本文以英文原文提供。
文章目录
Treat the photo as a visual aid
A product photo helps you recognize the general component or pump family. It is not a complete specification. Similar-looking items can carry different codes, materials or service relationships. Start with the item number and use the image alongside the written configuration, rather than making the image the only basis for an order.
Read the image caption
The DFIN catalog distinguishes model-reference images from representative parts images. A model image can be used across several configurations. A representative parts image illustrates the component category and is labeled accordingly. Where an image is matched to a source item, configuration verification is still part of the ordering process.
Provide your own identification evidence
For a service enquiry, a clear nameplate photo is often more useful than a cropped catalog image. Add the removed part’s code and photographs from more than one angle when available. Explain whether the part is from the original assembly or an earlier repair. These details give the quotation review more context.
Confirm the written supply scope
Before approving an order, compare the quoted item number, description, quantity and material with your requirement. If exact appearance or dimensions are important to the project, request appropriate confirmation for that item. Keeping the review tied to the written identification helps prevent a familiar-looking photo from obscuring a different configuration.
Prepared by the DFIN editorial team as practical identification, selection and maintenance guidance. Confirm the exact product configuration and service procedure before ordering or maintenance.