In a variety of valves, the ball valve flow resistance is small, full bore ball valves open, the ball channel, the valve body channel and connecting pipe diameter is equal and into a diameter, the medium can flow through almost no loss. Ball valves can be rotated 90 ° to full closed full open, open and close quickly. With the same specifications of the gate valve, globe valve comparison, ball valve small size, light weight, easy to install pipeline.
130 | 95 | 65 | 45 | 14 | 2 | 4-14 | |
140 | 105 | 75 | 55 | 14 | 2 | 4-14 | |
150 | 115 | 85 | 65 | 14 | 2 | 4-14 | |
165 | 135 | 100 | 78 | 16 | 2 | 4-18 | |
180 | 145 | 110 | 85 | 16 | 3 | 4-18 | |
200 | 160 | 125 | 100 | 16 | 3 | 4-18 | |
220 | 180 | 145 | 120 | 18 | 3 | 4-18 | |
250 | 195 | 160 | 135 | 20 | 3 | 8-18 | |
280 | 215 | 180 | 155 | 20 | 3 | 8-18 | |
320 | 245 | 210 | 185 | 22 | 3 | 8-18 | |
360 | 285 | 240 | 210 | 24 | 3 | 8-23 | |
400 | 335 | 295 | 265 | 26 | 3 | 12-23 | |
450 | 405 | 355 | 320 | 30 | 3 | 12-23 |
