Network Cabinet 22U
SKU: FL-IN-009
Mid-size network cabinet, 22U, 600×800mm, glass front door.
| Material | SPCC cold-rolled steel (1.2-1.5mm) |
|---|---|
| Manufacturing Process | Laser cutting + bending + welding + powder coating |
| Surface Finish | Powder coating (black RAL 9005) |
| Tolerance | ±0.5mm |
| Height | 22U |
| Width | 600mm |
| Depth | 800mm |
| Load | 400kg |
| Front door | Tempered glass |
| MOQ | 20 units |
| Lead Time | Quoted after drawing review and process confirmation |
| Sample Time | Quoted after drawing review and process confirmation |
| Sample Fee | USD 220 |
| Price Range | USD 230-320/unit |
| Applications | Office network rooms, small server closets |
| Compliance | EIA-310-D |
| Export Markets | USA, UK, Germany |
How This 22U Network Cabinet Is Fabricated and Checked
A network cabinet is less about equipment weight than about cable: patch panel alignment, bend radius, and a cable path that can still be worked on once the cabinet is full. Those decisions sit in the shell and the base.
| Stage | What happens | What is verified before the job moves on |
|---|---|---|
| Shell and frame forming | Body panels, top and base formed; frame sections cut | Internal clear width and the flange details that decide where rails and cable management can sit |
| Cut-outs and entries | Base and top cable entries, brush strips and gland plates made | Positions relative to the rail faces. A cable entry that lands behind a rail is unusable once the cabinet is loaded |
| Frame welding | Frame and corner seams welded; wall mounting flanges or castor plate fitted as required | Diagonals, and the flatness of the mounting or castor plate, which decides whether the cabinet stands without rocking |
| Rails and mounting provision | 19-inch rails positioned; cable management brackets fitted | Rail spacing and the front-to-back position, since patch panels and switches have different rear clearances |
| Door and side access | Front door and side panels, fixed or removable, fitted | Door clearance with cables in place, and whether side access is actually usable after installation |
| Coating with masking | Degrease, phosphate and powder coat, with bonding areas masked | Film thickness, coverage, and that masked bonding points are clear |
| Cable path trial and packing | Cable rings, vertical managers and blanking panels fitted where specified; unit wrapped and palletised | That a representative cable bundle passes the intended route, and the packed unit against the specification |
What Can Change on Network Cabinet 22U Sheet Metal Without New Tooling
For network cabinets the useful variables are depth, access and cable management, because those are what change once the equipment list is known.
| What can be changed | What it affects | What it does not affect |
|---|---|---|
| Height in U, width and depth | Rail length, internal clear depth and the packing | The rail standard, provided the width stays compatible |
| Wall-mounted or floor-standing | The mounting plate, fixing centres and the base construction | The internal layout, as long as the load path is respected |
| Door type: mesh, glass or solid | Airflow, visibility and the door weight on its hinges | The frame |
| Cable management arrangement | Bracket positions, vertical managers and the cable path | The rails, provided the front-to-back position is kept |
| Blanking panels and airflow | Whether open U spaces are closed off to keep the airflow path | The structure |
| Colour, finish and labelling | Powder specification and any identification requirement | Nothing structural |
Network Cabinet 22U Sheet Metal: Common Buyer Questions
How much rear clearance do patch panels and switches need?
More than the nominal depth suggests, because the bend radius for copper and especially for fibre has to be respected behind the panel. We position the rails to a stated rear clearance rather than centring them, and confirm it against the equipment list where one is available.
Is a wall-mounted cabinet realistic at this size?
It is, but the load goes into the wall through the mounting plate, so the wall construction and the anchor type decide the practical equipment weight. On a wall mount we keep the mounting plate flat and give the fixing centres so the anchors can be sized properly.
Should the cabinet be ventilated or sealed?
Ventilated with filtered intake where the environment is dusty, sealed with a fan tray and blanking panels where it is clean but the heat load is high. Blanking panels matter more than people expect: an open U space shorts the airflow path.
Cable access and airflow are the two things that make a network cabinet pleasant or painful to live with, and both are decided in the shell. Send the equipment list and the cable types through the RFQ form so the rail position is set to the bend radius rather than to a nominal centre. Related: enclosure manufacturing, enclosure assembly and export packaging.
Depth Is the Dimension Buyers Under-Specify on a 22U Cabinet
Height gets the attention on a network cabinet because it is the number in the product name. Depth is the dimension that decides whether the cabinet works once it is populated. An 800 mm deep shell sounds generous until you add a switch that is 450 mm deep, a patch panel in front of it, and the bend radius the patch leads need at the back. Cable that has to turn through 90 degrees inside a cabinet does not bend at zero radius, and the space it needs comes straight out of the depth you thought you had spare.
- The rear clearance behind the mounting rails is what limits cable management, not the space in front of the rails – and the rear is the side nobody measures at specification stage.
- A 600 mm deep cabinet and an 800 mm deep cabinet can hold the same 22U of equipment on paper. Only one of them lets you close the rear door without pushing on the cable bundle.
- Vertical cable managers and side-mounted panels consume width. If your layout uses them, the internal width is the dimension to confirm, not the external one.
