역류 방지기

This backflow preventer is specially designed to effectively stop reverse flow and cross-contamination of fluid in pipelines, ensuring safe one-way flow of water and other media. Constructed with ductile iron and stainless steel, it adopts a multi-chamber check structure with reliable sealing, suitable for clean water, domestic water supply, municipal water supply and industrial water pipeline systems. It can effectively avoid backflow pollution, protect water quality safety, and adapt to medium and low-pressure working conditions. With stable performance, easy installation and maintenance, it is widely used in buildings, water treatment plants, municipal engineering and industrial water systems to provide safe and reliable anti-backflow protection for pipeline networks.

Double check valve backflow prevention
Double check valve backflow prevention
The Double Check Valve Backflow Preventer (DCVBP) is a critical safety device designed to protect potable water systems from contamination caused by reverse flow. Featuring two independent check valves and an optional intermediate pressure relief chamber, this valve ensures fail-safe operation in water supply, fire protection, and industrial applications. Constructed from bronze, stainless steel (304/316L), or ductile iron, the DCVBP complies with international standards (ASSE 1015, EN 1717) and is ideal for preventing backflow in systems where cross-connection risks exist.
Copper Threaded Backflow Preventer
Copper Threaded Backflow Preventer
The Copper Thread Check Valve is a reliable and hygienic solution for preventing reverse flow in potable water and HVAC systems. Its lead-free copper construction, threaded design, and compliance with international standards make it ideal for residential, commercial, and medical applications. By combining durability with low resistance flow, this valve ensures system efficiency and long-term safety.
Stainless steel backflow preventer
Stainless steel backflow preventer
The Stainless Steel Backflow Preventer is a high-performance valve designed to protect your water supply system from contamination caused by the reverse flow of water. With its corrosion-resistant stainless steel construction, this backflow preventer is perfect for use in both residential and industrial environments where water purity is critical. It offers superior reliability, ease of maintenance, and long-term durability, ensuring a safe and efficient water distribution system.
Threaded low resistance backflow preventer
Threaded low resistance backflow preventer
The Threaded Low Resistance Backflow Preventer is a high-efficiency device designed to protect potable water systems from backflow contamination while minimizing pressure loss. Featuring threaded connections (NPT) and a low-resistance design, this preventer is ideal for residential, commercial, and light industrial applications where maintaining water pressure and flow efficiency is critical. Constructed from lead-free materials and compliant with NSF/ANSI 372 and ASSE 1015 standards, this backflow preventer ensures safe and reliable operation in potable water systems. Its compact design and threaded connections make it easy to install in tight spaces, while its optimized internal geometry reduces energy consumption by minimizing...
Stainless steel low-resistance backflow preventer
Stainless steel low-resistance backflow preventer
The Stainless Steel Low Pressure Check Valve is designed to prevent backflow and ensure one-way flow in low-pressure systems. Made from high-quality stainless steel, it is ideal for a wide range of applications, including water treatment, HVAC, chemical processing, and industrial fluid systems. With its low-resistance design, this check valve minimizes pressure loss, optimizing flow efficiency and reducing energy consumption.
Stainless steel threaded low resistance backflow preventer
Stainless steel threaded low resistance backflow preventer
The Stainless Steel Threaded Low Resistance Backflow Preventer is a compact, high-efficiency device designed to prevent reverse flow and protect water systems from contamination while minimizing pressure drop. Constructed from 304 or 316L stainless steel, this valve features threaded connections (NPT or BSP) for easy installation in tight spaces, making it ideal for potable water, HVAC, and industrial applications.
Integrated backflow preventer
Integrated backflow preventer
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.
Low resistance backflow preventer
Low resistance backflow preventer
저저항 역류방지기는 역류를 방지하고 급수 시스템을 오염으로부터 보호하면서 압력 손실을 최소화하도록 설계된 고효율 장치입니다. 최적화된 유로와 첨단 밀봉 기술을 갖춘 이 역류방지기는 음용수, 소방 및 산업 시스템에서 안정적인 작동과 에너지 효율성을 보장합니다. 스테인리스강, 청동 또는 연성철로 제작된 이 밸브는 내구성과 내식성이 뛰어나며, 높은 유량과 낮은 유지보수가 요구되는 용도에 적합합니다. 저저항 설계는 에너지 소비를 줄여 압력 손실이 중요한 문제인 시스템에 이상적인 선택입니다.
구리 이중 체크 역류방지기
구리 이중 체크 역류방지기
구리 이중 체크 역류방지기는 음용수 시스템을 역류 오염으로부터 보호하도록 설계된 고성능의 소형 장치입니다. 내구성이 뛰어난 무연 구리 합금으로 제작되어 수질 안전과 신뢰성이 중요한 주거용, 상업용 및 경공업 용도에 적합합니다. 이 역류방지기는 저위험 용도에서도 역류에 대한 안전 장치 역할을 보장하는 이중 체크 밸브 어셈블리를 갖추고 있습니다. 내식성 구리 구조로 음용수 사용에 적합하며, 소형 설계로 좁은 공간에서도 쉽게 설치할 수 있습니다.