High Quality Non Return Valve Supplier

What is a Non Return Valve?

A Non Return Valve is a type of rotary valve used to regulate flow through pipes. It consists of a circular disk (o “mariposa”) that pivots on its center axis to open or close the flow path inside the valve body.

Materials of Non Return Valve

• Cuerpo: Typically constructed from ductile iron, cast steel or aluminum to withstand pressurized systems and corrosion.
• Disk: Available in aluminum bronze, ductile or nodular irons as they are corrosion resistant and provide tight shut-off.
• Asiento: The sealing surface is made from resilient materials like EPDM, NBR or FFKM rubber optimized for temperature, chemical compatibility and long life.

Benefits of Non Return Valve

• Evitar el flujo de retorno – The primary benefit is avoiding contamination of fluid source from back-siphoning or backpressure flows that could introduce unwanted materials.
• Flow Security – Non-return functionality gives confidence in downstream pressures without risk of reverse surge loads damaging pipes, tanks or equipment.
• Self-Acting Operation – No external power is required as valves from High Quality Non Return Valve Supplier, automatically open and close based on differential pressures across the seat.
• Durabilidad – Engineered valve designs withstand millions of pressure cycles without compromising barrier performance over decades of use.

Utilizations of Non Return Valve

• Tratamiento de aguas: Widely employed for regulating flow in municipal, industrial, and coastal desalination plants.
• Generación de energía: Frequently utilized in the heating and cooling systems of power stations, refinerías, and manufacturing facilities.
• Aceite & Industria del gas: Commonly specified for pipelines in drilling rigs, refinerías, and LNG/LPG terminals due to their bi-directional capability.
• Mining Sector: Serve in handling mineral slurries, sludge streams, and chemical flows within gold, copper, and coal extraction processes.
• Chemical Applications: The availability of elastomer seat options and suitable body materials make Non Return Valve an excellent choice for the chemical, alimento, and plastics industries.
• Maritime Usage: Specially coated valves exhibit resilience to seawater intake and are ideal for ballast and bilge applications on ships, offshore rigs, and remote platforms.

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Por qué elegirnos

Fundado en 1956 y situado en Tianjin Binhai Nueva área, el centro de la producción de válvulas de China, FLUID TECH GROUP stands out with its modern design standards, equipo de fabricación inteligente de vanguardia, y un centro de prueba sofisticado. Somos un líder de la industria centrándonos en el desarrollo y la fabricación de válvulas.. Nuestra extensa alineación de productos incluye válvulas de mariposa, válvulas de semi-bola excéntricas, válvulas reguladoras, válvulas de regulación de diamante, válvulas de escape, válvulas de control hidráulico, y más 1000 Otros tipos de válvulas.