1 Products 
 Flow range of 0-Show details for guard guard Show details for guardian guardian / H 
 Pressure range: 0-1.0MPA 
 Motor power: 60W, 220V / 380V, 50/60Hz 
 Drive system: two-phase, three-phase standard motor or explosion-proof motor 
 Protection: IP55 
 Material 
 Pump head: 304,316 stainless steel, PVC, PTFE- 
 Diaphragm: PTFE 
 One-way valve: stainless steel 304,316, of PVC, PTFE 
 Valve ball: ZrO2, SUS304, SUS316, ceramic 
 Second, the working conditions 
 Ambient temperature: -30 ℃ --- 60 ℃ 
 Third, the technical parameters 
 Model flow (l / h) (min-1) pressure (MPA) travel (mm) stroke diaphragm diameter (mm) Power (W) Caliber (DN) Weight (kg) 
 DJW9/1.0 10 1.0 3 120 60 60 8 6 
 DJW15/0.5 20 0.5 3 120 60 8 
 DJW25/0.5 40 0.5 4 120 60 8 
 DJW32/0.4 60 0.4 4 120 84 8 
 220V, 380V DC motor can be used. 
 Fourth, the metering pump features 
 Safe operation, mechanically driven diaphragm. 
 Good seal, no leakage, simple and safe assembly and maintenance. 
 It can transfer high-viscosity media, corrosive liquids and dangerous chemicals. 
 Flow regulator to be able to adjust the stroke length or motor frequency. 
 5 for multi-layer composite structure diaphragm pressed, the first layer of the super-toughness Teflon acid film, the second layer of EPDM flexible rubber, the third layer 3.0mmSUS304 support core, the fourth layer is made of reinforced nylon fiber fill, and the fifth layer EPDM flexible rubber completely cladding can effectively put forward l diaphragm for life. 
 Fifth, the metering pump applications 
 Widely used in petrochemical, chemical, electric power, metallurgy, mining, shipbuilding, light industry, agriculture, national defense and other industries.