Pipeline & infrastructure
Select the component by what the pipeline needs it to do.
Movement, vibration, maintenance access, leakage repair and flow control require different component families. Start with the system function, then confirm medium, pressure, temperature, connection, dimensions and installation constraints.
Component decision tree
Begin with the required function
A similar flange size does not make two components interchangeable. Identify whether the project needs movement absorption, flexible routing, pipe joining, dismantling space, localized repair or directional flow control.
Absorb movement or vibration
- Rubber expansion joint for flexibility and vibration isolation
- Metal bellows for defined thermal movement and engineered restraint
- Flexible hose for routed movement and equipment connection
Join, adapt or dismantle
- Coupling for pipe-to-pipe connection
- Flange adaptor for a plain pipe to flanged equipment
- Dismantling joint for controlled axial adjustment and maintenance access
Repair or control flow
- Repair clamp for a defined defect and actual pipe outside diameter
- Isolation or control valve for operating duty
- Check valve for one-way flow and backflow prevention
Operating-condition checklist
The rating belongs to the complete application
Published product data may not contain every project value. That does not remove the need to discuss each engineering dimension; it means the final selection must be confirmed against the buyer's actual system.
Requirement review
From a requested size to a controlled specification
A useful inquiry connects operating conditions to construction and acceptance. RELIA can review the data already available and identify the remaining items needed for stock matching or custom production.
- Mark confirmed and provisional values separately.
- Attach the latest drawing, specification or sample information.
- Identify documents or inspections required with the order.
- Keep quotation assumptions visible for later sample or production review.
Product gateways
Continue by component family
Buyer questions
Common pipeline selection questions
Can a flange size alone identify the correct component?
No. The same nominal size may be available in different flange standards, pressure classes, face-to-face lengths, materials and movement constructions. Provide the complete connection and operating information.
What if the final pressure class is not confirmed yet?
Share the known operating pressure, the adjacent piping or valve class, and clearly mark the requested class as provisional. RELIA can review the relationship, but the project authority must confirm the final design basis.
Can a sample be used when no drawing is available?
A sample can support identification and dimension capture. Wear, compression, corrosion or deformation must be considered before the sample is treated as the manufacturing reference.
Pipeline project review
Send the system conditions—not only a product name.
Provide the medium, pressure, temperature, size, connection, movement or repair requirement, quantity and available drawings. RELIA will organize the open items and propose the next review step.
