Within a water‑treatment reverse‑osmosis system, the membrane housing is not merely an outer shell that protects membrane elements, but also a safety guard ensuring the long‑term stable operation of the whole system.
Selecting a pressure‑resistant, durable and easy‑to‑maintain membrane housing is a core demand of every contractor and project owner.
Today, we would like to highly recommend the 4‑inch quick‑disconnect FRP membrane housing from the CENHON® brand.
With outstanding pressure‑bearing capacity and the quick‑release structure, it sets a new benchmark for efficient operation and maintenance.

???? Authoritative Certifications, Solid Quality Support
CENHON always adheres to international high‑standard production requirements.
International Approval: Our products have obtained EU CE certification and meet strict safety requirements.
System‑level Assurance: Dual certifications of ISO9001 Quality Management System and ISO14001 Environmental Management System. The whole process is controllable, from production source to end‑user environmental compliance.
Sanitation Approval: Certified with domestic sanitary approval documents to guarantee safe product water, suitable for drinking‑water and food‑grade water‑treatment applications.
???? Outstanding Pressure Resistance, Built to Withstand Harsh Conditions
High Working Pressure: Rated for 300 PSI (1‑2 elements), compatible with various medium‑high‑pressure RO systems.
Extreme Safety Tests: Passed more than 120,000 fatigue tests and 4‑times burst pressure tests. It remains stable and reliable under long‑term heavy‑load operation.
Wide Compatibility: High‑grade anti‑corrosion material easily adapts to various complex media environments.
⚡ Quick‑Disconnect Design, Time‑Saving & Labor‑Saving

Minimal‑Maintenance Design: Say goodbye to complicated traditional disassembly & assembly. The 4‑inch quick‑release structure greatly simplifies cartridge replacement and cleaning.
Reduced Downtime Costs: It significantly cuts system downtime, helping you save labor costs for operation & maintenance and improve overall economic benefits.
Complete Accessories: Supplied with a full set of dedicated parts (clamps, O‑rings, positioning brackets, etc.). Ready‑to‑install upon arrival, no extra purchases required.
???? Multiple Colors Available, Flexible Customization

Standard colors include white, blue and green. Additional colors are available upon customized project requirements to meet aesthetic and identification needs of different application scenarios.
???? Wide Range of Applications
Suitable for water‑treatment systems in municipal tap‑water, industrial pure‑water production, wastewater reuse, seawater desalination, pharmaceutical, electronics and other industries.
???? Conclusion
Backed by authoritative certifications, excellent pressure resistance and hassle‑free quick‑disconnect maintenance.
Choosing CENHON 4‑inch quick‑disconnect FRP membrane housing means choosing reliability and high efficiency for your system.