Phase Distribution Manifolds & Air Headers

The Heap & Partners range of Phase Distribution Manifolds are specially designed to suit an extensive range of applications. These manifold trees are used to distribute various gases or liquids from a compressor or pump to pneumatic actuators as an air header or simply to redirect flow to multiple outlets.


They are typically utilised on pneumatic and hydraulic process media including Air, Gas, Water, Acids, Alkalis and Salt solutions.

The standard range comes in full 316 stainless construction with a 1” inlet and outlet branches from 6 through to 16, and all fitted with ¼ turn PTFE seated ball valves.

In addition to this, we can offer bespoke manifold designs for high pressures, different sizes, special materials, customer specified valves and fittings, all to meet our customers’ stringent specifications.

Phase Distribution Manifolds & Air Headers


Applications Include Gas, Water, Acids, Alkalis & Salt solutions
Supply connections 1” threaded BSPP, BSPT, NPT, Welded Flange and Captive Flange
Branch Connections ¼” and ½” threaded BSPT, NPT or Twin ferrule options
Valves ¼ turn PTFE seated ball valves
Pressure Range Pressure class ASME 150
Temperature Range -10 Deg C to +40 Deg C
Number of Branches 6, 8, 10, 12, 14 and 16 as standard, Bespoke designs may include more
Materials 316 Stainless Steel
Mounting Options Bolt on feet, welded feet or no mounting as standard
Drain Drain size will be based upon manifold bore

Air header manifolds are used to distribute air from the compressor to required locations on a plant and are designed to reduce the number of potential leak paths as aposed to fabricating connections.

They are used for general valve automation and instrument air distribution in a wide range of indutries.

  • Oil and gas offshore and onshore
  • Petrochemical
  • Chemical
  • Plastic processing
  • Industrial chemical processing
  • Power generation
  • General Industrial Automation


Additional information




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Phase Manifolds

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