Industrial steel doors
Indoor and outdoor carbon steel door applications listed in the water-drop family introduction.
Discuss your installationIndustrial weld-on hinges
Two catalog variants with the same published dimensions: Type A has chamfered ends, while Type B has right-angle ends.
The product
The 20 Type family contains two source-defined end structures. 20-A is chamfered at both ends; 20-B has right-angle ends. No additional versions are inferred.
Both variants share the exact published D, D-1, L, d, L-1, c and L-2 values shown below. The catalog does not print a unit for this table.
Original catalog data
Original catalog parameters. Units are not stated in the source; please confirm for your project.
| Model | D | D-1 | L | d | L-1 | c | L-2 | Choose a size for your inquiry |
|---|---|---|---|---|---|---|---|---|
| 20-A | 20.00 | 24.80 | 140 | 10.85 | 60 | 20.00 | 7 | Select size |
| 20-B | 20.00 | 24.80 | 140 | 10.85 | 60 | 20.00 | 7 | Select size |
Each row is a published catalog entry. Choose a size to add the exact notation to your inquiry.
Original reference · catalog page 5
Catalog applications
These applications are documented for the water-drop hinge family. Confirm the 20-A or 20-B end structure against your installation.
Indoor and outdoor carbon steel door applications listed in the water-drop family introduction.
Discuss your installationSwitch cabinets, control cabinets, network cabinets, GGD and AE cabinets, and other industrial cabinets.
Discuss your installationCustom hinge requirements
Send your required dimensions or technical drawing for review. Include the quantity and application so we can discuss the requirement.
Discuss Your Requirement Explore custom manufacturing
From the factory
Lathe processing for manufactured hinge components.
Automatic punching as part of metal component processing.
Assembly and standardized product handling support production.
Product checking tools are used during the production process.
Packing requirements
The catalog publishes a packing method specifically for the 20 Type series.
This packaging record is scoped to the 20 Type family.
Discuss your packing requirement
Kraft-paper inner boxes with plastic-film lining; corrugated outer packaging with sealing tape and packing straps.
Catalog page 16Before you inquire
The source publishes 20-A and 20-B with identical dimensional values and different end structures; the unit is not printed. Only the individual published records shown in the table are presented as catalog options.
Send the required dimensions or a technical drawing for review. The catalog describes general custom product development and production, but the requested configuration must be confirmed.
Use the file fields in the inquiry form to attach a drawing or reference image. Include the dimensions, installation details and any requested changes. Check the form's submission result after sending.
Include the hinge family, exact catalog notation or required dimensions, estimated quantity, application and company contact details. Add your drawing and packing requirements where available.
Let’s talk about your project
Start with what you know. Tell us the hinge type, dimensions, quantity and application you have in mind.
Standard range or custom requirement.
One conversation to get started.