EST. 1986

Complete Solutions in
Flexible Metal Joints

We design, manufacture and deliver on time every time. Safety, customer focus, and a passion to win are our top priority.

30 Years of Experience

Quality That Never Bends

We are not flexible on Quality and Customer Service. Our EJMA‑compliant designs ensure optimal pipeline solutions.

EJMA Standards

Tailor‑Made

On‑Time Delivery

WIDE RANGE

From Metallic to Rubber Bellows

We offer complete solutions: Single, Universal, Hinged, Gimbal, Pressure Balanced, Rectangular, and SS Hoses.

Explore Products
Our Story

About AA Expansion Joints

We established ourselves in the year 1986. We started as a trading company dealing in flexible metal hoses. After gaining our experience in the trading field and constant input from our valued customers we started our own weld shop to cater to the customized orders from our loyal and valued customers.

Over the years of gaining experience we started manufacturing metallic expansion joints as per design and specifications provided by our customers. Now our team of experienced personnel are capable of designing and providing tailor made solutions according to EJMA standards.

Our experience in the design and implementation of expansion joints gives you confidence that you have choose the optimal solution for the modern construction of the pipeline. This means that we do projects and produce expansion joints in accordance with customer requirements. Furthermore, we are often involved together with our customers in designing and developing new products. AA Expansion Joints Pvt. Ltd has high quality and technology and works on constant technological improvement. Our customers are well-known and successful companies and we thank them for repeated orders.

QUALITY
WIDE RANGE OF PRODUCTS
SERVICE
CUSTOMER SATISFACTION
30
Years of Experience

We are a 30 years Old Company. Started with trading of Flexible Metallic Hoses. After gaining first hand experience in the trading field, we started our own welding shop to cater to customized orders of our valued customers.

We are not flexible on Quality and Customer Service.

Our Core Products

Metallic Expansion Joints (MEJ)

AA Expansion joints Pvt. Ltd offer all Type of Metal Expansion Joints (MEJ). Each Type Used for Different Applications, different process conditions like Air, Steam, Liquid etc, and It is maintenance free with internal sleeve, According to the Piping System.

MEJ can withstand Temperature, Pressure and Absorbs Movements.

Single Expansion Joint

This is a Basic Pipe Expansion joints, with single bellow elements, and End fitting designed mostly for Axial Movements.

Universal Expansion Joint

This type of MEJ consists of Two Set of Bellow Element Connected by Intermediate Center Pipe / Spool. It absorbs large amount of lateral movement in piping system.

Hinged Expansion Joint

This type of Expansion Joints are used for single plane bending movements it Oscillated with Hinges. Its absorbs Single plane Angular Movements.

Gimbal Expansion Joint

Gimbal Expansion Joints are mainly used for Angular movement in any plane.

Pressure Balanced

This type of bellow is applicable for combined movement of Axial, Lateral and Angular Rotation.

Rectangular Joints

Based on the piping system at Customer End customized Rectangular Expansion Joints can be designed.

We Offer MEJ of Circular, Rectangular, Hexagonal, and Octagonal Shapes based on Customer Requirements.

Customized solutions

Rectangular Expansion Joints

Based on the piping system at Customer End customized Rectangular Expansion Joints can be designed. It absorbs axial and lateral movements Based on the movements, single rectangular expansion joints and universal rectangular expansion joints can be used.

  • Rectangular Duct Expansion Joint With Camera Corner
  • Rectangular Expansion Joint With Rounded Corner
  • Rectangular Expansion With Double Mitered Corners
  • Rectangular Expansion With Single Mitered Corners

Corner type Single miter / double miter V profile and U profile are normally used for convolution.

Camera Corner
Rounded Corner
Double Miter
Single Miter

Rubber Bellow Expansion Joints

We are the pioneers in the industry for Designing and Supplying Rubber Expansion Joints, which find wide usage in petroleum and chemical industries for connecting expanding pipelines. These joints are solve anticipated problem. They reduce vibrations, shock abrasion stresses and noise in the piping system and are resistant to high temperature and pressure conditions.

Features

  • Low Spring rates
  • Greater movement per arch
  • Dimensionally accurate
  • Isolate vibration
  • Compensate misalignments

Specifications

  • Materials: Nitrile, Neoprene, Synthetic, EPDM and Natural Rubber
  • Size: Min 80mm to Max 1500mm NB
  • Pressure: Upto 24 bar (Upto 300 NB)

Product Range

Single spool wide arch, Multi Arch, wide arch, METAL Flange Type.

Steel Braided Hoses

We, at AA Expansion Joints Pvt. Ltd are highly involved in Assembling & Supplying of an exceptional assortment of SS Hose & Braid. The Stainless steel annular corrugated hose Products are providing the flexibility in piping system withstanding High Pressure & High Temperature applications.

Sizes: 1/4″ (DN6) to 12″ (DN 300).
Materials: ANSI 304, 316, 316L & SS 321 grade (BS 6501).
Braid: High Quality Braid (SS304, 316, 321) provided to avoid axial elongation under high pressure. Single or multiple layers available.

Advantages

  • Absorbs Vibration and Noise from Pumps, Compressors, Engines
  • Compensates Axial Movement (Thermal Expansion)
  • To connect Misaligned Pipes
  • Temp Range: -200°C to +750°C
  • Low Installation Cost & Replacement Time

Industries Used In

  • Power Plants
  • Oil Refineries
  • Chemical Industries
  • Pharmaceutical Industries
  • Ports & Ship yards
  • Lubrication Line in Machineries
Versatile Applications

Fabric Expansion Joints

Custom fabric solutions for duct systems. We design fabric expansion joints specifically optimized for low pressure and high temperature gas ducts. Available in a wide variety of specialized materials.

CONTACT

We'd love to hear from you. Send us a message and we'll respond as soon as possible.

Our Office

AA Expansion Joints Pvt. Ltd
67/42, Sembudoss Street,
(opposite to police booth), Broadway,
Chennai-600 001

Phone

+91 97908 82898
+91 98409 69789
+91 9962627553

Working Hours

Mon - Sat: 9:00 - 18:00