Stainless Steel Compound Vacuum Pressure Gauge -30 to 160PSI with 1/4"MNPT/BSPT connection,it is necessary to use on our closed loop extractors and tank.High quality Stainless steel designed specifically for Butane and propane.When its time to pull a vacuum on your system this Compound Pressure gauge has vacuum side down to -30inHg to ensure you evacuated all the air.
Pressure range: -30InHG – 160 PSI
Temperature range: -40℃ to100℃
Wetting Material: SS304
Case material: SS304
Connection: 1/4″ Male NPT