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Mechanical diaphragm dosing pumps DJ-Z
The DJ-Z mechanically driven diaphragm metering pump operates on the principle of a turbine driven worm gear, which drives a mechanical diaphragm. This design is suitable for dosing liquids in low pressure systems. The diaphragm metering pump provides complete isolation between the fluid in the flow and the diaphragm lubrication mechanism of the drive. With its advanced design, it provides infinitely variable flow control from 0-100% to meet various process requirements. It provides precise dosing of corrosive and non-corrosive fluids free of solids.
Description
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Product overview
The DJ-Z mechanically driven diaphragm metering pump operates on the principle of a turbine driven worm gear, which drives a mechanical diaphragm. This design is suitable for dosing liquids in low pressure systems. The diaphragm metering pump provides complete isolation between the fluid in the flow and the diaphragm lubrication mechanism of the drive. With its advanced design, it provides infinitely variable flow control from 0-100% to meet various process requirements. It provides precise dosing of corrosive and non-corrosive fluids free of solids.
Product benefits
The flow rate can be freely adjusted while the pump is running or in standby mode with precise dosing at the outlet.
High cost-effective, widely used in water treatment industries with moderate pressure requirements.
Multiple pump head material options: PVC, PTFE, 304 stainless steel, 316L stainless steel.
Has an eccentric mechanism that ensures complete tightness; Suitable for installation in chemical tanks or pipelines.
Die-cast aluminum housing provides excellent heat dissipation and lightweight design; Compatible with various acid and alkaline solutions, non-toxic and odorless.
Uses high quality PTFE and rubber composite diaphragms for superior corrosion resistance, which greatly extends the life of the diaphragm.
The diaphragm metering pump is made of multi-layer composite structure: - First layer: heavy-duty acid-resistant Teflon film - Second layer: EPDM elastic rubber - Third layer: 3mm thick SUS304 stainless steel support core - Fourth layer: reinforced nylon fiber reinforcement - Fifth layer: full sealing with EPDM elastic rubber. This design significantly extends the service life of the membrane.
Performance Options
| Model | flow rate (L/h) | Pressure (MPa) | Power (kW) | rotation speed （r/min） | Pump speed (min-1) | Route (mm) | Import and export (mm) |
| DJ-Z 25/1.2 | 25 | 1.2 | 0.37 | 1450 | 48 | 3 | 6 |
| DJ-Z 50/1.2 | 50 | 1.2 | 0.37 | 1450 | 48 | 4 | 10 |
| DJ-Z 80/0.7 | 80 | 0.7 | 0.37 | 1450 | 96 | 6 | 15 |
| DJ-Z 120/0.7 | 120 | 0.7 | 0.37 | 1450 | 96 | 6 | 15 |
| DJ-Z 170/0.7 | 170 | 0.7 | 0.37 | 1450 | 96 | 6 | 15 |
| DJ-Z 240/0.7 | 240 | 0.7 | 0.37 | 1450 | 96 | 6 | 15 |
| DJ-Z 320/0.5 | 320 | 0.5 | 0.55 | 1450 | 144 | 9 | 25 |
| DJ-Z 420/0.5 | 420 | 0.5 | 0.55 | 1450 | 144 | 9 | 25 |
| DJ-Z 500/0.5 | 500 | 0.5 | 0.55 | 1450 | 144 | 9 | 25 |
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