4″ NRV VALVE (Non Return Valve)

• Material options: Stainless steel, cast iron, brass, or bronze for corrosion resistance and longevity.
• Size: 4″ suitable for industrial applications and system integration.
• Connection options: Threaded, flanged, or socket weld for versatile installation.
• Sourcing: Local, Chinese, or top international brands available.
• Types: Swing check or lift check to meet operational needs.
• Standards: ANSI, API, UL, LPCB, ISO compliant for safety.
• Flow control: Efficient backflow prevention, reducing water hammer.
• System integrity: Precision design ensures effective fluid control.

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Non-Return Valve (NRV) 4″

Overview

The 4″ Non-Return Valve (NRV) is engineered for reliable backflow prevention and fluid control, suitable for a range of industrial applications.

Specifications

• Material Options:
  • Stainless Steel: Excellent corrosion resistance, ideal for harsh environments.
  • Cast Iron: Durable and cost-effective for general use.
  • Brass: Offers good resistance to corrosion and is commonly used in various systems.
  • Bronze: Provides high durability and resistance to corrosion, especially in seawater applications.
• Size:
  • 4 inches: Designed for industrial applications requiring significant flow capacity.
• Connection Options:
  • Threaded: For simple installation with screw connections.
  • Flanged: For robust, secure connections to other piping systems.
  • Socket Weld: For permanent and leak-proof connections, often used in high-pressure applications.
• Types:
  • Swing Check: Features a hinged disc that swings open to allow flow and closes to prevent backflow.
  • Lift Check: Uses a disc or ball that lifts off the seat to allow flow and drops back to prevent backflow.
• Standards Compliance:
  • ANSI: Adheres to American National Standards Institute specifications for quality and performance.
  • API: Complies with American Petroleum Institute standards for valve reliability and safety.
  • UL: Meets Underwriters Laboratories safety and performance standards.
  • LPCB: Conforms to Loss Prevention Certification Board standards for fire and safety.
  • ISO: Follows International Organization for Standardization guidelines for international quality.
• Flow Control:
  • Efficient Backflow Prevention: Minimizes the risk of water hammer and protects the system from reverse flow.
  • Precision Design: Ensures effective and reliable fluid control, maintaining system integrity.

Features

• Corrosion Resistance: Available in various materials to resist corrosion and extend valve life.
• Versatile Connections: Multiple connection options for ease of installation and adaptability to different systems.
• Operational Types: Choice between swing check and lift check to meet specific application requirements.
• Standards Compliance: Meets a range of international and industry standards for safety and performance.
• Backflow Prevention: Reduces the risk of water hammer and maintains fluid integrity.
• Durability: Designed to provide reliable performance in industrial environments.

This 4″ NRV valve is designed to ensure efficient backflow prevention and system integrity, making it a crucial component in various industrial and infrastructure applications.