Çek Vana
This check valve adopts swing, lift and wafer structure, with a simple and compact design, mainly used to automatically prevent medium backflow in pipeline systems. Made of ductile iron, cast steel and stainless steel, it is suitable for conveying media such as water, oil, gas, sewage and mild corrosive fluids. It works automatically relying on medium pressure without external operation, effectively maintaining one-way flow and protecting pumps and other equipment. Applicable to medium and low-pressure working conditions in petroleum, chemical, water treatment, HVAC and urban water supply and drainage, it features stable opening and closing, good sealing performance, low flow resistance and easy installation. Strictly tested for pressure and sealing, it runs reliably with long service life, providing safe and effective anti-backflow protection for various industrial pipeline systems.
Rubber Flap Check Valve
The Rubber Flap Check Valve is a highly efficient, non-return valve designed for water, wastewater, and slurry applications. Featuring a flexible rubber flap, this valve ensures reliable sealing with minimal pressure drop, making it ideal for systems where low resistance and debris tolerance are critical. Constructed from durable materials such as EPDM or NBR rubber and cast iron or stainless steel, this valve is resistant to corrosion and abrasion, ensuring long-term performance in demanding environments. Its simple yet robust design allows for easy installation and maintenance, making it a cost-effective solution for municipal, industrial, and irrigation systems.
Forged steel swing check valve
The Forged Steel Swing Check Valve is a compact, high-performance solution designed for small pipeline backflow prevention (DN15-DN50). Featuring precision-forged construction and a lightweight swing disc, it ensures reliable one-way flow control in instrumentation, sampling, and utility systems. This valve operates automatically and is not suitable for flow regulation.
Stainless steel threaded check valve
Our stainless steel threaded check valve provides automatic backflow prevention in compact piping systems. Manufactured from AISI 304/316 stainless steel, it offers corrosion resistance and maintenance-free operation for liquid and gas applications.
Hydraulically Controlled Slow Closing Check Valve
The Hydraulically Controlled Slow Closing Check Valve is a high-performance, intelligent valve designed for large-scale water supply, power generation, and industrial systems. Developed by our company based on decades of experience and advanced technologies, this valve integrates mechanical, hydraulic, and electrical systems to provide precise flow control, water hammer prevention, and energy efficiency. Available in two control system types—Standard Hydraulic Accumulator and Locking Hydraulic Accumulator—this valve is widely used in water treatment plants, power stations, steel mills, and chemical plants. It combines the functions of a check valve and a gate valve, offering reliable sealing, low flow resistance, and intelligent...
Micro Resistance Slow Closing Check Valve
The Micro Resistance Slow Closing Check Valve is an energy‑saving check valve specifically designed for pump discharge applications, featuring a slow‑closing function. It combines the low flow resistance characteristics of a swing check valve with a hydraulic damping device. During forward flow, the disc opens to a large angle with minimal resistance; when the pump stops or backflow occurs, the disc first closes rapidly for most of its travel, then closes slowly for the remaining travel, thereby greatly reducing water hammer pressure peaks and protecting the pump and pipeline system.
Large diameter check valve
The Large Diameter Check Valve is a high-performance, butterfly-style non-return valve designed for large-scale piping systems requiring reliable flow control and water hammer prevention. Suitable for water supply, wastewater treatment, power generation, and industrial processes, this valve prevents reverse flow and protects pipelines and equipment from damage caused by backflow or pressure surges. Available in sizes ranging from DN300 to DN2600 (12" to 104"), this valve is constructed from durable materials such as ductile iron, carbon steel, or stainless steel, ensuring long-term performance in demanding environments. Its butterfly disc design minimizes pressure drop and provides efficient, low-maintenance operation.
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
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
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
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
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
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.
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