Possibility #2 Not all asthmatics wheeze throughout an attack. Some don't wheeze at all. Sometimes lack of wheezing means they are no longer compensating so the lungs are hyper-inflated to the max and wheezing can't happen. Neither lung sounds nor O2 sats are good indicators for asthmatics. Peak- Flow meters are the best way to determine the status.
1 Answer. 0. The upper limit temperature for pressure service is 140 degrees Fahrenheit. ln structural pipe, gravity flow application in stable oils; the upper thermal limit is considered to be in the range of 160F for long term exposure; and up to 180 degrees Fahrenheit for short-term intermittent exposure.
It is not resistant to certain oils, organic solvents, halogens and acids, depending on the concentration, temperature and pressure. Our MDPE pipe is available in blue for below ground, and black for above ground applications. For MDPE pipe dimensions and sizes, visit the relevant blue or black pipe section. Pipestock are one of only a few suppliers who stock the Protecta-Line range of MDPE barrier pipes, as developed by GPS PE Pipe Systems. If you require any further information then donât hesitate to ring us here at Pipestock on 0845 634 1053.