Electronic Government Procurement System of Zimbabwe
Tender Details
Published
30
2007
Single Lot
Request For Quotation Method
Goods
Zimbabwe PPDPA Act Rules
Internally Generated Funds
NO.1 BAOBAB DRIVE, BAOBAB, HWANGE
Water And Sewer Engineering and Utilities
5 Day(s)
HWANGE LOCAL BOARD
27-Aug-2026 04:02 PM
HWANGE LOCAL BOARD
Empumalanga, Hwange
Tsholotsho, Matebeleland North, Zimbabwe EMEA
SUPPLY AND FIXING OF A FLANGED SEWER METER
Project Name: SUPPLY AND FIXING OF A FLANGED SEWER METER
Description:
Request for the fix and supply of a flanged digital waste water flow meter on a 160mm diameter sewer pipe. X 1
The supplier should include labour, materials and tools.
Specification – DN150/DN160 sewer flow meter
Sewer Flow meter for a gravity sewer, electromagnetic flow meter installed in a full-bore section.
Parameter
Recommended specification
Application
Municipal sewer/wastewater flow measurement
Nominal pipe diameter
DN160 mm
Meter size
DN150 or DN160, subject to manufacturer's available sizes and pipe arrangement
Type
Electromagnetic (Mag) flow meter
Measuring principle
Faraday's law of electromagnetic induction
Liner
Hard/soft rubber, PTFE or equivalent wastewater-resistant liner
Electrodes
Stainless steel 316L or equivalent wastewater-grade material
Body
Carbon steel/stainless steel, suitably coated for sewer environment
Accuracy
Typically ±0.5% of reading or better
Flow range
Approximately 0.1–10 m/s, with normal design operation preferably around 0.5–5 m/s
Minimum conductivity
Typically ≥5–20 µS/cm, depending on manufacturer
Protection
Minimum IP67; IP68 preferred for sewer chambers/submerged installations
Power supply
24 VDC or 85–265 VAC, depending on installation
Output
4–20 mA, pulse/frequency and RS485/Modbus recommended
Display
Local digital flow-rate and total-volume display
Data logging
Recommended for municipal sewer monitoring
Temperature
Typically 0–60 °C wastewater
Pressure rating
PN10/PN16 where applicable
Connection
Flanged, compatible with the existing 160 mm sewer pipe
Installation
In a straight, full-flow section with appropriate upstream/downstream straight lengths
