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Instruction ManualHP and HPA Control Valves - 14722 HP and HPA ValvesJune 2008Table 3. Shutoff Classifications per ANSI/FCI 70-2 and IEC 60534-4VALVEDESIGN PORT DIAMETER,mm (INCHES) LEAKAGECLASS 47.6 (1.875) and smaller II II - Standard 58.7 (2.3125) to 92.1 (3.625) HPD, HPAD III - Optional III - Standard 111.1 (4.375) and larger IV - Optional HPS, HPAS w/ Cavitrol III, or HPT, HPAT w/ Cavitrol III, or HPAS w/Micro-Flat All V HPS, HPAS, HPT, HPAT, HPS, HPAS w/ Micro-Form, or HPS, HPAS w/ Micro-Flute IV-Standard All V-Optional HPT w/ PEEK anti-extrusion rings 47.6 (1.875) to 136.5 (5.375) V to 316 C (600 F)Table 4. Additional Shutoff Classification per ANSI/FCI 70-2 and IEC 60534-4VALVE DESIGN VALVE SIZE, NPS PORT DIAMETER,mm (INCHES) CAGE STYLE LEAKAGE CLASS Equal Percentage, Modified Equal Percentage,Linear (std. cage),Linear (Whisper III, A1, B1) 3 73.0 (2.875) V 4 73.0 (2.875) Linear (Whisper III, D3),Linear (Cavitrol III, 3-stage) V 4 87.3 (3.4375) Linear (Cavitrol III, 2-stage) V HPDwith optionalC-seal trim Equal Percentage, Modified Equal Percentage,Linear (std. cage),Linear (Whisper III, A1, B3, C3) 4 92.1 (3.625) V 111.1 (4.375) Linear (Whisper III, D3) 6 115.8 (4.5625) Linear (Cavitrol III, 3-stage) V Equal Percentage, Modified Equal Percentage,Linear (std. cage),Linear (Whisper III, A1, B3, C3) 136.5 (5.375) 6 V 133.4 (5.25) Linear (Cavitrol III, 2-stage)Table 5. TSO (Tight Shutoff) Leakage Class per ANSI/FCI 70-2 and IEC 60534-4Leakage Class Maximum Leakage Test Medium Test Pressure Leakage Class Valves with TSO trim are factory tested to a more stringent EmersonProcess Management test requirement of no leakage at time of shipment. TSO (TightShutoff) Water Service P(1) V 1. Specify service P when ordering. Table 6. TSO Shutoff AvailabilityLEAKAGE CLASS VALVE DESIGN CONSTRUCTION Standard Optional HPS, HPT Std or Cavitrol III trim. Replaceable, protected soft seat TSO - - - 4 |