Send us the deepest device you plan to install and how the cables leave it, and we will tell you whether 800 mm is enough or whether the frame needs to go deeper. That is a drawing change, not a tooling change, and it costs nothing at quote stage.
What a Glass Front Door Changes About Thermal and Access Planning
A tempered glass front door is chosen for two good reasons: you can see indicator LEDs without opening the cabinet, and the street-facing side of the installation looks finished. It also removes the largest available ventilation area on the cabinet. A perforated front door passes air; glass does not. That means the thermal path has to be planned somewhere else – roof-mounted fan trays, vented rear door, or ventilation slots in the side panels – and it has to be planned before the shell is cut, because adding louvres to a finished cabinet is a rework job.
The glass panel is also a weight and a handling item. It sits at the front of a cabinet that is meant to be moved into position on castors, which raises the centre of gravity. We specify the frame section to carry the door without racking, and we confirm the hinge side with you early: swapping the hinge side after powder coating is not possible. If your installation puts two cabinets face to face in an aisle, tell us, because the door swing and the handle projection both need to be checked against the gap. Lead time is quoted after drawing review and process confirmation.
Payment Terms
How a project is paid for is agreed before production starts, and the structure that applies to your order is stated on the quotation and on the order confirmation, so there is no ambiguity later.
- 30% advance payment with the order and the 70% balance before shipment — our standard structure.
- 70% advance payment with the order and the 30% balance before shipment — used for some projects.
- 100% payment in advance before production starts — used for some projects.
If your finance team works to a fixed structure, say so in the first enquiry and we will confirm what applies to your order before you commit. Request a quotation.
Questions buyers ask before sending drawings
The questions that come up most often before a project starts, answered the way we answer them by email.
What do you need from me to quote Network Cabinet 22U?
2D drawings as PDF, DWG or DXF, or 3D files as STEP, IGES or SolidWorks, together with material grade, sheet thickness, surface finish, quantity and destination country. If the drawing is not finished yet, send a photo, a sketch or the existing part instead — we review what can be measured from it and reply with the questions that still need answering.
How long does a quotation take?
Enquiries are answered within one business day. Simple laser-cut and bent parts are quoted within 24 hours. Welded frames, assembled units and multi-part structures are quoted after the drawing review and process confirmation, and the date is confirmed in our reply.
Is there a minimum order quantity?
Prototypes are made from a single piece and small batches of 10–50 pieces are routine. Prototype, first batch and repeat volume are quoted together so the numbers stay consistent as the project scales.
Can you work from a sample or a photo if I have no drawing?
Yes. Send the part itself, clear photographs with a rule or caliper in frame, or a dimensioned sketch. We measure what can be measured, list what is still undefined, and confirm it with you before production.
Need a Similar Part?
Most enquiries that start on a page like this are not an order for Network Cabinet 22U — they are a search for a factory that can make something like it. Send us your drawing, 3D model or sample and we will review the manufacturing process and the quotation requirements, then come back with a process plan, a price and a lead time.
We work from 2D drawings, STEP / DWG / DXF / PDF files, or a physical sample if that is all you have.
No complete drawings yet? Describe the part, send photos or a sketch, or send a sample — we can start from there. Discuss your project.
Trade Terms and Delivery
We quote under the standard Incoterms your logistics team already works with, and build the packing and documentation around the one you choose.
- EXW — you collect from our Ningbo facility and run export clearance through your own forwarder.
- FOB Ningbo — we deliver to the vessel at Ningbo port and handle export clearance.
- CIF — we cover carriage and insurance to your named destination port.
- DDP — we handle carriage, insurance, import clearance and duties through to your door.
Send your destination country, target delivery date and preferred trade term together with the drawing. Request a quotation.
Quotation Time
We quote from your drawings. How long that takes depends on what the part asks for:
- Simple parts — quoted within 24 hours. Laser-cut blanks and bent components, supplied with complete 2D or 3D drawings. Mon–Fri, GMT+8.
- Complex assemblies — quoted after the drawing review. Payment kiosks, multi-part welded frames, enclosures with purchased hardware, or anything needing a coating or assembly trial. We confirm a quotation date once the scope is clear.
Production lead time is quoted separately, after drawing review and process confirmation. Send your drawings.
What stands behind this quotation
- Manufacturing since 20162,500 m² Ningbo plant — 3 laser cutting machines (including newer TRUMPF), 4 CNC press brakes and 10 welding stations.
- Shipped to more than 30 export marketsEnclosures, cabinets and formed parts supplied to OEM buyers across Europe, North America and Asia.
- 123 documented product casesMedical device housings, HVAC and heat pump enclosures, agricultural and livestock equipment, industrial hydraulics, material handling trolleys and EV charging cabinets.
- Factory evidence you can checkTUV Rheinland audit reference MIC-ASI243729 and Bureau Veritas reference MIC-ASR263630 available for buyer review under NDA.
Before you send drawings: an NDA is signed on request · first-article inspection is carried out before a batch continues · pricing is staged from prototype quantity to repeat volume · pre-shipment photos and packing records are prepared when the project needs them.