NEW Industrial RO Membrane BW8-380AF

Short Description:

8040 series Industrial RO Membranes  include TW8-460ULP, BW8-440XLE, BW8-400LP, BW8-380AF. They are widely used for filtration of tap water, underground water & brackish water; we well serve the industries including commercial drinking/ food water treatment, electronics & chemical works, power plant, etc.


  • Brand Name: HID
  • Desalination: 99%
  • OEM/ODM: Accept
  • Manufacturer: Yes
  • Delivery Time: 2-7 days
  • Shipping Support: Express / Sea/ Land/ Air freight
  • Place of Origin: Jiangsu, China
  • E-mail: info@ro-hid.com
  • Model: BW8-380AF
  • Product Detail

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    Company Profile

    Product Tags

    BW8-380AF-2

    HIDTM Industrial RO Membranes – 8040 Series:

    Being one of the earliest RO membranes manufacturers in China, HID TM ranks the best brands among the Chinese RO membrane industry. Each RO membrane is made of HID TM high rejection flat sheet and goes through most stringent manufacturing processes as well as in-house quality inspection & testing till delivery.
    8040 series RO membranes are widely used for filtration of tap water, underground water & brackish water; we well serve the industries including commercial drinking/food water treatment, electronics & chemical works, power plants, etc.

    Industrial RO Membranes Main Features:

    - HID TM anti-fouling & high rejection flat sheet (film);
    - lower energy costs (low pressure models) and higher productivity;
    - highly stabilized rejection with realized nominal flux;
    - minimize system CAPEX with HIDTM RO membrane excellent performance-price ratio;
    - stringent in-house inspection & testing control.

    Industrial RO Membranes Dimensions:

    8040-RO-Membrane-Dimension
    Model No. A (inch/mm) B (inch/mm) C (inch/mm)
    TW8-460ULP 40/1016 8.0/203.2 1.125/28.6
    BW8-440XLE
    BW8-400LP
    BW8-380AF

    Industrial RO Membrane Model & Performance:

    Model No. Feed Spacer 
    thickness (mil)
    Min. Salt 
    Rejection (%)
    Stabilized Salt 
    Rejection (%)
    Permeate 
    Flow Rate (GPD)
    Test 
    Pressure (psi)
    Test water
     TDS (ppm)
    TW8-460ULP 28 98.3 98.8 12000 150 1000
    BW8-440XLE 31 98.5 98.9 11000 150 1500
    BW8-400LP 31 98.6 99.2 10500 225 2000
    BW8-380AF 34 98.7 99.2 9600 225 2000

    1. Permeate flow rate and salt rejection is based on testing conditions: 25℃, PH 7.5, 20% recovery.
    2. Stabilized salt rejection is generally achieved within 24-48 hours of continuous use, depending upon feedwater characteristics and operating conditions.

    Industrial RO Membranes Operating Limits

    Model No. Maximum 
    Operating 
    Temperature
    Maximum 
    Operating 
    Pressure
    Feed Water 
    PH Range,
     continuous 
    operation
    Maximum Feed
    Water Turbidity
    Maximum 
    Feed Water 
    SDI
    Chlorine 
    Tolerance
    TW8-460ULP 45℃ 600psi 2-11 1NTU 5 <0.1ppm
    BW8-440XLE 45℃ 600psi 2-11 1NTU 5 <0.1ppm
    BW8-400LP 45℃ 600psi 2-11 1NTU 5 <0.1ppm
    BW8-380AF 45℃ 600psi 2-11 1NTU 5 <0.1ppm

    Industrial RO Membranes General Information:

    To ensure proper startup of RO water treatment systems is essential to prepare the membranes for operating service and to prevent membrane damage due to overfeeding or hydraulic shock.
    To follow the proper startup procedure (available with water treatment system guide book) also helps ensure that system operating parameters conform to design specifications so that system water quality and productivity goals can be achieved.
    Before initiating system startup procedures, membrane pretreatment, loading of the membrane elements, instrument calibration and other system checks should be completed.

    Industrial RO Membranes Operation Guidelines:

    It is CRITICAL to avoid any abrupt pressure or cross-flow variations on the RO membrane elements during start-up, shutdown, cleaning or other sequences to prevent possible membrane damage. During startup, a gradual change from a standstill to operating state is recommended as follows:
    • Feed pressure should be increased gradually over a 30-90 second time frame.
    • Cross-flow velocity at set operating point should be achieved gradually over 15-30 seconds.
    • Permeate obtained from the first hour of operation should be discarded.

    Industrial RO Membranes Important Information:

    Keep RO membrane elements moist at all times after initial wetting.
    If operating limits and guidelines given in this specification are not strictly followed, the limited warranty with the supplier will be null and void.
    To prevent biological growth during prolonged system shutdowns, it is recommended that RO membrane elements be immersed in a storage solution.
    The customer is fully responsible for the effects of incompatible chemicals and lubricants on elements.
    The maximum pressure drop across an entire pressure vessel (housing) is 50 psi (3.4 bar).
    Avoid static permeate-side backpressure at all times.


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  • HID RO Membranes are widely used in ultra-pure water, process pure water, cooling tower water, boiler water supply, pure water, throughout the electronics industry, optoelectronic industry, machinery manufacturing, fine chemical industry, medical pharmaceutical, food, and beverage industry, surface coating, and many other industries.

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