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Threaded components / cs-product-007

Brass valve joint: define the mating interfaces

A brass joint reference with an open central bore, a textured outer collar and a side opening. Start the supplier enquiry with the surfaces that locate, connect and contact the mating parts, then agree the material, delivered condition and inspection requirements.

Material shown
Brass
Process reference
Scope established against the reviewed drawing
Manufacturing model
Custom manufacture to the approved drawing
Dimensions & tolerances
Specified by characteristic in your drawing

Key geometry & review priorities

  • Open central bore
  • Textured outer collar
  • Side opening in the body

Send your drawing, quantity and mating-part requirements for a project-specific quotation.

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THE PRODUCT CASE / YOUR BUYING DECISION

What must this connector do during installation, and which internal surfaces need a defined acceptance check?

A valve-joint body brings installation and internal passage requirements together. Use this brass reference to clarify the central bore, side opening and textured collar, then define the connection details and cleanliness checks needed for your equipment.

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BEFORE YOU RELEASE THE DRAWING

A practical next step.

Use these guides to define the records and checks your component needs.

Made-to-drawing procurement

Updated

Define the purchased joint rather than an assumed assembly

A joint used in a valve-related assembly should be described through its actual connections. Identify what enters the central bore, what contacts the end faces and how the outside features are used during installation. State the mating-component references needed to understand those relationships. This gives the supplier a component-level requirement against which to review your drawing.

The Chengshuo product reference shows a brass body with a visible opening and textured collar. The original views provide a way to discuss the shape and connection ends. Select the relevant form as a reference, then send the dimensions, revision and units for your own part. Include a model where it helps explain an internal passage or a stepped interface.

Keep the supply boundary explicit. A loose joint component, a matched set and a complete installed assembly involve different purchasing and acceptance decisions. List any additional seals, fasteners or counterpart items separately. If you need assembly work or a functional check in addition to the component, describe that scope and the person responsible for approving the result.

Original Chengshuo brass valve-joint photograph showing an open central bore and textured outer collar
Original brass joint reference from Chengshuo’s published component range.

Chengshuo catalogue source

Control the bore, connection ends and side opening

Assign a drawing datum to the surfaces that locate the joint in the assembly. Define the relationship between the central bore, the end interfaces and any side opening that matters to installation. Distinguish a locating diameter from a passage that only provides clearance. Add sectional views where the internal profile or the transition between features would otherwise be unclear.

Describe each connection end independently. Where a thread is required, specify its system, size and acceptance requirement. Where a sealing or contact face is part of the design, identify its geometry and the condition in which it is inspected. Put important entry edges, reliefs or tool-access requirements on the controlled drawing rather than relying on a general fitting description.

Explain the intended use of the textured outer collar where it affects the enquiry. A hand-contact area, an assembly-tool interface and a cosmetic feature can have different acceptance requirements. Mark the areas on which handling or appearance matters, and state any reference sample used for comparison. Keep those requirements separate from the dimensions that control the mating fit.

Name the brass designation and material standard required for your component. List the material records you need and any separately requested finishing operation. If a treatment affects the bore, threads or contact faces, state the final condition used for acceptance. Alternatives should be identified as separate options with an agreed approval route, so the quotation follows a consistent technical basis.

FeatureEnquiry and acceptance
BoreLocating or clearance function
Record: Controlled geometry and datum
Mating endsConnection type and counterpart
Record: Interface acceptance criteria
Side openingPosition and intended role
Record: Drawing or assembly reference
CollarHandling, tooling or appearance needs
Record: Agreed surface acceptance
MaterialBrass designation and final condition
Record: Requested material records
SampleReported features and separate functional tests
Record: Documented approval basis

Agree sample records and delivery requirements

Identify the features to be reported on samples and the method or reference needed to check them. If a mating component, gauge or fixture is supplied by the buyer, describe its purpose and availability. Separate dimensional inspection of the joint from a test of a complete valve, fluid path or installed system. Any requested functional test should include the actual procedure, conditions and acceptance rule.

Send sample and first-order quantities, destination and required timing with the drawing. Keep the material specification, critical features, finishing and documentation requirements together in the enquiry. The quotation can then state the accepted machining and supply scope. If sample review leads to a change in a mating end or bore relationship, issue a controlled revision and identify the checks to repeat.

For delivery and repeat orders, agree protection for bore entries, connection ends and important contact surfaces. Define the part, revision and batch identification that connects the shipment to the approved sample basis. Review changes in the mating hardware or assembly process before reordering. The enquiry link retains this brass joint reference while you add the controlled details for your own component.

Prepare your enquiry

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Questions before
your drawing review.

What features are visible on the brass joint?

The reference shows an open central bore, a textured outer collar and a side opening. Your drawing defines the required mating details.

Does the product name define a thread or seal standard?

Specify the actual connection standard, dimensions and sealing requirements in the drawing and enquiry so they can be reviewed for the project.

Which brass material should be quoted?

Provide the required designation and material standard, together with any permitted alternatives and requested material records.

How should the collar be described?

State whether it serves handling, a tool interface or an appearance requirement, and identify the relevant acceptance basis.

What is needed for a functional test?

Describe the assembly, procedure, conditions and acceptance rule separately from component measurements. The test scope is agreed for the actual project.

How do I prepare a repeat order?

Retain the approved drawing revision, sample decision, inspection and material records. Review any changes to mating parts, finish or assembly before reordering.

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FROM EXAMPLE TO YOUR REQUIREMENT

Found something
close to your part?

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Use an example to explain your idea.
Your own drawing defines the final specification.

FROM COMPONENT TO PROJECT

Review the evidence. Define your part.

Start with the component geometry, then check what the drawing, sample and order records need to establish for your own part.

Send the current drawing with quantities and critical requirements. The review is the starting point for agreeing scope, quotation and sample approval.

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From drawing to project review.

Read the film transcript

Start with your drawing. Define material and finish. Identify critical features. Align samples and production quantities. Request a project review. Illustrative renders and Chengshuo component photography; this is a project overview, not machining footage.

Discuss your drawing

CHENGSHUO / PROCESS FILMS

Process film

Silent process film. Review workshop handling and process context, then use your drawing and agreed records to specify the component.

View original