65 BA 1 1 2 3 Kv Kv 1 Kv 66 Kv Kv = Q/ P1/2 Q m3/h P P1-P2 bar 2 1 2 2 Kv 1 P2 > 0.5P 1 Kv = Q / 31.6 P1-P2 1/2 2 P2 0.5P 1 Kv = Q / 22.3 P1 1/2 Q kg/h P P1-P2 bar P1 bar P2 bar Kv Kv 67 2 P = 0.5~0.7 Pg-Ph Pg bar Ph bar 1bar Q = W / 5 Q m 3 /h W kW 5 5 W kW 5 Q m3 /h 5 1 2 DN100 DN80 KV 5 Kv = W / 3.5 5 Kv = Q / 0.7 68 m3/h kW 10 4kcal/h TR KV mm 1 2000 11.30 0.97 3.23 3 DN25 2 30