SRJ-015

The working principle of the pressure reducing valve is to change the speed and pressure of the fluid through the valve by adjusting the passage area of the fluid. When the pressure in the system exceeds the set pressure range, the pressure reducing valve will automatically open, allowing a part of the fluid to flow out, thereby reducing the pressure of the system. Conversely, when the pressure of the system is lower than the set value, the pressure reducing valve will close to prevent the fluid from continuing to flow out, thereby maintaining the stability of the system.

Pressure reducing valve can be divided into direct and indirect two types. Direct type pressure reducing valve is the pressure reducing valve and regulating valve into one design, by adjusting the tension of the spring to achieve the adjustment of the fluid pressure. The indirect pressure reducing valve is divided into two parts: the main pressure reducing valve and the auxiliary pressure reducing valve. The main pressure reducing valve is responsible for receiving high-pressure fluid and making preliminary adjustment, while the auxiliary pressure reducing valve makes fine adjustment to the main pressure reducing valve to achieve more accurate pressure control.

In the industrial field, pressure reducing valve is usually used in water treatment, petrochemical, pharmaceutical, fertilizer, electric power and other industries. For example, a pressure reducing valve can be used to reduce the pressure of a high-pressure water source to a suitable pressure to ensure the normal operation of the equipment and the safety of water. In civil facilities, pressure reducing valves are also widely used in building water systems, HVAC systems, etc., to protect system equipment and pipelines from high pressure hazards.

Valve in practical applications need to consider a variety of factors, such as flow, pressure, medium and temperature. Different working conditions and requirements may require the selection of different types and specifications of the pressure reducing valve. Therefore, the choice of suitable pressure reducing valve needs to consider the specific situation and needs of the system, and refer to the relevant technical parameters and standards.

In short, the pressure reducing valve is an important fluid control device that can effectively protect system equipment and pipelines from excessive pressure damage. Pressure reducing valve is widely used in the industrial field and civil facilities, and plays an important role in ensuring the safe and reliable operation of the system.

Feature 
◆ Applied for remote automatic reading system. 
◆ Meter with pulse output: Available 1L, 10L, 100L or 1000L per pulse for choice. 
◆ Water meter equipped with a Reed Switch Pulser which can be connected to remote reading systems. The Reed Switch 
◆ Pulser emits signal to collector,a single signal means a certain quantity of water. 
◆ Different option of water quantity per pulse is altemative and data refers to the mentioned table format below.

STANDARD 
Cold Water Meter:ISO 4064 Class A / ISO 4064 Class B 
Hot Water Meter:ISO 4064 Class B 
  
WORKING CONDITION 
Water temperature: 
≤40℃ for cold water meter 
≤90℃ for hot water meter 
The maximum working pressure of the product can be 1MPa or 1.6MPa

MAXIMUM PERMISSIBLE ERROR 
Qmin→ Qt(ex Qt) =±5%; 
Qt→ Qs(bo th included) = ±2% or ±3%(hot water) 
Qm in = Min Flow, Qt =Transition Flow,(过滤流)Qs =Max Flow.

ACCESSORIES 
With every meter, there will be one set coupling optional: 2pcs 
connector, 2pcs nuts and 2pcs gasket.

NOTE 
Meters are factory tested to be class B when installing.

REED-SWITCH ELECTRIC DATA 
Switch voltage:24VAC/DC 
Switch current:0.01A max