Lined versions provide an additional barrier against corrosion and contamination, making them ideal for handling reactive or ultra-pure fluids.
Lined Header / Manifold
A Lined Header / Manifold is a critical flow distribution component used in corrosive or high-purity fluid systems to channel media across multiple outlets with reliability and chemical resistance. Designed with internal linings—typically of PTFE, PFA, or FEP—these manifolds provide an inert barrier between aggressive fluids and the metal body, combining the mechanical strength of steel with the chemical compatibility of fluoropolymers.
Each Lined Header / Manifold is engineered with precision and manufactured under strict quality control standards to meet the demanding requirements of modern industrial processes. The combination of a robust steel body and chemically resistant lining ensures unmatched mechanical strength with superior corrosion protection. Advanced lining techniques—such as isostatic molding or paste extrusion—are employed to ensure a uniform, pinhole-free lining that resists permeation and delamination even under thermal cycling and high-pressure conditions. Every unit undergoes rigorous inspection, hydrotesting, spark testing, and dimensional verification to guarantee leak-free performance. Furthermore, customization is available to suit specific process configurations, including non-standard outlet arrangements, jacketed options for temperature control, and automation-ready ports. These manifolds offer long-term reliability, making them an ideal solution for operations seeking to minimize downtime, ensure safety, and maintain product purity in challenging environments. This combination of durability, flexibility, and process integrity makes the product a dependable asset in fluid distribution systems.
In process industries where corrosive acids, solvents, or ultrapure fluids are distributed across multiple lines, the lined manifold ensures safe and efficient media transfer while extending system life. It plays a central role in fluid handling for chemical dosing, sampling, filtration, and circulation systems.
Specifications | Features |
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Body Material: Carbon Steel, SS304, or SS316 (as per application requirement) Lining Material: Virgin PTFE, PFA, or FEP with uniform thickness Size Range: DN 15 to DN 300 (½” to 12”) or custom-built sizes Number of Outlets: 2 to 10 (custom configurations on request) Lining Thickness: Typically 3 mm – 5 mm; up to 7 mm for heavy-duty applications Temperature Range: -30°C to +200°C, depending on lining material Pressure Rating: Up to 10 bar (150 PSI), with optional higher-rated designs End Connections: ANSI/ASME B16.5 flanges, threaded, or custom clamp-type ends Testing Standards: Hydrotested and spark tested to ensure lining integrity Compliance: FDA 21 CFR 177.1550, ASTM F1545, ASME B31.3 compatible |
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FAQ’s
Have a question before you buy our products? Take a look at the FAQs below.
If you don’t find the answer you’re looking for, get in touch with us here.
- Why choose a lined header instead of a standard metal manifold?
- Can these be used in CIP (Clean-in-Place) or SIP (Steam-in-Place) systems?
Yes, they are suitable for both CIP and SIP processes when properly designed, especially in food, beverage, and pharmaceutical facilities.
- How are custom outlet configurations handled in design?
Engineering teams work closely with clients to design manifolds with specific outlet orientations, sizes, and spacing to suit exact process needs.
- What type of maintenance is required for long-term use?
Minimal maintenance is needed due to the non-stick lining, but periodic inspection of connection seals and external surfaces is recommended.
- Is it possible to install valves or instruments on the outlet ports?
Yes, ports can be fabricated to support inline valves, pressure gauges, or sampling points as required by the process design.
- What surface treatments are available for the outer metal body?
Options include epoxy coating, powder coating, or stainless steel finishes to improve external corrosion resistance and aesthetics.
- Can this component be installed horizontally and vertically?
It is versatile and can be installed in either orientation based on flow requirements and space constraints.
- Are lined headers suitable for hazardous environments?
Yes, when paired with the appropriate sealing materials and safety accessories, they can be safely used in classified hazardous zones.
- How does it help in minimizing cross-contamination?
The seamless lining and dead-leg-free design reduce areas where residue can accumulate, minimizing contamination risks.
- Can the manifold be jacketed for heating or cooling?
Yes, jacketed versions can be manufactured to maintain temperature-sensitive media during processing or transfer.
Industries where Lined Header / Manifold is Used
Applications
- Distribution of corrosive chemicals in dosing skids
- Fluid sampling and return headers in pharma facilities
- Acid transfer and neutralization in wastewater systems
- Multi-stream supply to reactors or filtration units
- CIP (Clean-in-Place) manifolds in hygienic systems
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