220 NEEDLE VALVE GATE VALVE FULL-OPEN Cv VALUE mm 15, 20 25 inch 1/2, 3/4 1 PORT SIZE (mm) 6 15 6 15 FULL-OPEN Cv VALUE 0.7 4.5 0.7 6.0 FULL-OPEN Cv VALUE mm 40 50 65 80 100 125 150 200 250 300 350 inch 1 1/2 2 2 1/2 3 4 5 6 8 10 12 14 Full open Cv VALUE GATE VALVE (TYPE P) 130 180 415 470 690 1,000 1,400 2,900 3,700 5,200 7,000 GATE VALVE (TYPE S) 130 180 415 470 690 1,000 1,400 2,900 . . . 0 50 100 Cv VALUE (%) OPENING DEGREE (%) 0 10 20 30 40 50 60 70 80 90 100 0 50 100 Cv VALUE (%) OPENING DEGREE (%) 0 10 20 30 40 50 60 70 80 90 100 0 50 100 Cv VALUE (%) OPENING DEGREE (%) 0 10 20 30 40 50 60 70 80 90 100 0 50 100 Cv VALUE (%) OPENING DEGREE (%) 0 10 20 30 40 50 60 70 80 90 100 0 50 100 Cv VALUE (%) OPENING DEGREE (%) 0 10 20 30 40 50 60 70 80 90 100 15 mm・20 mm・25 mm TYPE P: 40 mm . 350 mm 15 mm・20 mm (PORT SIZE 15 mm) TYPE S: 40 mm . 200 mm 25 mm (PORT SIZE 15 mm)