SS304 SS316L Security Filter Pure Water Purification Water Treatment Filter Polished

Security Filter For Pure Water Treatment

Product Overview

The Security Filter for Pure Water Treatment serves as a crucial protection unit in pure water systems, designed to remove fine suspended particles, colloids, and residual impurities before water enters sensitive downstream components such as RO membranes or precision instruments. Its robust structure and hygienic materials ensure stable water quality and extended service life of subsequent equipment.

Working Principle

When raw water passes through the filter cartridges, contaminants are trapped on or within the filter media, allowing clean water to flow through the outlet. The cartridges are replaceable or backwashable, depending on operating conditions. By selecting appropriate filter accuracy, different purification stages can be effectively achieved.

Main Components

• Filter housing (304/316L stainless steel or PP plastic)

• Filter cartridges (melt-blown, string wound, or pleated)

• Quick-opening head and sealing assembly

• O-rings and compression plates

• Inlet/outlet flange connections

• Air release and drain valves

Features

• High filtration efficiency — removes particles down to 1 μm

• Hygienic materials — food-grade stainless steel or PP for pure water systems

• Easy maintenance — quick-opening design for rapid cartridge replacement

• Durable construction — pressure- and temperature-resistant

• Flexible configuration — single or multi-cartridge setups available

Applications

Ideal for RO pretreatment, ultrapure water systems, boiler feedwater, electronic component cleaning, pharmaceutical purification, and beverage processing.

Optional Configurations

• Cartridge lengths: 10", 20", 30", 40"

• End connection types: DOE / 222 / 226

• Optional air vent and pressure gauge ports

• Sanitary polished internal surface (Ra≤0.6 μm)

• Multi-cartridge or skid-mounted filtration modules

Jiangsu Sanhe Environmental Protection Group Co., Ltd., formerly Jiangsu Sanhe Environmental Protection Equipment Co., Ltd., is located on the scenic shores of Lake Taihu. It is a renowned manufacturer and developer of modern environmental protection and water treatment equipment in China. It comprises several subsidiaries, including Jiangsu Sanhe Environmental Engineering Co., Ltd. and Yixing Sanhe Environmental Protection Design Institute Co., Ltd. The parent company has a registered capital of 100.2 million yuan, a building area of ​​over 20,000 square meters, and a staff of 52 technicians. The company boasts not only strong environmental protection equipment production and R&D capabilities, but also a highly qualified team with over 30 years of experience in environmental protection equipment production and service, a passion for environmental protection, and a commitment to integrity.

After nearly 30 years of continuous effort, our innovative development of new products, technologies, materials, and processes, along with our expertise, has been widely adopted in the industry. We have developed advanced continuous-flow activated carbon filters and differential fully automatic backwash filters specifically for reclaimed water reuse and zero-discharge projects. We have also independently developed high-efficiency activated carbon suitable for flow-through activated carbon towers, resolving challenges in China due to poor adsorption performance, short service life, saturation, and high operating costs, hindering widespread adoption and ensuring long-term effective use of activated carbon.

​Since its establishment, Jiangsu Sanhe Environmental Protection Group Co., Ltd. has provided qualified products and services to nearly a thousand renowned domestic and international manufacturers, including municipal sewage treatment plants, the machinery and chemical industry, CNPC, Sinopec, Baosteel Group, Jiangxi Copper Group, Dongfeng Nissan, Dongfeng Motor Corporation, commercial passenger vehicle companies, Hangzhou Luxgen, Great Wall Motors, Dongfeng Peugeot Citroen Automobile, Dongfeng Yangzijiang Bus, CSR Corporation, and the Tarim Oilfield, earning a strong reputation. We are grateful to all our friends who have given us opportunities and helped us grow!

We firmly believe in down-to-earth and steady development; we advocate scientific innovation and unremitting pursuit; and we promote energy-saving, low-carbon, and green living. We provide our customers with ingenious products and services and strive to establish our company as a leading modern enterprise in China's environmental protection production, research, and development sectors.