Specification:
Material:brass and stainless steel(body), stainless steel( Leaf blade), plastic (shell)
Interface dimensions: 1/2"(HFS-15)
Control mode: blade type
Max. working pressure: 1.0Mpa
Ambient temperature: 0C~60℃
Liquid temperature: -10~100℃(non-freezing)
Micro switch: single pole double throw (SPDT)
Contact life: 100, 000 cycles
Electrical parameters of micro - switch: 220VAC, 15A
Weight: Approx.407g/14.4oz

Package list:
1 x flow switch
1 x Chinese and English operation manual
3 x paddle

Installation and adjustment:
1. Open the flow switch housing;
2. The switch has been set at the minimum flow value when leaving the factory. Increase the flow setting value and turn the adjusting screw counterclockwise;
3. Press the target to check whether the micro switch can work normally. Excessive clockwise rotation of the adjustment screw may lead to the failure of the flow switch;
4. After the installation, please press the lever of flow switch several times to check. Once it is found that there is no "click" sound when the lever is restored, rotate counterclockwise. Adjust the screws until there is a "click" sound;
5. The adjustment screw of lacquer seal is only for factory to adjust the state of flow switch. Please do not change or adjust it
6. Observe three working cycles, make sure that the switch and the system connected with it are in normal operation, and cover the switch shell in time.