PRM Vacuum Gauge 0 to -60"WC / 0 to -4 inHg, 2.5 Inch Chrome Case, Brass Internals 1/4 Inch NPT Bottom Mount, Dry Gauge Submersible Sump Pump Schedule 80 ball check valves

Schedule 80 ball check valves have a spherical ball inside the valve body which works as a check to allow flow in one direction and close off to prevent back-flow

dimensions and threading

VAPOR PRESSURE @ 25 C <1 x 10-7 torr

PRM Guardian XTreme Tanker Hose Datasheet

PRM Vacuum Gauge 0 to -60"WC / 0 to -4 inHg, 2.5 Inch Chrome Case, Brass Internals 1/4 Inch NPT Bottom Mount, Dry Gauge Submersible Sump Pump Schedule 80 ball check valvesPRM 0 TO 60" WC 0 TO 4 inHg VACUUM GAUGE 2. 5 INCH CHROME CASE INCH NPT BOTTOM MOUNT RANGE: 0 to 60 INCHES OF WATER COLUMN 0 to 4 INCHES OF MERCURY DIAL SIZE: 2. 5 INCH CONNECTION TYPE: 1 4 INCH NPT MALE BRASS CONNECTION LOCATION: BOTTOM BODY MATERIAL: CHROME PLATED STEEL INTERNALS: BRASS DRY GAUGE USEFUL FOR AIR AND WATER APPLICATIONS ACCURATE READINGS: 1. 5% PRM PART # PGCNBTY630452J60WCV