chlorodifluoromethane

(redirected from R22)

chlorodifluoromethane

[klȯr·ō·dī·flu̇r·ō′meth·ān]
(organic chemistry)
CHClF2 A colorless gas with a boiling point of -40.8°C and freezing point of -160°C; used as an aerosol propellant and refrigerant.
References in periodicals archive ?
For the mixture, the equivalent charge quantity for the considered mass of R22 was obtained, along with the mass of R407C and the HC blend, making use of the specific volume ratios at suction condition.
Summary: Following an assessment of the regional situation by senior representatives, DuPont Refrigerants has expressed its concerns over the prevalence of potentially dangerous counterfeits of R22 and R134a refrigerants within the Middle East.
DuPont Refrigerants, a unit of DuPont, a world-renowned chemicals company, has expressed its concerns over the prevalence of potentially dangerous counterfeits of R22 and R134a refrigerants within the Middle East.
It says the implementation of the R22 phase-out will mean that for chillers using R22 and other HCFC refrigerants either an alternative refrigerant will need to be used or the chiller itself will need to be replaced following the opening of the refrigeration circuit.
The two-seat Robinson R22 came down close to Sandtoft airfield beside the M180 near Scunthorpe, Lincs.
MANY petrochemicals facilities still depend on the refrigerant R22 for essential process cooling.
One of the most distinctive parts of the R22 has to be the massive ventilated scope rail and handguard with the cross-section of a FN/FAL forearm.
Bob Healds, of Healds Aviation at the Sherburn club, took to the skies with him recently in a Robinson R22 two-seater helicopter.
The accident at Newcastle Airport, on February 11, 2004, came when pilot Harry Law, 64, attempted to land the Robinson R22 two-seater.
Denis Woodgates, aged 57, of Woodlands St Mary, Hungerford, Berkshire, died from multiple injuries after his Robinson R22 helicopter fell from the sky at Wilmcote near Stratford-upon-Avon last Thursday afternoon.
* Robinson R22. An extremely popular training helicopter.
Speeds at full load for the RUNNER series of actuators (Models R20, R21, and R22) range from 4.5 mm/s to 7.5 mm/s and stroke lengths range from 100 mm-700 mm.