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  Download the catalogue of Vane type Waterflow Switch - Model: ZSJZ-YM-450

Technical Information

• 1. Overview The vane type water flow switch use in wet pipe systems only. Water flow in the pipe deflects a vane, which produces a switched output usually after a specified delay
• 2. Main Components ZSJZ serles water flow Indicator is mainly composed of the saddle, blade rack, bottom plate, outer cover, Air delay device, micro-switch, junction box, etc.
• - The main outline drawing is shown in Figure 1 Outline Drawing.
• - Main dimensions of water flow indicator are shoun in Table 1.
• - Materials of the main components are shown in Table 2.

• Size: DN50-DN200 / 2"- 8"
• Working Pressure: 450PS
• Sensitivity:
  FM:
  1. No-alarm flow < 15L/min
  2. Alarm flow; 15L/min, < 75L/min
  UL:
  1. No-alarm flow $15L/min
  2. Alarm flow; 15L/min; < 37.5L/min
• Capacity of Switch Contacts: AC 125/250V 8A DC 24V 3A DC 30V 2.5A
• Working Temperature: 0-49°C
• Steel Pipe: SCH10-40
• 0-90 Seconds Field Replaceable Retard