Have you ever found yourself in a conversation with someone discussing a pass box, but felt lost because you couldn't understand what they were talking about or what was listed in the specifications? We understand that this situation occurs frequently, so we've decided to simplify some commonly heard basics for you.

Pass box dimension

Pass box dimensions are determined by two factors: internal size and external size. The internal size is particularly crucial as it dictates the types of materials that can be transferred through the pass box.

Static Pass box

Standard static pass box size

Type 500 600
Internal size 500 x 500 x 500 600 x 600 x 600
External size 660 x 550 x 600

760 x 650 x 600

Standard dynamic pass box size

Type 500 600
Internal size 500 x 500 x 500 600 x 600 x 600
External size 570 x 580 x 900

770 x 680 x 1200

Pass box material

Pass boxes are typically constructed from stainless steel. However, some pass boxes may feature a powder-coated steel exterior while maintaining a stainless steel surface internally.

Dynamic pass box

Interlock system for pass box

Pass boxes are equipped with either a mechanical or electronic interlocking system to prevent both doors from being opened simultaneously.

Power

The power supply for pass box is typically 220V.

HEPA filter

Dynamic pass box utilizes HEPA filters with a filtration efficiency of up to 99.99%.

Air velocity

The air velocity within pass boxes is maintained at approximately 0.45m/s with a variance of ± 20%.

Static pass box tech specifications

Model VCR500SP VCR600SP VCR700SP VCR800SP

External size

(W×D×H)mm

620×560×580 720×660×680 820×860×780 920×860×880

Internal size

(W×D×H)mm

500×500×500 600×600×600 700×700×700 800×800×800
Casing material

Stainless steel/ Powder-coated steel

Internal material Powder-coated steel
Interlock

Mechanical interlock/ Electronic interlock

Power 20/ 50Hz

Dynamic pass box tech specifications

Model VCR500DP VCR600DP VCR700DP VCR800DP

External size

(W×D×H)mm

570x580x900

770x680x1200 920x830x1350 970x880x1400

Internal size

(W×D×H)mm

500×500×500

600×600×600 750×750×750 800×800×800
Casing material

Stainless steel/ Powder-coated steel

HEPA Filter

Hepa H13 - 99,99%@0.3μm

Internal material Powder-coated steel
Interlock

Mechanical interlock/ Electronic interlock

Power 20/ 50Hz

Pass Box Specifications

Vietnam Cleanroom Equipment (VCR) specializes in providing cleanroom equipment for construction contractors.

We provide high-quality products with competitive prices and large quantities nationwide. The equipment includes:

Differential pressure gauge, FFU Fan Filter Unit, Pass box, Clean room air filter, HEPA box, Clean booth, cleanroom steel door, Isolator cabinet, and other equipment