防倒流装置

The Integrated Backflow Preventer is a reduced pressure zone (RPZ) backflow prevention device featuring a one‑piece cast body that integrates two independent check valves and an intermediate relief chamber. It is specifically designed to prevent toxic, hazardous, or highly contaminated media from flowing back into the upstream potable water supply.

The Low Resistance Backflow Preventer is a high-efficiency device designed to prevent reverse flow and protect water supply systems from contamination while minimizing pressure drop. Featuring an optimized flow path and advanced sealing technology, this backflow preventer ensures reliable operation and energy efficiency in potable water, fire protection, and industrial systems. Constructed from stainless steel, bronze, or ductile iron, this valve is durable and corrosion-resistant, suitable for applications requiring high flow rates and low maintenance. Its low resistance design reduces energy consumption, making it an ideal choice for systems where pressure loss is a critical concern.

The Copper Double Check Backflow Preventer is a high-performance, compact device designed to protect potable water systems from backflow contamination. Constructed from durable lead-free copper alloy, it is ideal for residential, commercial, and light industrial applications where water safety and reliability are paramount. This backflow preventer features a double check valve assembly that ensures fail-safe protection against reverse flow, even in low-hazard applications. Its corrosion-resistant copper construction makes it suitable for use with potable water, while its compact design allows for easy installation in tight spaces.

The Axial Flow Non-Slam Check Valve is designed to provide reliable backflow prevention in pipelines where high velocity or sudden flow reversal may occur. Unlike traditional swing check valves, the non-slam feature ensures that the valve’s disc does not "slam" or close abruptly, preventing water hammer and reducing mechanical wear. This valve is particularly suitable for high-velocity applications, making it ideal for industries such as water treatment, power generation, oil and gas, and chemical processing. It offers enhanced durability, reliability, and protection for downstream equipment, while ensuring smooth and controlled fluid flow in critical applications.

The Axial Nozzle Check Valve is designed to prevent backflow in high-pressure pipelines, ensuring that fluid or gas only flows in one direction. It is commonly used in industries such as oil and gas, power generation, petrochemical, and water treatment, where controlling fluid direction is crucial for system protection and efficiency. The valve features a streamlined design that minimizes flow resistance, reducing energy consumption and increasing operational efficiency.

The 2500LB High Pressure Axial Check Valve is specifically designed to withstand extreme pressures in high-demand applications. Rated for 2500 PSI (2500LB), this valve ensures reliable and secure one-way fluid flow with robust backflow prevention. Its axial flow design and hard sealing surfaces make it an ideal choice for high-pressure pipelines in industries such as oil & gas, power generation, and petrochemical processing. The valve is built to handle harsh operating conditions while ensuring optimal performance and durability.

The Tilted Disc Axial Flow Check Valve is engineered to allow fluid flow in one direction while preventing backflow. It uses a tilted disc that is aligned with the flow path, offering minimal resistance, lower pressure drop, and reduced operational noise. The valve is designed to reduce water hammer effects and ensure smooth flow, even under high-pressure conditions, making it ideal for critical industrial systems.

静音轴流式止回阀是一种专用阀门，旨在提供优越的流量控制，并最大限度地降低流体系统中的水锤、噪音和振动风险。与传统止回阀不同，静音轴流式止回阀采用流线型阀瓣设计和先进内部结构，确保运行平稳，同时显著减少水锤现象（这是许多工业管道系统中的常见问题）。该阀门特别适用于对降噪和系统浪涌保护至关重要的应用场景。.

This vertical forged steel check valve adopts an integral forged steel body and vertical structure, which automatically opens and closes by medium pressure to effectively prevent backflow. It is specially designed for small-bore high-temperature and high-pressure working conditions.