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Industrial Gas Turbine Combustion Assemblies

Service Detail from Impro Industries USA, Inc.

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M-Tech, a wholly-owned subsidiary of Impro, is a precision machining parts manufacturer supplying high-complexity and high-precision products to the world’s top players in the Aerospace, IGT, and Oil &Gas industries. M-Tech is specialized in the manufacture of combustion assemblies (end covers and fuel nozzle) for land-based gas turbines.

Our main processes for producing this type of product include:

Process

Type

Size Limit

Accuracy

Turning

CNC

Φ900 (35.4”)

0.005mm

Milling

CNC

1530×1230×1020mm (60.2”×48.4” ×40.2”)

0.02mm

Welding (Brazing, GTAW, EBW)

CNC

φ800*800 (31.5”*31.5”)

 

EDM

CNC

400×300×300mm (15.7” ×11.8” ×11.8”)

0.005mm

ASSY

Manual

Φ900 (35.4”)

0.05mm

Flow test

-         Mass flow range:0.22-473 g/sec

-         Effective area : 0.009-19 cm²

-         Accuracy:±0.48%

-         Repeatability:±0.25%

 

Borescope

Min Φ2.6mm, length 2000 mm

 

The Fuel Nozzle & End Cover assembly is a complex and high precision part composed of more than 200 components that are made from bar stock, plate, pipe, forging, casting and precision machined parts. It requires all capabilities in-house, including machining, EDM, welding, assembly, NDT, and functional test.

We employ cutting-edge 5-axis vertical machining centers, 3 and 4-axis horizontal and vertical machining centers, and CNC lathes to produce these products. Our plant facility is certified to AS 9100D and ISO 9001:2015. A host of special processes are available in-house to ensure quality and shortened lead times. They include:

  • Heat treatment (Nadcap certified)
  • Testing- CMM/Hardness/Flow test/Hydrostatic
  • NDT (Nadcap certified)- FPI/MPI/LP/Borescope/UT

In addition to part production, we also provide customized MRO services, including:

  • Repair of end covers and fuel nozzles
  • Modifications of end covers and fuel nozzles

For additional information regarding our combustion end covers and fuel nozzle assemblies for land-based gas turbines, please contact us now.