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Rectangular gate valve TwinVAT

Rectangular gate valve TwinVAT
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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

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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 –...

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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...

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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...

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