Negative-pressure containment pass box with stainless body and exhaust filter module

人員 · 材料の汚染除去設備

負圧封じ込めパスボックス

A transfer chamber held below adjacent-room pressure so leakage is drawn inward and routed to filtered exhaust.

Negative Chamber Bias
Filtered Exhaust
Controlled Make-Up Air
Pressure-Gated Interlocks

商品紹介

The negative-pressure containment pass box moves dusty, potent or odorous material without allowing a passive leak towards the support space. A variable-speed exhaust fan maintains the selected negative pressure, while a controlled make-up path avoids excessive suction at the door seals. A pressure signal controls the interlock logic and indicates when the chamber has recovered after a transfer.

主要な特徴

Closed-loop fan control responds to the measured chamber pressure.

A deliberate make-up air path limits high-velocity leakage through random gaps.

The clean-side door can remain inhibited until pressure recovers.

A sealed final-filter service panel separates captured material from the corridor.

Smooth welded internal surfaces support wipe-down after transfer.

お客様の製品に関する懸念事項

The chamber needs to keep leakage inward without making doors difficult to operate or disrupting adjacent spaces.

Exhaust force makes a door difficult to unlatch.Controlled make-up air and an adjustable setpoint limit the differential pressure.

Filter loading reduces extraction and reverses the leakage direction.Pressure-responsive fan control adjusts airflow as resistance changes.

Captured powder is exposed during routine filter service.A gasketed service housing keeps handling on the designated dirty side.

The next door opens before the chamber recovers.Pressure-gated interlocks delay release until the selected negative bias returns.

典型的な用途

Potent compound transferPowder dispensing roomsHazardous sample handlingOdour-controlled process suites

技術的なパラメータ

Typical pressure-containment construction ranges for a negative-pressure pass box are listed below.

コア材料	Welded SUS 304 or SUS 316L chamber with variable-speed exhaust, make-up inlet and HEPA final filter
パネルの厚さ	80-150 mm sealed plenum and double-wall construction
有効幅	500 — 1200 mm クリアチャンバー幅
最大長さ	最大 1500 mm のチャンバー深さ
鋼鉄の厚さを直面する	1.2-1.5 mm stainless-steel facing
コア密度	35-40 kg/m³ polyurethane insulation around pressure and filter plenums
熱伝導率	0.022 — 0.028 W / （ m · K ）ポリウレタンプレネム絶縁材
表面仕上げ	Brushed or electropolished stainless chamber with smooth coved internal corners
ジョイントタイプ	Pressure-tight welded body with gasketed interlocked doors and sealed filter-service panel
カスタマイズ	意図したアプリケーションと動作環境に基づいて利用できます。

利用可能なオプション

Typical -10 to -50 Pa pressure rangeSafe-change exhaust filterRemote alarm contactsRoom-specific pressure setpoint

Planning a Negative-Pressure Containment Pass Box specification?

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