Product features
Zjhp fine and small pneumatic single seat control valve is composed of pneumatic multi spring diaphragm actuator and low flow resistance single seat valve. The new actuator is low in height, light in weight, easy to install, compact in structure, unobstructed in flow passage, large in flow coefficient, reliable in action, small in seat leakage, accurate in flow characteristic and wide in adjustable range.
Main performance specifications
Main technical parameters of regulating mechanism
| Nominal diameterèmmé | 20 | 25 | 40 | 50 | 65 | 80 | 100 | 150 | 200 | |||||||
| Seat diameterèmmé | 10 | 12 | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | ||
| Rated flow coefficient Kv | straight line | 1.8 | 2.8 | 4.4 | 6.9 | 11 | 17.6 | 27.5 | 44 | 69 | 110 | 176 | 275 | 440 | 690 | |
| Equal percentage | 1.6 | 2.5 | 4 | 6.3 | 10 | 16 | 25 | 40 | 63 | 100 | 160 | 250 | 400 | 630 | ||
| Nominal pressureèMPaé | 0.6 | |||||||||||||||