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bronze
Bronze is an alloy consisting primarily of copper, commonly with about 12–12.5% tin and often with the addition of other metals (such as aluminum, manganese, nickel or zinc) and sometimes non-metals or metalloids such as arsenic, phosphorus or silicon. These additions produce a range of alloys that may be harder than copper alone, or have other useful properties, such as strength, ductility, or machinability.
The archaeological period in which bronze was the hardest metal in widespread use is known as the Bronze Age. The beginning of the Bronze Age in India and western Eurasia is conventionally dated to the mid-4th millennium BCE, and to the early 3rd millennium BCE in China; elsewhere it gradually spread across regions. The Bronze Age was followed by the Iron Age starting from about 1300 BCE and reaching most of Eurasia by about 500 BCE, although bronze continued to be much more widely used than it is in modern times.
Because historical pieces were often made of brasses (copper and zinc) and bronzes with different compositions, modern museum and scholarly descriptions of older objects increasingly use the generalized term "copper alloy" instead.
Need to spec a bronze. pump for a secondary return circuit. Furthest point approx 35 metres in 22mm.
Any recommends for which pump size and type?
This circuit serves an occasional-use bathroom which may not be used for a week at a time.
Since it's occasional use I would like to be able to...
Hi all
Customer has purchased hive hot water and heating unit.
The current programmer is an ESI 3247b 3 channel.
Wiring for the hot water on 3 heating on 4 but on 6 is the connection for the pipe stat/bronze pump.
Is there a way around this as the hive doesn’t appear to allow connection for...
Bronze Body DHW Recirculation Pump. Excellent Price. Only £77.00 Ex VAT
BUY HERE
Bronze Body DHW Recirc Pump
Model : Bronze pump BRZPUMP-C
Energy Efficiency Index: < 0.4
Power : 230V 50Hz
Structure : Single-stage Three-speed Centrifugal Pump
Type : Circulator Pump
Application : Domestic...
I’m a homeowner with no experience of hot water systems, so any help will be greatly appreciated.
I’ve not been living in my house for the last 12 months (due to a flood), but I’ve recently had a much higher than expected bill. I had a brand new boiler and cylinder with bronze pump fitted in...
Just a quick one is there any reason why a bronze pump cant be fitted to the hot outlet on an unvented with the secondary return, teeing into the cylinder cold feed with swept tee (cylinder has no secondary return tapping)
I have a 500L vented cylinder in a 6 storey building. It has a secondary hot water return loop that is currently using a grundfos 15-50 pump. I don't think it's the correct size but i'm unsure because of the differences between a sizing a closed loop system (i.e a heating circuit) and an open...
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