THE HPTACC (HIGH PRESSURE TURBINE ACTIVE CLEARANCE CONTROL) VALVE HAS INTERGRATED DUAL BUTTERFLY VALVES DRIVEN BY A SINGLE FUEL POWERED ACTUATOR. POSITION FEEDBACK TO THE ECU IS PROVIDED BY A DUAL CHANNEL LVDT INSTALLED ON THE ACTUATOR. ONE BUTTERFLY VALVE CONTROLS THE FLOW FROM THE 4TH STAGE COMPRESSOR BLEED WHILE THE OTHER BUTTERFLY VALVE CONTROLS THE FLOW FROM THE 9TH STAGE COMPREESOR BLEED. THE 4TH STAGE AIR IS MIXED WITH THE 9TH STAGE AIR DOWNSTREAM OF THE VALVE. SIZE 37 X 25 x 21 CMS. NET WEIGHT 9.1 KG.

CLASSIFICATION HAS BEEN DETERMINED IN ACCORDANCE WITH THE FOLLOWING:- GENERAL INTERPRETATIVE RULES (GIR)S: GIR 1 HAS BEEN USED TO CLASSIFY THIS PRODUCT BY THE TERMS OF HEADING 8481TAPS, COCKS, VALVES AND SIMILAR APPLIANCES FOR PIPES, BOILER SHELLS, TANKS, VATS OR THE LIKE, INCLUDING PRESSURE REDUCING VALVES AND THERMOSTATICALLY CONTROLLED VALVES. GIR 6 HAS BEEN USED TO CLASSIFY THE GOODS TO SUBHEADING LEVEL 848180 OTHER APPLIANCES CN CODE 848180 BUTTERFLY VALVES TARIC CODE 8481808530 FOR USE IN CERTAIN TYPES OF AIRCRAFT. ALSO CLASSIFIED IN ACCORDANCE WITH: HSEN'S TO CHAPTER 8481