Vontron ULP Series RO Membrane Element
Ultra-low-pressure RO elements for residential, hospital and laboratory water purifying devices — 50 to 1,000 GPD across the series (Vontron household product table).
Key specifications
Small format (ULP1812 / ULP2012 series)
- Models
- ULP1812, ULP2012 series
- FlowRate
- 50–125 GPD (0.19–0.48 m³/d)
- SaltRejection
- 98–99%
- TestPressure
- 60 psi (0.41 MPa)
- Recovery
- 15% (test)
Medium format (ULP3012 series)
- Models
- ULP3012 series
- FlowRate
- 300–800 GPD (1.13–3.02 m³/d)
- SaltRejection
- 97–98.5%
- TestPressure
- 100 psi (0.69 MPa)
- Recovery
- 15% (ULP3012-300), 40% (ULP3012-400, -500), 50% (ULP3012-600, -800) — test
Large format (ULP3113 series)
- Models
- ULP3113 series
- FlowRate
- 800–1,000 GPD (3.02–3.78 m³/d)
- SaltRejection
- 98%
- TestPressure
- 100 psi (0.69 MPa)
- Recovery
- 50% (test)
Ultra-Low-Pressure RO Element
Vontron's ULP series reverse osmosis elements operate under ultra-low feed pressure (60–100 psi in Vontron's test conditions). Vontron's retrieved documents do not state the membrane chemistry or element construction. Vontron describes them as applicable to water purifying devices for residence, hospital and laboratory. Its ULP model sheets describe low-salinity water such as tap water or well water and publish no household feed-TDS limit. The series spans 50–1,000 GPD per Vontron's household product table.
Performance (tested at 250 ppm NaCl)
- FlowRateRange
- 50–1,000 GPD (0.19–3.78 m³/d)
- SaltRejection
- 97–99% (model-dependent)
- MinRejectionTestConditions
- 95–97% (model-dependent; Vontron states its figures are not a basis for performance guarantee)
- TestPressure
- 60–100 psi (0.41–0.69 MPa, model-dependent)
- TestRecovery
- 15–50% (model-dependent)
Design
- FeedWaterSuitability
- Low-salinity water such as tap water or well water (Vontron ULP model sheets); no household TDS limit published
Best for
Key product advantages
- Ultra-low feed pressure reduces pump energy demand and system component cost
- Wide flow-rate range (50–1,000 GPD) across one product family
- Vontron describes the element as applicable to water purifying devices for residence, hospital and laboratory
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