Manifold Header

Product Specifications

Technical details and manufacturing context for Manifold Header

Definition

A manifold header is a critical piping component used in industrial fluid systems as a central hub for distributing fluids to multiple branch lines or collecting fluids from multiple sources into a main line. It is typically employed in complex piping networks to manage flow distribution, pressure equalization, and system organization. The header consists of a main pipe section with multiple ports, each of which can be connected to branch lines. Valves mounted on these ports allow for individual line isolation and flow control. The manifold header operates by providing a common chamber where fluid enters or exits through multiple ports, equalizing pressure across connected lines and enabling controlled distribution to various branches. This design facilitates efficient system management, reduces the need for excessive piping, and simplifies maintenance by centralizing connection points. Manifold headers are available in various materials, including carbon steel, stainless steel, and alloy steel, to suit different media and operating conditions. Key parameters to consider when selecting a manifold header include nominal diameter (DN15–DN600 per ISO 6708), operating pressure (1.0–1.6 MPa), operating temperature (-40 to 120°C), flow capacity (Cv 10–1500), body material (WCB/CF8/CF8M per ASTM A216/A351), end connections (RF/FF/RTJ per ASME B16.5), pressure rating (PN16–PN40 per ISO 7005), leakage rate (≤0.01%), weight (5–500 kg), surface treatment (epoxy/PU), seat material (PTFE/RPTFE), and testing standard (API 598). These values are reference ranges and must be verified with the manufacturer for specific models and applications. The manifold header is a component, not a standalone system, and its performance depends on proper integration with the overall piping system, including correct sizing, material selection, and installation practices.

Working Principle

The manifold header operates by providing a common chamber or pipe section where fluid enters or exits through multiple ports. It equalizes pressure across connected lines, allowing for controlled distribution of flow to various branches. Valves mounted on the header ports enable isolation of individual lines, facilitating maintenance and flow management. The header's design ensures that fluid is distributed evenly or collected efficiently, depending on the system's requirements.

Common Materials

Carbon Steel, Stainless Steel, Alloy Steel

Technical Parameters

Parameter	Typical range	Notes & selection driver
Nominal Diameter	DN15–DN600 mm	Standard pipe size rangeISO 6708
Operating Pressure	1.0–1.6 MPa
Operating Temperature	-40–120 °C	Above 120°C seals degrade
Flow Capacity (Cv)	10–1500 Cv	Correlates with port size
Body Material	WCB/CF8/CF8M	Select per media compatibilityASTM A216/A351
End Connection	RF/FF/RTJ	Flange type per pressure classASME B16.5
Pressure Rating	PN16–PN40 bar	Higher rating available on requestISO 7005
Leakage Rate	≤0.01 %	Class VI seat leakage
Weight	5–500 kg	Depends on size and material
Surface Treatment	Epoxy/PU	Corrosion protection
Seat Material	PTFE/RPTFE	Chemical resistance
Testing Standard	API 598	Hydrostatic and pneumatic testsAPI 598

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Header Pipe
Main fluid passage that distributes or collects flow

Material: steel
Branch Nozzles Part
Connection points for individual pipeline branches

Material: steel
Flanges Part
Connection interfaces for piping system integration

Material: steel
Reinforcement Pads Part
Structural reinforcement at branch connections

Material: steel
Isolation Valves Optional
Let one branch be shut off without taking the whole header down.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Manifold/Piping

View system integration details

Manufacturers of Manifold Header

Manufacturer profiles associated with Manifold Header.

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Frequently Asked Questions

What is a manifold header used for?

A manifold header is used to distribute fluid from a main line to multiple branch lines or collect fluid from multiple sources into a main line. It helps manage flow distribution, pressure equalization, and system organization in industrial piping networks.

What materials are available for manifold headers?

Manifold headers are available in carbon steel, stainless steel, and alloy steel. The choice of material depends on the media being handled, operating conditions, and compatibility requirements.

What are the typical pressure and temperature ranges?

The operating pressure range is 1.0–1.6 MPa, and the operating temperature range is -40 to 120°C. These are reference values; actual limits depend on the specific model and must be confirmed with the manufacturer.

How do I verify the specifications for a specific application?

You should consult the manufacturer or supplier to confirm model-specific values for nominal diameter, pressure rating, flow capacity, materials, and compliance with standards such as ISO 6708, ASME B16.5, and API 598.

Data Basis

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Preliminary Technical Classification

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pressure:	Up to 3000 psi (207 bar)
flow rate:	Dependent on port size and configuration
temperature:	-40°C to 200°C
slurry concentration:	Not recommended for abrasive slurries >10% solids by weight

Product Specifications

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