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.
| Gamme de tailles | DN15–DN300 (½”–12″) |
| Plage de pression de service : | 0.1–6.4 MPa |
| Plage de températures de fonctionnement : | -20°C to +350°C |
| Matériau du corps : | Cast Steel / Stainless Steel (CF8, CF8M, WCB) |
| Type de connexion : | À bride |
| Support compatible : | Steam, Air, Water, Gas, Oil |
| Type d'actionneur : | Self-operated diaphragm actuator |
| Options de tension | Not applicable |
| Norme de conception | GB/T 12246, ANSI/API 520, DIN EN 334 |
| Norme d'essai | GB/T 13927, API 598, EN 12266-1 |
| Conception résistante au feu | Optional per API 607 |
| Certification | CE / RoHS / ISO 9001 / IP65 (actionneur) |
| Personnalisation | Vous trouverez ci-dessus des exemples de paramètres standard. Si vous avez des paramètres et des matériaux spécifiques, nous pouvons les adapter à vos besoins. |
Une qualité certifiée pour les applications de vannes industrielles
Les vannes et actionneurs électriques Fleyenda sont conçus pour offrir des performances stables, un fonctionnement fiable et une utilisation industrielle à long terme. Bénéficiant d’un soutien qualité certifié, ils conviennent aux applications de traitement de l’eau, de traitement chimique, d’automatisation et aux systèmes de contrôle des processus industriels.
Questions fréquentes susceptibles d'intéresser les utilisateurs du modèle 80%
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.