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4040 Brackish Water RO Membrane (ULP31-4040) | Low-Pressure, 99.5% Rejection

  • Model: ULP31-4040 – Brackish Water 4040 RO Membrane
  • Low-pressure, high rejection: designed for 4″ vessels with easy retrofit
  • Typical rejection: up to ~99.5% (NaCl, 25 °C, 2,000 ppm, 15% recovery)
  • Energy friendly: lower ΔP at design flux → reduced kWh/m³
  • Quality assurance: each element wet-tested; traceable serial No.
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제품 설명

ULP31-4040 Brackish Water RO Membrane

그리고 4040 brackish water RO membrane (ULP31-4040) is a low-pressure, high-rejection element for groundwater, well water, and industrial reuse applications. It fits standard 4″ pressure vessels and helps reduce operating pressure while meeting product conductivity targets. Each element is individually tested and serialized for traceability.

Where it excels

  • Energy savings: achieve design flux at lower pressure compared with conventional 4040 elements.
  • Stable product quality: high salt rejection reduces polishing load downstream.
  • Easy retrofit: standard 1/2″ permeate tube, common interconnectors, and 4″ vessel compatibility.

Commissioning & acceptance (best practice)

  1. Normalize permeate flow to temperature; compare with clean baseline values.
  2. Verify product conductivity / salt rejection meets design spec at the target recovery.
  3. Confirm stage ΔP is stable after air purge and full wet-out.
  4. Record pressure (feed/concentrate/permeate), flow, and conductivity as your new baseline.

Note: Typical values below are for engineering guidance only. Always confirm with the latest datasheet and your feedwater analysis.

Related guides: RO membrane replacement · Cleaning & CIP · Troubleshooting

제품 매개변수

Item ULP31-4040 (typical) Test / Notes
Permeate flow ≈ 2,400 GPD (≈ 9.1 m³/d) 2,000 ppm NaCl, 25 °C, 150 psi (1.03 MPa), 15% recovery
Salt rejection up to ~99.5% (typ.) Based on NaCl; field results depend on recovery and temperature
Membrane type Thin-film composite (TFC) Dechlorination required before TFC
Element size 4.0″ × 40″ Standard 4″ vessel; verify brine seal orientation
Permeate tube (ID) ≈ 0.75″ Standard interconnectors
Operating pressure Typically 70–200 psi (0.5–1.4 MPa) Operate within supplier window for the target flux
Max feed temperature 45 °C (113 °F) Correct to 25 °C for normalized data
Allowable pH (continuous) 2–11 Cleaning pH up to 1–12 (short-term) as per supplier
Free chlorine tolerance 0 mg/L (TFC) Dechlorinate upstream; monitor ORP
Recommended SDI < 5 (SDI15) Keep iron/manganese within limits; antiscalant as required

Values are typical and not guaranteed; design and acceptance should follow the latest model datasheet and site water analysis.

해당 산업

  • Electronics & component rinsing (BWRO)
  • Bottling / beverage make-up water
  • Laboratories and pilot plants
  • Hotel, clinic, and commercial water supply
  • Well water and groundwater polishing before DI/EDI

장점 1

Advantage 1 — Low Pressure, High Rejection

ULP31-4040 achieves design flux at lower ΔP while delivering high NaCl rejection. Plants typically see reduced specific energy (kWh/m³) and steadier product conductivity, especially at moderate recovery.

이점 2

Advantage 2 — Easy Retrofit & Simple Maintenance

Standard 4″ vessel compatibility, common interconnectors, and a 0.75″ permeate tube make changeout straightforward. Baseline acceptance is quick: verify normalized flow, product conductivity, and stage ΔP after wet-out.

관련 제품

연관 상품

자주 묻는 질문

역삼투압 시스템의 수명은 수질과 유지 관리에 따라 달라집니다. 일반적으로 멤브레인의 수명은 2~3년이며, 시스템 자체는 적절한 관리를 통해 10년 이상 지속될 수 있습니다.

예, 모든 시스템은 완벽하게 사용자 정의할 수 있습니다. 고객의 수질 보고서와 애플리케이션 요구 사항을 분석하여 맞춤형 솔루션을 제공합니다.

당사의 제품은 CE, ISO 9001을 준수하며 요청에 따라 특정 지역 규정 또는 산업 표준을 충족하도록 설계할 수 있습니다.

표준 시스템은 7~15일 이내에 배송됩니다. 맞춤형 주문의 경우 복잡성에 따라 리드 타임이 20~25일로 연장될 수 있습니다.

예. 전체 기술 문서와 비디오를 통한 원격 지원을 제공하며, 요청 시 엔지니어를 해외로 파견할 수 있습니다.

견적에는 전체 RO 시스템, 제어판, 펌프, 전처리 장치 및 필요한 모든 피팅이 포함됩니다. 요청 시 설치 도구와 예비 부품도 포함될 수 있습니다.

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