One-piece chemical additive adding dosing unit

One-piece dosing technical characteristics:
-vice medicine barrel capacity: 40 L, 120 L, 200 L, 500 L, 1000 L (1)
-vice metering pump capacity: for from 0.02 L/H to 1200 L/H
-vice medicine barrel material: PE material, chemical corrosion resistance
Optional UV protection had the PE material
Had the highest temperature of the liquid: 60 °C
Had the/check holes
-40 to 200 L medicine bucket: 100 mm
--500 to 1000 L medicine barrel: 135 mm

Schemes: