150mm direct bottom with flange fast socket adjustment service vacuum low bellows pressure meter manometer
50mm chrome cover stable quality vacuum pressure no oil standard common manometer
60mm front flange small vacuum type pressure gauge of calibration machine
100mm black steel normal material pressure tube type vacuum piezometer
100mm double brass connection normal steel material vacuum double needle pressure manometer
150mm large diameter plastic glass window vacuum water pressure gauge
50mm axial connection glycerol oil or silicone oil master vacuum manometer
60mm bourdon tube vacuum all stainless steel silicone oil level manometer
50mm glass level type black background dial liquid pressure meter
60mm axial mount colorful dial vacuum shock resistant pressure gauge
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