546-00437B | LAB EL ACT, AN/FP, ACT ONLY | Siemens Hex Size_4.2 in 1/2 CPVC TRUE UNION 2000

1/2 CPVC TRUE UNION 2000 INDUSTRIAL BALL VALVE FLANGED FKM VENTED

8X6 PVC REDUCING TEE SOCKET DUCT

3/4 PVC Y-CHECK VALVE SOCKET EPDM

18 PVC BLIND FLANGE DUCT CL150

546-00437B | LAB EL ACT, AN/FP, ACT ONLY | Siemens Hex Size_4.2 in 1/2 CPVC TRUE UNION 2000LAB EL ACT, AN FP, ACT ONLY The Fume Hood Controller is an integral part of the APOGEE Automation System. The controller is a proven, patented stand alone Direct Digital Control (DDC) system for Variable Air Volume (VAV) control of laboratory fume hoods. The controller maintains constant face velocity as the fume hood sash is raised and lowered. An Operator Display Panel provides the fume hood user with the face velocity readout, operating status of