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.
| Faixa de tamanhos | DN15–DN300 (½”–12″) |
| Faixa de pressão de trabalho: | 0.1–6.4 MPa |
| Faixa de temperatura de operação: | -20°C to +350°C |
| Material do corpo: | Cast Steel / Stainless Steel (CF8, CF8M, WCB) |
| Tipo de conexão: | Com flange |
| Meio aplicável: | Steam, Air, Water, Gas, Oil |
| Tipo de atuador: | Self-operated diaphragm actuator |
| Opções de tensão | Não se aplica |
| Padrão de projeto | GB/T 12246, ANSI/API 520, DIN EN 334 |
| Norma de ensaio | GB/T 13927, API 598, EN 12266-1 |
| Projeto à prova de fogo | Opcional, conforme a norma API 607 |
| Certificação | CE / RoHS / ISO 9001 / IP65 (atuador) |
| Personalização | Acima estão exemplos de parâmetros padrão. Se você tiver parâmetros e materiais específicos, podemos personalizar todos eles. |
Qualidade certificada para aplicações em válvulas industriais
As válvulas e os atuadores elétricos da Fleyenda são projetados para oferecer desempenho estável, operação confiável e uso industrial de longo prazo. Com suporte de qualidade certificada, são adequados para tratamento de água, processamento químico, automação e sistemas de controle de processos industriais.
Perguntas frequentes que interessam aos usuários do 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.