Large transfer valve TwinVAT Service-friendly and lightweight valve for FPD production systems, Series 06.1 Opening sizes: 100 × 1000 mm ( 3.94" × 39.37") to 300  × 3800 mm ( 1.81" × 149.60") 1 Patent pending Fast opening and closing Vacuum is maintained in one chamber during maintenance Low particle generation (low shock during operation) Easy maintenance Reduced Cost of Ownership

Large transfer valve TwinVAT Features – Twin-gate design: double safety against leakage of the valve – Easy and fast maintenance by quick-release fastener – No system downtime during maintenance: one gate maintains the vacuum in one chamber (see «service position 3» in the illustration below) – Identical flange-to-flange dimension of 150 mm for all valves with openings up to 300 × 3800 mm – Three different service positions to meet customer maintenance demands – Increased safety: safety mode during maintenance to prevent movement of the gate assembly Functional principle Top cover – Pneumatic...

Series 06.1 Technical data Leak rate 3): valve body, valve seat Differential pressure on valve body and gates, in closing direction 1) Differential pressure at opening Cycles until first service Closing or opening time ≤ 2 s (with 150 mm opening height) Temperature 3) – Valve body, gate – Actuator – Solenoid valve Heating and cooling rate Temperature difference between seat and gate Material – Valve body, gate – Actuator shafts – Bellows on pressure element Seal – Gate, flanges, feedthrough, actuator shaft feedthrough Mounting position Position indicator: voltage Pressure inside the valve body...

Large transfer valve TwinVAT Requirements list for valve specification Application Application Glass coat System layout Pressure range in process [mbar]: ……… Required leak rate: [mbar ls-1]: ……… Duration of process [s] Process time: ……… Transfer time: ……… Closing/opening time [s] Closing: ……… Temperature [°C] Chamber wall: ……… Number of valve cycles per day: ……………… Valve specification Opening dimensions [mm]: …………… × …………… Differential pressure at opening: Mounting position (view on seat side = A-side) Valve connection to chamber A-side flange (seat side) B-side flange (rear side) – Flange seal...