ZAZP series electric through single seat regulating valve is composed of a DKZ type series of straight travel electric actuator and through single seat valve is composed of two parts, with the single phase AC 220V power supply for power, accept 0~10mA or 4~20mA DC signal, automatic control valve opening, continuous regulation of pipeline fluid pressure, flow, level and other parameters. The product is sensitive, convenient use, energy and signal transmission characteristics of rapid. Widely used in electric power, metallurgy, chemical industry, textile and other industrial automatic control system.
Materials of main parts:
| The valve body material | Material grade | Nominal pressure(MPa) | Applicable temperature range(℃) | |
| At room temperature | Heat type | |||
| Cast iron | HT200 | 1.6 | -20~200 | - |
| Cast steel | ZG230~450 | 4.0,6.4 | -40~250 | -40~450 |
| Cast stainless steel | ZG1Cr18Ni9Ti ZG0Cr18Ni12Mo2Ti | 4.0,6.4 | -40~250 | -60~450 |
Main technical parameters
| Nominal diameter DN(mm) | G3/4″ | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | ||||||||||
| Seat diameter DN(mm) | 3 | 4 | 5 | 6 | 7 | 8 | 10 | 12 | 15 | 20 | 26 | 32 | 40 | 50 | 66 | 80 | 100 | 125 | 150 | 200 | ||
| The rated flow coefficient Kv | 0.08 | 0.12 | 0.2 | 0.32 | 0.5 | 0.8 | 1.2 | 2 | 3.2 | 5 | 8 | 12 | 20 | 32 | 50 | 80 | 120 | 200 | 280 | 450 | ||
| Flow characteristics | A straight line | Linear, equal percentage | ||||||||||||||||||||
| Nominal pressure PN(MPa) | 10 | 1.6,4.0,6.4 | ||||||||||||||||||||
| Connection type | Pipe thread connection G3/4 | Flange connection: PN1.6 according to the standard of JB79-59 PN4.0 according to JB79-59 standard; | ||||||||||||||||||||
| With the executive agency model | DKZ-310 | DKZ-310 | DKZ-310 | DKZ-410 | DKZ-410 | |||||||||||||||||
| A pumping thrust(N) | 4000 | 4000 | 4000 | 6400 | 6400 | |||||||||||||||||
| Trip L(mm) | 10 | 10 | 16 | 25 | 40 | 60 | ||||||||||||||||
| Total travel time (S) | 8 | 8 | 12.5 | 20 | 32 | 50 | ||||||||||||||||
Mode of action | Electric open (K) commonly used electric closed (B); | |||||||||||||||||||||
Input signal | 0~10mA 4~20mA DC | |||||||||||||||||||||
| Power supply | 220V;50~60Hz | |||||||||||||||||||||
| The inherent adjustable ratio R | 30:1 | |||||||||||||||||||||
The main technical performance indicators
| Project | Technical performance index |
| The basic error % | ≤±5 |
| The return difference % | ≤3 |
| The dead zone % | ≤5 |
| Leakage | 0.01%×Rated capacity |
| The rated flow coefficient error % | ≤ ± 10; when KV ≤ 6.3, ≤ ± 15 |
