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By certification 
Product parameters:
★Product specifications: DN1~DN50
★Applicable medium: water, sulfuric acid, hydrochloric acid, organic solutions, chemical reagents and other acid-base liquids or gases
★Control mode: normally closed, normally open, self-holding
★Valve body material: PTFE, PVC, ABS, stainless steel 316
★Power supply voltage: DC12~127V AC36~380V
★Medium temperature: -5 ~ 50℃
★Pressure range: 0~0.3MPa 0~0.6MPa
★Medium viscosity: less than 50Cst (customization is required when it is greater than)
★Connection method: flange, welding, internal thread (external thread and special interface can be customized or add adapter)
★Protection performance: dustproof, waterproof and explosion-proof. Choose according to working conditions
★Connection method: terminal block type; lead type; plug type
★Leakage amount: zero
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