Overview ZL47F-16-type self-balancing valve, mainly by an automatic adjustment of the valve and manually adjust the valve components. Use medium pressure changes as the driving force of their own, automatically adjust the balance of the branch pipe flow, accurate and stable flow, but also has opening instructions, lock, turn off, and other functions. Applies to "heating, air conditioning and other non-corrosive media flow control. Before running a one-time adjustment, you can make the system a constant flow automatically set the required value. The main technical parameters Model Nominal pressure shell test using medium medium temperature ZL47F-16 1.6MPa 2.4MPa water, oil and non-corrosive liquids 0 ~ 100 ℃ Main Dimensions (flange dimensions according to GB4216) DN 15 20 25 32 40 50 65 80 100 125 150 200 250 300 350 L 110 110 115 160 200 215 230 275 290 315 350 430 520 635 670 H1 122 122 137 182 191 197 205 259 268 334 357 407 452 486 555 H2 70 70 74 91 147 147 154 181 211 227 260 303 367 430 495