4040 RO SS Membrane Housing SUS304/SUS316L 10psi Pol/Brushed

A stainless-steel 4040 RO membrane housing for standard 4"×40" reverse-osmosis elements, offered in cost-effective SUS304 or high-grade, corrosion-resistant SUS316L with polished or brushed finishes. Selling points: premium stainless construction for long life and chemical resistance (SUS316L option), hygienic smooth finishes that are easy to clean and look professional, and universal compatibility with 4040 RO membranes. Rated to 10 psi and built for durable, low‑maintenance use in residential or light-industrial RO systems.

shipping:

Ocean freight

brand name:

QILEE

Payments:

L/C,D/A,D/P,T/T,Western Union,MoneyGram,OA

Lead Time:

1-1(pieces):30(days),>1(pieces):To be negotiated(days)

Place of Origin:

China

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Maximum working pressure

1000Psi

Material

SUS304,SUS316L, SUS304,SUS316L

Product name

Ss Membrane Housing

Warranty of core components

1 Year

Marketing Type

New Product 2022

Showroom Location

Malaysia

Applicable Industries

Construction works

Condition

New

weight (kg)

1 kg

productivity

500L/Hour

warranty

1 Year

place of origin

China

core components

Motor

machinery test report

Provided

video outgoing-inspection

Provided

Durable Polished Stainless Housing

Built from SUS304 or premium SUS316L stainless steel with a polished or brushed exterior and a 10 psi max working pressure, the 4040 RO SS membrane housing protects your Reverse osmosis membrane with durable, corrosion-resistant performance for consistent filtration. Its standardized 4040 shape and sanitary finish simplify installation and maintenance while preserving membrane lifespan and water quality. Packed in standard export cartons and delivered within 3–20 days depending on order size and season, it ensures safe transit and reliable, on-time supply for uninterrupted system operation.

4040 Stainless RO Housing

The 4040 RO SS membrane housing is built from SUS304 or higher-grade SUS316L stainless steel and is designed to securely hold a 4040 Reverse osmosis membrane while operating reliably at up to 10 psi, offering excellent chemical and corrosion resistance. Polished or brushed external finishes provide hygienic, easy-to-clean surfaces and a professional appearance, delivering long service life, low maintenance and stable performance across applications. Precision-welded cylindrical construction with standardized end connections ensures leak-tight sealing, quick installation and compatibility with common RO systems, and the product is supplied in standard export cartons with typical delivery in 3–20 days.

Stainless 4040 RO Housing

The 4040 RO stainless steel membrane housing is engineered to accommodate a reverse osmosis membrane and is constructed from durable SUS304 or SUS316L. It is rated for a maximum working pressure of 10 psi and is offered with either a polished or brushed external surface. Units are packed in standard export cartons and delivery is typically 3–20 days after order confirmation, with exact timing dependent on production season and order quantity.

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Durable Corrosion-Resistant Sanitary Reliable

The 4040 RO SS Membrane Housing, crafted from high-grade SUS304 or SUS316L stainless steel and available in polished or brushed finishes, embodies the brand’s commitment to precision engineering and sanitary water-treatment design. Engineered to accommodate a 4040 Reverse osmosis membrane at operating pressures up to 10 psi, the housing delivers reliable flow control, leak-resistant seals, and straightforward access for routine servicing. Key features and advantages include excellent corrosion resistance, hygienic surface finishes, robust construction for long service life, compatibility with standard membrane cartridges, and simplified installation and inspection to reduce downtime and operating costs.

Material introduction

The 4040 RO SS Membrane Housing is fabricated from high-grade SUS304 or SUS316L stainless steel to deliver excellent corrosion resistance and long service life for water treatment systems. Its polished or brushed external finish provides hygienic, easy-to-clean surfaces while maintaining structural integrity at a maximum working pressure of 10 psi. Designed to hold a Reverse osmosis membrane securely, this housing supports reliable operation and straightforward maintenance in commercial and industrial filtration applications.

◎ 4040 RO SS Membrane Housing — SUS316L Polished

◎ 4040 RO SS Membrane Housing — SUS316L Brushed

◎ 4040 RO SS Membrane Housing — SUS304 Polished/Brushed

FAQ

What kind of RO membrane fits a 4040 RO SS membrane housing (SUS304/SUS316L)?

The 4040 designation denotes a 4" diameter by 40" length spiral-wound RO element. Standard 4040 spiral-wound RO membranes that use the common 4" end-cap geometry will fit, but you should confirm the element end-cap style and O‑ring location with the manufacturer. This housing is not intended for hollow-fiber modules or unusually shaped cartridges.

When should I choose SUS304 versus SUS316L material for the housing?

SUS304 is suitable for general potable water and many industrial waters where corrosion risk is moderate. SUS316L offers superior resistance to pitting and crevice corrosion from chlorides and aggressive chemistries, so choose 316L for seawater, coastal installations, chloride-rich process streams, or stricter sanitary/ pharmaceutical requirements.

The product name lists "10psi" — what does that mean for operation?

The "10psi" in the name likely refers to a specified working/test pressure or a low-pressure variant; do not assume it is a universal maximum. Always check the manufacturer’s data sheet for the allowable operating pressure and safety factors, and never exceed the rated pressure. If your RO system operates at much higher pressures (typical commercial RO often operates well above 10 psi), select a housing rated for those pressures.

What are the basic installation and routine maintenance steps for this housing?

Install the housing on a secure mounting bracket, insert the 4040 membrane with correct orientation, seat and lubricate O‑rings with a compatible lubricant, tighten end caps per torque guidance, and pressure-test for leaks before service. For maintenance, follow a regular inspection schedule: check seals, flush and sanitize per membrane manufacturer recommendations, perform chemical cleaning (CIP) with compatible chemicals, and replace O‑rings or gaskets when worn. Polished finishes are easier to clean; brushed finishes hide minor scratches.

What common application scenarios are suitable for this stainless steel 4040 housing?

Typical uses include commercial and light-industrial reverse osmosis systems, food & beverage process water, pharmaceutical and laboratory water systems (especially with 316L), municipal and point-of-entry treatment, pilot desalination or pretreatment skid installations, and any application needing the mechanical robustness and sanitary benefits of stainless housings.

Are there any cautions or compatibility issues I should be aware of?

Yes — confirm chemical compatibility of cleaning agents with both the stainless grade (304 vs 316L) and the O‑ring material (EPDM, Viton, etc.). Avoid exposure to freezing conditions without draining, install pressure-relief and shutoff protections, and ensure proper grounding if required. For aggressive chemistries, high-chloride services, or elevated temperatures, consult the manufacturer and choose 316L and appropriate seals to prevent corrosion and premature failure.

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