Air Heater Drilled Flanges

Air Heater Drilled Flanges

Vandan Alloys is a manufacturer, supplier, stockist and exporter of Air Heater Drilled Flanges used for connecting air-heater components, ducts, piping, nozzles and related industrial equipment. These flanges can be manufactured with customized bolt-hole drilling, PCD, outside diameter, inside diameter and thickness according to customer drawings and equipment requirements.

Air Heater Drilled Flanges are supplied in stainless steel, carbon steel, alloy steel and other specified materials for industrial and high-temperature applications.

Air Heater Drilled Flange Specifications

Product: Air Heater Drilled Flanges

Type: Drilled Flanges / Custom Drilled Flanges

Material: Stainless Steel, Carbon Steel, Alloy Steel, Duplex, Super Duplex, Nickel Alloys and other specified materials

Design: As per customer drawing or approved specification

Size: As required by equipment or application

Outside Diameter: As per drawing

Inside Diameter: As per equipment/pipe connection

Thickness: As per drawing or specified requirement

PCD: Customized according to mating component

Bolt Holes: Customized drilling available

Facing: FF, RF or other configuration where applicable

Pressure Rating: As specified by design/application

Inspection: Visual and dimensional inspection

Certificate: EN 10204 Type 3.1 MTC available

Customization: OD, ID, thickness, PCD, drilling, bore and facing

Material Grades

Vandan Alloys supplies Air Heater Drilled Flanges in:

Stainless Steel: 304, 304L, 316, 316L, 321, 347, 310, 310S and 904L

Carbon Steel: ASTM/ASME A105 and other specified carbon steel grades

Alloy Steel: F11, F22 and other specified grades

Duplex Stainless Steel: 2205 / UNS S31803 / S32205

Super Duplex: 2507 / UNS S32750 / S32760

Nickel Alloys: Nickel 200, Nickel 201, Monel 400, Inconel 625, Alloy 20, Hastelloy and other specified grades

Titanium: Grade 2, Grade 5 and other specified grades

Air Heater Drilled Flange Design

Air Heater Drilled Flanges are generally supplied according to the equipment drawing and mating connection dimensions. The drilling pattern is particularly important because the bolt holes must align correctly with the corresponding component.

The required flange dimensions may include:

Outside Diameter

Inside Diameter

Flange Thickness

Bolt Hole Diameter

Number of Bolt Holes

Pitch Circle Diameter (PCD)

Bore

Facing

Overall flange configuration

For non-standard air-heater connections, the approved customer drawing should govern the final dimensions.

Customized Drilling

Vandan Alloys can provide customized drilling according to customer requirements, including:

Different bolt-hole quantity

Special bolt-hole diameter

Special PCD

Unequal or special bolt-hole spacing

Special bore

Customized OD

Customized thickness

Special facing

Drawing-based dimensions

Applications

Air Heater Drilled Flanges can be used for:

Industrial Air Heaters

Power Plants

Boiler Systems

Heat Recovery Equipment

Industrial Heating Systems

Process Equipment

Chemical Plants

Petrochemical Industries

Refineries

Furnace Systems

Duct & Equipment Connections

General Engineering

Quality & Inspection

Air Heater Drilled Flanges can be inspected for OD, ID, thickness, PCD, bolt-hole diameter, number of holes, hole position, bore, facing and overall dimensional accuracy.

Material Test Certificates including EN 10204 Type 3.1 MTC can be supplied as required. Third-party inspection can also be arranged according to customer specifications.

Why Choose Vandan Alloys?

Air Heater Drilled Flanges Manufacturer in India

Air Heater Flanges Exporter in India

Drilled Flanges Supplier in India

Custom Flange Manufacturing Works in India

Drawing-based manufacturing

Customized PCD and bolt-hole drilling

Wide range of stainless steel grades

Carbon steel and alloy steel options

Special dimensions available

Dimensional inspection before dispatch

EN 10204 Type 3.1 MTC available

Worldwide export supply from India

Get a Quote

For Air Heater Drilled Flanges, send us your drawing or dimensions, material grade, OD, ID, thickness, PCD, bolt-hole diameter, number of holes, facing and quantity.

Vandan Alloys supplies customized drilled flanges for air-heater and industrial equipment connections, with focus on dimensional accuracy, material compliance and reliable export supply.

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Air Heater Drilled Flanges Manufacturer in India | Exporter | Vandan Alloys

Meta Description

Vandan Alloys is an Air Heater Drilled Flanges Manufacturer in India, supplier and exporter offering customized PCD, bolt-hole drilling, bore and flange dimensions.

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