The ZPL610F (ZZYP) self-operated pressure regulator requires no external energy supply. It utilizes the energy of the controlled medium itself as the power source, introducing it into the actuator to control the position of the valve plug, thereby changing the flow area, adjusting the pressure difference and flow rate at both ends, and ultimately stabilizing the upstream or downstream pressure at the set value.
Featuring advantages such as sensitive action, excellent sealing performance, and minimal pressure fluctuation, it's widely applied in automatic control systems for pressure reduction/stabilization or pressure relief/stabilization of gas, liquid, and steam media in various industrial equipment.
| Body Type | Straight-Through Type | |
| Size | DN20~DN300 | |
| D & M Std. | GB/T4213 | |
| F2F Std. | GB/T17213.3 | |
| PT & I Std. | GB/T4213, API598 | |
| Conn. Std. | Flange Sealing Face | RF, FM/M, T/G, FF |
| HG/T20592-2009 | PN10, PN16, PN25 | |
| ASME B16.5 | 150LB | |
| Sealing Type | Seat Type | Soft Seat |
| Stem Sealing Type | Packing Sealing | |
| Materials | Body/Bonnet Material | WCB, LCB, SS304, SS316L |
| Plug Material | WCB, F304, F316L | |
| Stem Material | 17-4PH | |
| Lining Material | FEP(F46), PTFE(F4), PFA | |
| Packing Material | PTFE | |
| Technical Parameters | Temperature Range | -30℃~160℃ |
| Flow Characteristic | Equal percentage(EQ%)/ Linear(LIN)/ Quick opening(QO) | |
| Leakage Level | IEC 60534-4, ANSI FCI 70-2, ASME B16.104 | |
| Regulation Accuracy | ±5% | |
| Accessories | Actuator | Pneumatic Actuator ZP6100 Series |
| Others | Flange, Gasket, Bolt | |
Note:
① Please specify in advance when the seat leakage rate must meet Class V.
② For potential flashing media, select cavity-reduced trim with Stellite™ hardfaced(ST) disc and seat surfaces RTFE: Reinforced PTFE;
ST: Stellite™ hardfacing; HT: Heat treatment; SS: Full Stellite™ overlay.
| Features | Description |
| Auto-Regulation | This regulator integrates measurement, actuation, and control functions, capable of stable operation in pneumatic-free and electricity-free environments. |
| Diverse Trim Configurations | Multiple structural types are available: Single-seat pressure-close type (ZPL611-16B), Double-seat pressure-close type (ZPL612-16B), and Sleeve pressure-close type (ZPL613-16B), suitable for different pressure regulation requirements. The pressure-close type (B) is used for downstream pressure regulation, while the pressure-open type (K) is applied for upstream pressure regulation. |
| High-Precision Control | The valve delivers high control accuracy, with the following specifications. Metal-seated single-seat (Class IV): Control precision ≤10-4 × rated valve capacity. Double-seat & sleeve (Class I): Control precision ≤5x10-3 × rated capacity. Soft-seated versions: Flow rates of 0.15, 0.45, and 6.75 ml/min, respectively. |
| Actuator Options | The valve is available with diaphragm-type or piston-type actuators. The actuation modes include: Upstream pressure control (pressure relief/retention type), Downstream pressure control (pressure reducing/stabilizing type). This versatility ensures adaptability to diverse operating conditions. |
| Multi-Application | This regulator, equipped with an insulated condensate pot, maintains stable operation at temperatures of 300℃, making it ideal for high-temperature media regulation. |
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