STjh 33 mm low-resistance U15 ULPA filter main view

STJH-LOW-RESISTANCE-ULPA-U15-033

Low-Resistance ULPA Filter U15 0.33 in. w.g.

An energy-focused U15 membrane panel selected specifically for the lowest published resistance tier in the ULPA range.

0.33 in. w.g. clean resistance
U15 efficiency
Energy-focused ceiling duty

Введение продукции

The purchasing focus of this model is its U15 efficiency at a nominal 0.33 in. w.g. clean resistance, measured at 100 fpm net face velocity. It uses the same 35 mm boron-free ePTFE pack technology as higher grades but minimizes the pressure burden across large ceiling arrays. It is appropriate where operating cost and airflow uniformity matter and U15 satisfies the process risk assessment.

Основные характеристики

Lowest pressure tier

The 0.33 in. w.g. starting point preserves fan headroom for loaded-filter operation and room balancing.

Large-area suitability

Lower per-panel resistance is valuable when hundreds of filters operate in parallel across a semiconductor ceiling.

Tough supported membrane

Spunbond scrim protects the ePTFE sheet while retaining a thin 35 mm airflow path.

Технические параметры

Efficiency Class	U15
Minimum Efficiency	99.9995% at MPPS
Nominal Initial Resistance	0.33 in. w.g.
Resistance Test Velocity	100 fpm net face velocity
Filter Media	Boron-free supported ePTFE
Media Pack Depth	35 mm
Frame Material	Anodized aluminum
Pleat Separation	Polyamide hot-melt beads
Available Seal Systems	Gasket, reverse gel or knife edge
Customization	Доступно в зависимости от предполагаемого применения и операционной среды.

Applications

Best suited to broad semiconductor cleanroom ceilings and energy-sensitive unidirectional-flow systems that accept U15. It can also support OEM tools where low static pressure is more important than moving to a higher ULPA grade.

Solutions for Your Application

The cleanroom energy model assumes all ULPA grades have the same resistance.Use the stated 0.33 in. w.g. U15 point at 100 fpm and model loading separately for the chosen replacement interval.

Low resistance is achieved on paper but airflow bypasses an incorrect perimeter seal.Pair the media pack with the exact gasket, reverse-gel or knife-edge frame used by the ceiling grid.

Доступные варианты

Choose face size, frame series, sealing interface, gasket location, faceguards and any center-divider or test-port configuration.

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