| GENERAL CHARACTERISTICS ITEM DESCRIPTION | MOLDED NYLON; NYLON TUBING; RAPID SHUTOFF,ACRYLIC PLASTIC TOP; FLEXIBLE VINYL-PLASTIC COLUMNS,FLEXIBLE SPRING STEEL SCALE CALIBRATED IN IN. OF WATER USING WATER; IN. OF MERCURY USING MERCURY; PRESSURE RANGE 4-0-4 IN. TO 60-0-60 IN.; VELOCITY AND STATIC PRESSURE,FOR LEAKAGE,FAN AND BLOWER TESTS,CALIBRATING CONTROL DEVICES,GAS PRESSURE; TOTAL PRESSURE 50 PSI; ROLL UP FOR EASY HANDLING |