Valve Body Castings for Your Process Fluid

02A CLEARER CASTING PURCHASE

Valve components supplied with material and machining choices

Relia Casting has its own sand-casting and machining production. Our iron valve-component offer includes drilling, milling, boring, tapping and painting; the separate stainless offer includes sand or investment casting, CNC work, passivation and polishing. Each route is selected for the actual body instead of combining every material and method into one configuration.

For a valve OEM or process-equipment builder, that means one component brief can connect the wetted geometry, selected alloy condition and finished interfaces. We can provide dimensional/material reports and real production photographs for source assessment. The fluid brief still matters: include concentration, temperature, cleaning chemicals and relevant upset or stagnant conditions when choosing the alloy.

03A CLEARER CASTING PURCHASE

Iron and stainless options lead to different specifications

For the iron route, select grey iron or a complete GGG40, GGG50 or GGG60 ductile-iron requirement, with governing standard and delivered condition. For stainless, turn an SS304 or SS316 request into the required cast-grade specification. These names do not establish equivalence between wrought and cast forms.

Compare candidates using service chemistry, temperature and required mechanical properties. Keep any liner or internal coating in the same design decision, including interfaces and inspection, rather than relying on an external painted finish for internal chemical resistance.

04A CLEARER CASTING PURCHASE

The wetted path and sealing lands have separate boundaries

Show the wetted chamber, connections and sealing regions in the model. Identify dead spaces, gasket crevices and areas where solids can collect if these matter to the process assessment. Retain sufficient section around ports and machined seats for the selected pressure-boundary design.

CNC drilling, milling, boring and tapping are offered for our iron valve components. Allocate those operations to the actual port, seat and mounting geometry, with paint or other treatment masked from final contact areas where the design requires it.

Wetted body

Chamber, passages and local pressure sections

Joint features

Seats and connections finished separately

07A CLEARER CASTING PURCHASE

Material records support a traceable service decision

Link the supplied casting to the selected material specification and required condition. A useful record identifies the part or batch, material reference and inspection results requested by the project. If chemistry, mechanical properties or heat-treatment evidence is needed, name it in the purchase package.

For stainless components, passivation and polishing are catalogue options. Define the resulting surface condition and treatment coverage, including treatment after machining where required. This makes the delivered condition understandable without turning a surface operation into a universal chemical-service guarantee.

Material record

Selected cast grade and part/batch link

Final condition

Specified passivation or polishing where chosen

08A CLEARER CASTING PURCHASE

Pressure-boundary and closure checks kept distinct

A pressure-boundary test evaluates containment; a closure-tightness test evaluates the closed valve path. ISO 5208 distinguishes these functions and is applied with the relevant valve product standard. Select the test object and acceptance before comparing suppliers.

The instruction should identify medium, pressure, duration, preparation and permitted leakage or observation criteria. State whether this casting order supplies the body only, a plugged component for testing or an assembly for later valve testing. Each choice changes the useful evidence delivered with the part.

09A CLEARER CASTING PURCHASE

The final surface condition preserved through delivery

Protect gasket faces, machined registers and threaded connections against impact and contamination. Specify transport preservative where compatibility with the process matters. Stainless passivated or polished surfaces and painted iron bodies need different receiving and handling instructions.

The stainless listing offers multilayer wooden-box or pallet packing with an internal plastic bag. Keep openings covered after final cleaning and connect package identity to the material and inspection records. Your receiving team can assess the supplied condition before assembly or further processing.

Protection

Gasket lands and threads kept usable

Packing

Selected stainless scope uses wooden box or pallet

10A CLEARER CASTING PURCHASE

A valve-body purchase tied to its actual service

The useful outcome is a body with the selected material condition, correct wetted form and usable sealing and connection geometry. Relia can supply that casting-and-machining package while your valve design retains its own pressure-temperature and service basis. Material records, feature results and any selected body test should identify the same component.

This lets you compare suppliers on the delivered part rather than an alloy shortlist. For a new body, the path is drawing review, sample manufacture and inspection, your confirmation, then production. Keep any chemistry, treatment or interface change visible before that approval is used for repeat supply.