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°c without spring only or depending on demand, with special spring. dn pn operating conditions pressure in bar maximum temp. in °c minimum temp. in °c / " to " (gas, npt or sw) - ( ) ( ) n°. piece piece body cap piston spring brass (en-cw n) brass (en-cw n) stainless steel (en- ) stainless steel (en...
how much water does hydraulic fracturing use? how is groundwater protected during hydraulic fracturing? does fracking cause flaming water faucets? how many jobs has the oil and natural gas industry created? does hydraulic fracturing cause earthquakes? what are fracking myths?...
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– conduction, convection and radiation – thus making them effective all year round, unlike photovoltaic cells that are effective only when the sun is out. what's more, blue star's solar air conditioning systems are extremely eco-friendly, not just because they use renewable energy but also because water...
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