Infrastructure & Capabilities

PAT has extensive product range which requires efficient infrastructure and accreditation.

Engineering & Design

  • Design and development has been core strength of PAT since inception. PAT has always been keen to take step change to upgrade designing capabilities. PAT has been member of HTRI since 1992.
  • PAT has adequate facilities to perform Thermal design, Mechanical design and Analysis of parts.

Thermal Design

HTRI Exchanger Suite 8

Mechanical Design

PV Elite 2018
AutoPIPE – Bently(Microprotol)
Code Cal


FE Pipe / Nozzle PRO
STAAD Analysis for Structures

3D Modeling

Creo for 3D Modeling

Codes & Standards

  • ASME Sec. I, III, VIII Div - 1 & Div - 2
  • TEMA
  • HEI
  • API-660, API-661, API-650, API-510
  • IS-4503
  • BS-5500
  • IBR
  • GOST/TR CU - Russia
  • DOSH - Malaysia
  • PED / CE - Europe
  • AD-2000 Merkblatt HPO

Manufacturing & Quality

  • At PAT, we have established our excellence across the various spheres of manufacturing in an area of 77,900 m2 (33,400 m2 - Rakanpur Works & 44,500 m2 - Kadi Works). Our state-of-the-art manufacturing facility is well equipped. PAT management has always invested in betterment of infrastructure with best of industry machinery and the saga lead us towards the supreme.
  • PAT has versatile range of process equipments which required set of adequate machineries. We are capable enough to manufacture equipments from 10MT to 300MT.

Glimpse of manufacturing facility

  • Heavy Lifting Capacity to handle equipment upto 300MT.
  • Rolling facility to roll plate upto 110mm thickness.
  • Deep Hole Drilling (CNC) facility to drill upto 1,000 mm thickness.
  • Machining Centre (CNC) facility to handle all machining operation at single stop.
  • Cutting facility (CNC) to cut upto 300mm thickness of plate.
  • Strip Overlay Machine capable to handle 3,000mm Diameter and 90mm width of strip.
  • Finning machines capable to handle extruded fin, 'G'-Imbedded, 'L'-Wrap on, 'LL'-Overlapped Footed Fin, 'KL'-Knurled Footed Fin upto 30,000mm Length and finning of 5000+ meter a day.
  • Hydraulic tube expansion facility for complete tube expansion and tube to tubesheet joint expansion.
  • Heat Treatment Furnace of 5m X 5m X 16m. Modular furnace been used for larger equipment.

Talented Workforce

Apart from the machines and years of experience, our human resources help us execute projects and ensure smooth operations. Our team consists of engineers, technicians, quality assurance executives and other skilled and unskilled workforce. Their strong dedication and commitment has ensured our success and constant progress. On our part we regularly undertake training initiatives for our employees to enhance their horizons and sharpen their skills.


Quality and reliability are the backbone of PAT. First-Class workmanship is ensured at every stage of manufacturing.

Inspection and Testing facility

PAT has all latest methodology and instruments for mechanical and non-destructive examinations in-house.

  • Ultrasonic Test Examination
  • Radiography Test Examination
  • Penetrant Test Examination
  • Hardness Testing
  • Temperature Measurement
  • PMI Testing Metal Analyzer
  • Ferrite Content Testing in Weld / Parent
  • Surface Roughness Profile Checking Instrument
  • Ultrasonic Thickness Instrument
  • Dry Film Thickness Measurement of Paint
  • Helium Leak Testing
  • Pneumatic Testing
  • Hydraulic Testing
  • Air-Flow Measurement
  • RPM (Fan / Motor) Measurement
  • Sound Level Measurement
  • Vibration Level Measurement
  • Balancing Checking (Rotor)

Stringent Quality Checkpoints

Strict quality checks are done at each level of production process. All components, bought-outs and raw material are checked for cracks, tensile strength and chemical composition as and when required. Measuring instruments are calibrated as per the systems and procedure manual for ISO 9001.

Plate Rolling
CNC Deep Hole Drilling
CNC Cutting
CNC Drilling & Machining Centre
Orbital Welding
Strip Cladding
Finning Machines
Heat Treatment Furnace

Welding & Metallurgy

PAT has over 1000+ qualified welding procedures for various welding metallurgies and process. In corporate tenure of more than 46 years PAT has supplied over 10,500+ process equipments. Which lead PAT to vast experienced over different metallurgies. PAT has handy experience of handling and welding in ferrous and non-ferrous materials. For the advancement of welding PAT has invested a lot in technology welding equipments.

Welding facility

  • Qualifications of numerous welding procedures for ferrous and non-ferrous material till sufficient range of material thickness.
  • Sufficient equipments for SAW, SMAW, TIG and MIG processes.
  • Strip Overlay Machine capable to handle 3,000mm Diameter and 90mm width of strip.
  • Orbital machine for welding of tube to tubesheet joint welding machine.


Carbon Steel - CS

Fine - grain Steel / Normalized
High strenght - CS (QH)

Low Alloy Steels - LAS

0.5 Mo
1 Cr - 0.5 Mo
1.25 Cr - 0.5 Mo
2.25 Cr - 1 Mo
9 Cr - 1 Mo

Stainless Steel - SS

Ferritic & Martensitic Steels
Austenitic Steel
Super Austenitic Steel
Duplex / Super Duplex / Hyper Duplex
Urea Grade Steel

High Alloys

Ti - Gr. I / Gr. II
Inconel 600 / 625 / 800 / 825
Monel 400
Hastelloy C-276
Cu-Ni 90/10
Cu-Ni 70/30
Admirality / Naval Brass

N. G. PATELGujarat The Inspiring EDGE