Powered by Made-in-China.com
4 Inch Industrial RO Membrane for Ulp21/31-4040 Systems
US$78.00-88.00
1 Piece
Product specifications
model
Sample price:US$88.00/piece.Request sample
Product profile
Customization
AvailableMembrane Type
WrapType
ROModel NO.
BH-RO-4040Model No.
Ulp21-4040 Ulp31-4040Testing Pressure
150psiDesalination Rate
99.5Gallons Per Day
2400Inlet Water Temperature
45 Degree CentigradepH Value of Testing Solution
7.5Max Feed Water Flow
16gpmSize
4''Weight (Kg)
5kg4040 Industrial Water Filter RO Membrane
Industrial Water Treatment Low Pressure RO MembranMembrane Material
PolyamideCertification
CE ISO9001MOQ
1PCSBrand
VontronFilter Bag Environment
Water TreatmentTransport Package
Carton BoxSpecification
150.00cm * 80.00cm * 160.00cmTrademark
BAIHANOrigin
Shandong, ChinaHS Code
8421219990Key features
High Desalination Rate: Achieves up to 99.5% salt rejection for pure water output.
Low Pressure Operation: ULP series operates at 6-8 bar, suitable for low-pressure systems.
Polyamide Material: Constructed with durable polyamide membrane material for efficiency.
CE and ISO9001 Certified: Meets international safety and quality standards with CE and ISO9001.
Flexible MOQ: Minimum order quantity is just 1 piece for small-scale needs.
Fast Off-Season Delivery: Lead time within 15 workdays during off-peak seasons.
Wide Payment Options: Supports LC, T/T, PayPal, Western Union, and other payment methods.
Global Shipping: Exports to North America, Europe, Asia, and other global markets.
Company profile
Business Type: Manufacturer/FactoryExport Year: 2024-10-01Nearest Port: qingdaoAverage Response Time: ≤1.70hTerms of Payment: LC, T/T, Small-amount payment, etc.International Commercial Terms(Incoterms): FOB, EXW
AI-Powered supplier vetting
SummaryLinyi Baihan Environmental Protection Equipment Co., Ltd. is a trading company based in Shandong, China, established in 2025. It specializes in the trade and sales of water treatment systems and related equipment. The company does not provide R&D services, 3D software design, or ODM/OEM services. It has a small workforce and no overseas operations. Financial data indicates no revenue or profit over the last few years. The company lacks a strong innovation capability and extensive customer cases.
Supplier typeThe supplier is a trading company based in China, specifically focused on environmental protection equipment.
Financial creditThe supplier shows no operating revenue, gross profit, or financial activity over the last few years, indicating a lack of financial credibility.
R&D capabilityThe supplier lacks R&D capabilities, ODM services, and has not introduced any new products recently.
Production capacityWith only 5 employees and a small facility, the production capability is limited.
Customization capabilityThe supplier offers customization from samples but does not provide advanced design or R&D services.
Product Q&A
Q:Can I replace a 4040 membrane from another brand with yours?
A:
Yes, as long as the model number is the same, it is compatible.
Q:What's the difference between the 4021, 4040 and 8040 models?
A:
The three models have different sizes. You can find the size diagram on the product details page.
Q:How long is the service life of the membrane?
A:
There is no fixed service life for the membrane. Generally, it lasts 1-2 years. The actual service life depends on factors like raw water quality, water consumption, the ratio of pure water to wastewater of the equipment, pre-filter media, and the operating pressure of the equipment all of which affect the lifespan of the RO membrane.
Q:What's the difference between models 21 and 31?
A:
Model 21 has a slightly higher water production rate than Model 31. Model 31 has a slightly better salt rejection rate than Model 21.
Q:What's the difference between ULP and LP?
A:
ULP is Vontron's low-pressure reverse osmosis membrane, with an operating pressure of 6-8 bar. LP is Huitong's high-pressure reverse osmosis membrane, with an operating pressure of 15 bar. Please check the required product model carefully before purchasing.
Send Inquiry
*To:
Linyi Baihan Environmental Protection Equipment Co., Ltd.
Linyi Baihan Environmental Protection Equipment Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
Premium 4 Inch 4040 Reverse Osmosis Membrane for Clean Water
US$70.00
1 Pieces(MOQ)
High Quality 4"Inch Extremely Low Pressure Reverse Osmosis Membranes Industrial RO Membrane 4014 4040
US$30.00-35.00
1 piece(MOQ)
Vontron Ulp21/31 RO Membrane for Efficient Water Purification
US$38.00-88.00
1 Piece(MOQ)
Hot Sale RO Membrane 4040 8040 Reverse Osmosis 4 8 Inch Water Filter Plant Purifier
US$201.00-215.00
1 Piece(MOQ)
Factory Price Industrial Water Treatment Purifier System Membrane Filter 8 Inch 8040 RO Reverse Osmosis Membrane
US$56.68-258.86
10 Pieces(MOQ)
Factory Price Industrial 4040 8040 8 Inch Water Filter Replacing RO Membrane
US$223.00-253.00
1 Piece(MOQ)
Alternative to Toray RO Membrane Bw-4040 for Industrial Pure Water Systems
US$180.00-220.00
30 Pieces(MOQ)
Low Pressure High Flow High Rejection Industrial 4 Inch 8 Inch RO Membrane
US$51.00
1 Piece(MOQ)
4040 Water Treatment Filter Replacement Low Pressure RO Membrane Element for Water Treatment Plant Machine Equipment
US$255.00-275.00
10 Pieces(MOQ)
Vontron Ulp21- 4040 RO Membrane for Industrial Water Treatment
US$69.00-78.00
1 Piece(MOQ)
Advanced 8040 RO Membrane for Reliable Industrial Water Treatment
US$255.00-275.00
10 Pieces(MOQ)
150psi Lp 4021 RO Membrane 4 Inch for Water Treatment System
US$28.00-40.00
1 piece(MOQ)



















