Vacuum Tube Lifting SystemsOptional Features Compressed Air Powered Release and Lift Valve for VT Vacuum Tube Lifters View Printer-Friendly PDF Page ANVER VT Vacuum Tube Lifters can now be equipped with a pneumatic release & lift assist valve: Model VT-RLV-M for the Mini series VT vacuum tube lifters and model VT-RLV-S for the Standard series. The VT-RLV-M/S … Continue reading Pneumatic Release and Lift Assist Valve for VT Vacuum Tube Lifting Systems Model# VT-RLV-M/S