STjh compact 18 by 18 by 24 inch dynamic HEPA pass box with tall stainless chamber and top recirculation plenum

STJH-DYNAMIC-PASS-BOX-18X18X24

Dynamic HEPA Pass Box 18 × 18 × 24 in

A compact actively filtered transfer chamber for small particle-sensitive loads requiring interior air recovery.

18 x 18 x 24 in chamber
Continuous HEPA recirculation
25 x 36.5 in wall cutout

Giới thiệu Sản phẩm

This wall-mounted 304 stainless pass box continuously recirculates chamber air through HEPA media. Bottom return slots draw air back to the filter, while blower speed control adjusts the recirculation duty. The 18 x 18 x 24 in work zone is intended for small aseptic components and samples, with a 25 x 36.5 in wall cutout guiding installation planning.

Các tính năng chính

Active particle recovery

Recirculation removes airborne contamination introduced during door opening instead of relying on passive settling.

Low-level air return

Slots along the chamber bottom pull air back through the filter without occupying the usable work surface.

Adjustable blower duty

Speed control lets commissioning balance airflow, pressure and noise for the installed condition.

Thông số kỹ thuật

Inside Dimensions	18 W x 18 D x 24 H in
Product Dimensions	24.5 W x 18 D x 36 H in
Wall Cutout	25 W x 36.5 H in
Chamber Material	304 stainless steel
Filtration	Recirculating HEPA
Filter Efficiency	99.99% at 0.3 µm source design
Air Return	Bottom interior slots
Motor Type	Brushless DC
Electrical Supply	120 V source configuration
Tùy chỉnh	Có sẵn dựa trên ứng dụng dự định và môi trường hoạt động.

Applications

For aseptic samples, electronics components and small prepared materials that benefit from active chamber cleanup. Commission airflow after installation and define a purge interval before the clean-side door releases.

Solutions for Your Application

Particles remain suspended after the less-clean-side door closes.Operate the recirculating HEPA blower for a defined recovery period before permitting clean-side access.

The filter and fan package may not fit a standard pass-through opening.Coordinate the 25 x 36.5 in cutout and service clearance before the partition is closed.

Các tùy chọn có sẵn

Select electronic interlock, leak-rated door, filter alarm, electropolish and alternate voltage. Determine whether filter-housing leak testing is needed for the process.

Planning a Dynamic HEPA Pass Box 18 × 18 × 24 in specification?

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