No. SS2-VFR100-0200 Azbil Corporation - 4 - Cv value and travels Figure 2 Flow control characteristics when valve is used in conjunction with positioner cam/unit Table 2 Piping bolt and nut materials and applicable fluid temperature ranges Fluid temperature Material of bolts Material of nuts -25°C to 350°C SNB7 S45C -60°C to -30°C SUS304 SUS304 Table 3 Cv values and travels (Standard model) Nominal size (inches) 1 1. 2 3 4 Rated Cv value Full port 14 30 50 150 250 40% port 5.6 12 20 60 100 Rated travel (Rotating angle) 25 mm (60°) 38 mm (60°) Table 4 Cv values and travels (Multi-hole plate model for unti-cavitation and noise reduction) Nominal size (inches) 1 1. 2 3 4 Rated Cv value Full port 10 22 35 105 175 40% port 4 9 14 42 70 Rated travel (Rotating angle) 25 mm (60°) 38 mm (60°) Table 5 Cv values and travels (Multi-hole plate model HRL single Cv value) (Formed between the flanges) Nominal size (inches) 1 1. 2 3 4 Rated Cv value Full port (for model VFR) 12 32 50 140 245 40% port (for model VFR) 5.7 13 17 60 105 a. Flow characteristics of valve b. Positioner cam/unit characteristics c. Modified flow characteristics (Combination of 4 and 6 characteristics) 0 0 10 20 30 40 50 60 70 80 90 100 10 20 30 40 50 60 70 80 90 100 Cv value (%) Travel (%) Full port 40% port 0 0 10 20 30 40 50 60 70 80 90 100 10 20 30 40 50 60 70 80 90 100 Travel (%) Input signal (%) Cam-2 (VPR) Unit-2 (HEP direct action) Unit-3 (HEP reverse action) Linear (AVP) Cam-1 (VPR) Unit-1 (HEP) Eq% (AVP) 00 10 20 30 40 50 60 70 80 90 100 10 20 30 40 50 60 70 80 90 100 Cv value (%) Input signal (%) Full port + AVP Eq% 40% port + Linear (AVP) Cam-1 (VPR) Unit-1 (HEP) Full port + Cam-2 (VPR) Unit-2 (HEP direct action) Unit-3 (HEP reverse action)