F TYPE
， Helical tube pressure gauge
， Dial sizes: 1", 1.42", 1.5"
， Application: for medical use or fire extinguisher service
， Gas test pressure gauge
， Dial sizes: 2", 2.5"
， Case type: black steel case, with black steel bezel
， Window: plastic window
， Face and pointer: aluminum finish
， Movement: brass
， Tube: brass or phosphor bronze tube
， Connection: brass bottom connection with steel chrome plated gas test body
， Thread: 3/4"NPT female
， Accuracy: +/-3-2-3% of FSD
， Pressure range: 0-15-200psi
， Restrictor: standard for all range
， Application: for measurement of coal gas service