference'. The SP45F and SP15F balancing valves are quintessential for heating systems. While installation is possible on both supply and return pipes, it is generally advocated to position them on return pipes for high-temperature circuits to facilitate easier adjustments. Supply (return) pipes with balancing valves negate the need for additional shut-off valves.
2. Product Characteristics
This valve serves as a balancing valve, ideal for diverse liquid pipeline systems, representing a cutting-edge solution for energy conservation. The valveis a pioneering energy-saving valve with a calibrated digital display for intuitive adjustments to bespoke settings, featuring a lockable mechanism. This valve proves indispensable in industrial and civil heating pipeline frameworks. Addressing the prevalent issue of hydraulic imbalance, balancing valves offer a precise solution, refining pressure drop and flow rate to upgrade liquid dynamics in pipeline systems, thus achieving fluid balance and energy savings. Even in the modernization of dual-pipe networks, implementing this valve continues to yield energy conservation and excellent performance.
3. Main Technical Parameters
| Nominal Pressure (MPa) |
Applicable temperature |
Body Test Pressure (MPa) |
Characteristic Curve |
Applicable medium |
Installation range |
| 1.0 | ≤120ºC | 2.5 | Equal Percentage |
Water, oil and other non-corrosiveErosive liquid | Pipe network system trunk,branch trunk, indoor water supply trunk, branch risers andmultiple boilers |
| 1.6 | 1.4 |
4. Product Standards
Design and manufacturing standard adheres to BS7350-1990; Inspection test standard BS7350;
Flange connection standard GB/T17241.6-2008 "integral cast iron flange";
Structure length standard GB/T12221-05 "Metal valve structure length";
The wire connection standard is GB/T7306.1-7306.2
5. The Main Parts Material
6. The Main Connection Size
The figure to the right elegantly illustrates the flow characteristic curve of this advanced valve, crafted meticulously by our factory. It showcases valves with equal percentage characteristics, ensuring a harmonious flow. From the graph, it becomes evident that if the opening experiences an equal rate of change, the flow's rate of change mirrors this, characterized by a robust flow rate when the opening is expansive, and a gentle flow rate when the opening is minimal. In most engineering scenarios, this dynamic is employed when a substantial flow is necessary, and our equal percentage valve is impeccably tailored to meet this demand. This feature allows for the seamless setting of specific flow rates (a unique capability not found in quick opening valves and linear valves), and when adjustments are required, it provides precise knowledge of the change amount, enabling an optimal state to be achieved.
7. The Whole Circle Flow Coefficient KV Value Table
9. Transportation and Storage
1) The valve is carefully packaged to prevent collision, tipping, or squeezing, and must be shielded from rain and snow during both transportation and storage to maintain its pristine condition.
2) The valve should be stored in an environment that is immaculate, dry, fireproof, and well-ventilated, devoid of any corrosive gases that could compromise its integrity.
3) The packed valve must be handled with utmost care using pallets, ensuring that light handling is observed. The use of forklifts or cranes must not directly impact the valve body.
4) Static Balance valve must remain in an open state during transportation and storage, strictly prohibiting closure to prevent damage.
5) Static Balance valve during transportation and storage, the valve seat or spool may be delicately coated with lubricating oil. It is strictly forbidden to use alcohol, gasoline, or other chemical solvents for cleaning to ensure lasting performance.
10. Installation
1) Static Balancing Valve Before and after the Valve Ensure that there is ample length in the branch pipe section to maintain the desired flow output;
2) Verify the static balance installation position Valve according to the schematic. It is advised to place the static balance Valve precisely on the HVAC system's return pipe. Additionally, confirm the pipeline's water flow direction and install the static balance Valve strictly in alignment with the water flow arrow marked on the Valve body.
3) Prior to installing the static balance Valve, clear any debris from the pipeline. It's imperative to eliminate welding slag, twigs, stones, and other unwanted materials to prevent damage to the Valve;
4) Pipe flange welding should not cause undue deformation, while the welding angle must preserve the sealing surface's flatness;
5) Once the static balancing Valve is securely installed, the Valve must be fully opened, enabling the pipeline to flush repeatedly until pristine. Avoid closing the Valve repeatedly during flushing to prevent harm.
6) After cleaning the pipe, operate the static balance Valve several times, confirming the counter reads 'zero' upon closure. The Valve is rigorously
tested before leaving the factory, ensuring the counter is at 'zero' when closed. For component replacement, contact Shanghai Airlines customer service;
11. Debugging and Maintenance
1. System debugging involves the balance Valve If user-initiated debugging is necessary, contact Shanghai Airlines customer service;
2. The balance Valve boasts a life balance design, typically requiring no maintenance or replacement parts under normal conditions;
3. After multiple years of use, the rubber sealing components of the balance Valve may exhibit wear or aging, necessitating rubber seat maintenance.
4. When ambient temperatures fall below freezing in winter, implement anti-freezing measures to shield the Valve body.
12. Typical Installation Diagram
Quality and Inspection:
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