ZEN-GRG550/2/G50HD0FTEX – Zenit Grey Grinder Pump – 807380
Technical Specifications
| Brand | Zenit Pumps |
| Product Type | Submersible Pump |
| Suitable For | Sewage |
| Approval | ATEX certified Ex d. |
| Max Flow (L/sec) | 4.5 |
| Kilo Watts | 4.0 Kw |
| Max Head (m) | 42.5 |
| Port Size Outlet | G 2″ – DN32 |
| Series | Grey |
| Warranty (months) | 12 |
| Volts | 415 V |
Zenit GRG Grey Series
The Zenit Grey series is a new solution for pumping wastewater and black water in civil, residential and industrial applications.
Zenit Grey pumps feature cleverly redesigned hydraulics and motors to guarantee high performance, low consumption and outstanding versatility. These all translate to greater product efficiency, impeccable reliability and lower operating costs.
GRG Suitable for
- Blackwater / Sewage
- Lifting of liquids containing fibres and filaments
- Professional and industrial applications
- Livestock farms
Suitable for use in underground carparks.
ATEX certified Ex d.
Hydraulics
- Multi-channel open impeller
- Grinding system with rotary knife
Efficient & Reliable
The Zenit Grey series offers reduced purchasing, installation and maintenance times and costs thanks to a wide choice of models and the use of immediately available standard components.
Exceptionally reliable, the Grey series needs far fewer repairs, meaning reduced costs. Running costs will be lower and there will be fewer system stoppages, allowing more effective maintenance scheduling.
| Construction materials | |
|---|---|
| Motor casing | Cast iron GJL-250 |
| Impeller | Cast iron GJL-250 |
| Mechanical seals | Two in silicon carbide (2SiC) |
| Nuts and bolts | Stainless steel – class A2-70 |
| Standard gaskets | NBR |
| Drive shaft | AISI 431 Stainless Steel |
| Chopper knife | Chromium steel (GRG) |
| Painting | Bicomponent epoxy paint with high resistance to corrosion |
| Operating specifications | |
|---|---|
| Max operating temperature | 40°C |
| pH of liquid | 6 ÷ 14 |
| Liquid viscosity | 1 mm2/s |
| Max submergence | 20 m |
| Liquid density | 1 kg/dm3 |
| Max acoustic | <70 dB |
| Max. starts/hour | 20 (<10 kW) 15 (>10 kW) |
