ERA Sch 80 PVC 10 Inch Butterfly Valve, Gear Operated Pressure Gauges The system includes a plate

The system includes a plate which fits inside the housing on top of the bag

Zero calibration functions makes detection more accurate and reliable

Finger-safe design (front) (1/2 in

NRTL Certifications and Approvals:  ASME Section VIII Division 1

or 316 SS Housings

ERA Sch 80 PVC 10 Inch Butterfly Valve, Gear Operated Pressure Gauges The system includes a plateERA SCH 80 BUTTERFLY VALVE GEAR TYPE Butterfly valves are composed of two semi circular plates hinged on a common spindle. Butterfly valves are widely used because of their capabilities to shut off flow immediately, and allow constant, regular flow. Butterfly valves permit flow in one direction only. Unless specifically stated, PVC is not NSF certified.