Vontron ULP21-4021 Commercial 21" Inch Reverse Osmosis RO Membrane Low Pressure
You are purchasing a Vontron ULP21-4021 21inch
Commercial Reverse Osmosis RO Membrane.
This membrane is capable of producing 950 gallons
of product water per day, and is ideal for Window Cleaning applications, along
with Aquatics.
Working under the conditions of ultra low operating
pressure, this membrane runs under approximately two thirds pressure of that
regular low pressure compound membranes, and can achieve a rejection rate of as
high as 99%.
Please see detailed manufacturers specification
below:
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Technical
parameter for Vontron ULP21-4021 RO membrane: |
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Performance |
Stable property
desalinization rate % |
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99 |
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Lowest
desalinization rate % |
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98.5 |
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Volume GPD
(m--3/d) |
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950(3.6) |
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Effective
membrane area ft2(m2) |
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36(3.3) |
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Test condition |
Test
pressure |
150pai(1.03Mpa) |
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Test fluid
temperature |
25°C |
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Test fluid
density (NaCl) |
1500ppm |
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Test fluid pH |
7.5 |
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Single RO
membrane element recovery rate |
15% |
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Extreme operating conditions |
The maximum
operating pressure |
600psi(2.07Mpa) |
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The maximum water
supply temperature |
45°C |
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The maximum water
supply SDI |
5 |
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free chlorine
concentration in water supply |
0.1ppm |
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Water supply pH
scope when continuous running |
3~10 |
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Water supply pH
scope when chemical cleaning |
2~12 |
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The maximum
pressure drop of single RO membrane element |
15psi(0.1Mpa) |
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About Us
Finest Filters is part of the Finest Aquatics group of companies. We specialise in high quality aquarium and pond filtration media and equipment. We also provide many other none aquatic related products, including commercial water filters and replacement filter cartridges for refrigerator and under sink filter kits. All of our products are manufactured to the highest standards, under strict quality control measures and all of our products listed are in stock in our UK based warehouse, ready for same day dispatch.
Payment
Our preferred payment method is PayPal. PayPal is the most secure method of payment. We are however pleased to also accept payment via postal order or by cheque. Please make cheques and postal orders payable to ?Finest Aquatics LTD?. Please contact us after placing your order if you wish to pay via postal order or cheque.
Shipping
All of our items are in stock in our UK based warehouse for immediate dispatch. Orders placed before 3pm are shipped on the same day. Please note, we do not dispatch items on Saturdays. We offer free delivery by Royal Mail 48 on all items available for sale in our eBay shop. Our free post option usual takes around 2-3 days to arrive with Royal Mail. We also offer a 1st class postage option, which is usually a next day service if your order is placed before 3pm. If a next day guaranteed service is required, Royal Mail Special Delivery can also be selected at the checkout, and this will ensure the item arrives the next day before 1pm. If required, these postage upgrades can be selected at the checkout stage.
Terms
Please make payment within 7 days of purchasing an item. If you intent to pay for an item after this time, please contact us.
Returns
We hope you will be extremely pleased with your purchase from us, however, if you are unsatisfied or change your mind about a purchase, we have a 'no questions asked' returns policy. All customers are entitled to a refund of the item amount paid minus actual postage costs. We do, however require all products to be returned to us within 60 days, at the customers cost. Please ensure an appropriate level of compensation insures the item whilst in transit, as we can't accept liability for losses of returns in the post. Once we receive the item back in its original condition, We will then refund the item amount minus our postage cost paid. We advise customers to initiate a returns request through the eBay returns centre, so that a packing slip and shipping label can be generated for your order. For change of mind returns, we ask that items are returned in their original condition and packaging to allow them to be resold.
