Hikelok muaj ntau yam khoom, suav nrog cov twj siv thiab cov khoom siv sib txuas, cov khoom siv siab heev, cov khoom siv huv heev, cov twj siv ua haujlwm, cov khoom siv nqus tsev, lub tshuab kuaj qauv, lub tshuab ua ntej teeb tsa, chav ntsuas siab thiab cov khoom siv cuab yeej.
Hikelok instrument globe valves series npog GL1, GL2. Lub zog ua haujlwm siab tshaj plaws yog txog li chav kawm 4500.
