FLE-ZZYP self-operated pressure control valve
FLE-ZZYP self-operated pressure control valve
The Self-Operated Pressure Control Valve uses a self-driven diaphragm to control pressure without external power, ensuring stable flow and efficiency for steam, gas, and liquid systems, reducing maintenance costs, and offering reliability under 6.4 MPa and 350 °C with API 598 and ISO 9001 certification.
| Größenauswahl | DN15–DN300 (½”–12″) |
| Betriebsdruckbereich: | 0.1–6.4 MPa |
| Betriebstemperaturbereich: | -20°C to +350°C |
| Material des Gehäuses: | Cast Steel / Stainless Steel (CF8, CF8M, WCB) |
| Verbindungstyp: | Flanged |
| Geeignetes Medium: | Steam, Air, Water, Gas, Oil |
| Antriebstyp: | Self-operated diaphragm actuator |
| Spannungsoptionen | Not applicable |
| Designstandard | GB/T 12246, ANSI/API 520, DIN EN 334 |
| Prüfnorm | GB/T 13927, API 598, EN 12266-1 |
| Brandschutzkonzeption | Optional per API 607 |
| Zertifizierung | CE / RoHS / ISO 9001 / IP65 (Antrieb) |
| Anpassung | Oben finden Sie Beispiele für Standardparameter. Wenn Sie bestimmte Parameter und Materialien haben, können wir diese individuell anpassen. |
Zertifizierte Qualität für industrielle Ventilanwendungen
Ventile und elektrische Stellantriebe von Fleyenda sind auf stabile Leistung, zuverlässigen Betrieb und den langfristigen industriellen Einsatz ausgelegt. Dank zertifizierter Qualitätssicherung eignen sie sich für die Wasseraufbereitung, die chemische Verarbeitung, die Automatisierung sowie industrielle Prozessleitsysteme.
Häufig gestellte Fragen, die für Nutzer des 80% von Interesse sind
1. How does a Self-Operated Pressure Control Valve maintain stable performance without power or air supply?
• The Self-Operated Pressure Control Valve uses medium energy to regulate outlet pressure automatically.
• Its automatic pressure regulating system balances downstream pressure through a diaphragm mechanism.
• Suitable for remote sites and energy-saving plants, it maintains accuracy under fluctuating inlet conditions.
• This self-acting pressure regulator ensures reliable control for steam, gas, and water systems.
2. How do I select the right model and capacity for a Self-Acting Pressure Regulator?
• Analyze inlet pressure, outlet pressure, and flow to size the automatic pressure control valve correctly.
• Choose corrosion-resistant materials like stainless steel self-operated valves for steam or gas.
• Ensure the pressure reducing valve supports a proper turndown ratio to avoid instability.
• Match flange standards such as ANSI, DIN, or JIS to existing pipelines.
3. Can a Self-Operated Pressure Regulator handle high-temperature or corrosive media?
• High-grade self-operating control valves withstand up to 350 °C and 6.4 MPa.
• A stainless steel pressure control valve resists corrosion in chemical or steam systems.
• Reinforced diaphragms maintain sealing accuracy under temperature changes.
• Suitable for boilers, chemical plants, and industrial steam lines requiring stable pressure.
4. What are common maintenance issues with Automatic Pressure Regulating Valves and how to prevent them?
• Common issues include diaphragm wear, spring fatigue, and pilot blockage.
• Use filters to protect the self-acting valve body from debris.
• Inspect sealing parts regularly to prevent leakage and maintain response accuracy.
• Perform periodic calibration to ensure consistent regulation.