STjh 24 x 48 inch high-airflow FFU with a separate lower room-side filter frame and adjacent top control enclosure

STJH-HIGH-AIRFLOW-FFU-24X48-RSR-850CFM

Fan Filter Unit 24 × 48 in Room-Side Replaceable High-Airflow

A 2 x 4 ft high-airflow FFU that allows final-filter replacement from the occupied cleanroom side.

Room-side-replaceable final filter
200-850 CFM operating range
ECM variable-speed drive

การแนะนําสินค้า

This 24 x 48 in high-airflow module combines a published 200-850 CFM range with a room-side-replaceable filter arrangement. Its 16.42 in cabinet is taller than the standard high-flow models because the service architecture is designed around occupied-side filter access. At a 90 FPM reference point it supplies 477 CFM using 65 W and produces 47 dBA, making service direction—not maximum airflow alone—the defining reason to choose it.

คุณสมบัติที่สําคัญ

Occupied-side filter service

The RSR configuration supports final-filter replacement where access above the ceiling is limited or controlled.

Wide adjustable range

Published operation from 200 to 850 CFM allows the module to be balanced across varied cleanroom duties.

Efficient reference point

At 90 FPM the unit is listed at 477 CFM, 65 W and 47 dBA, providing a practical baseline for room design.

พารามิเตอร์ทางเทคนิค

Nominal Module Size	2 x 4 ft
External Dimensions	23.63 x 47.63 x 16.42 in (600 x 1210 x 417 mm)
Airflow Range	200-850 CFM
Reference Airflow	477 CFM at 90 FPM
Reference Power	65 W at 90 FPM; 240 W at maximum airflow
Reference Sound Level	47 dBA at 90 FPM
Motor Type	ECM
Filter Service	Room-side replaceable
Unit Weight	71 lb
การปรับแต่ง	สามารถใช้ได้ตามแอปพลิเคชันที่ตั้งใจไว้และสภาพแวดล้อมการทํางาน

Applications

Suitable for life-science, healthcare and clean-manufacturing ceilings where maintenance must be performed from the controlled room. The replacement procedure, containment needs and room recovery plan should be defined before selecting room-side service.

Solutions for Your Application

There is no practical service path above the cleanroom ceiling.Use the RSR filter arrangement so the final stage can be accessed through the room-side face.

A high maximum airflow could mask excessive energy use at normal duty.Commission the ECM around the required face velocity and use the 65 W reference point as a comparison benchmark.

ตัวเลือกที่มีอยู่

Confirm the final-filter grade and seal, room-side service procedure, supply voltage, ECM control interface and ceiling support. Select the operating airflow from the verified room pressure and air-change requirements.

Planning a Fan Filter Unit 24 × 48 in Room-Side Replaceable High-Airflow specification?

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