STANDARDS & COMPLIANCE

CERTIFIED. TESTED. TRUSTED.

Every Tegra radiator is backed by independent type-test certification from ERDA Vadodara — giving transformer manufacturers and utilities the assurance they need at the point of procurement.

IEEMA 9 - 1990 ERDA TYPE TESTED IS 1239 PT. 1 IS 8501 IEEMA TR 25 - DC

PRIMARY STANDARD

IEEMA 9 – 1990

TESTING AUTHORITY

ERDA, Vadodara

REPORT NUMBER

RP-2021-012782

TEST DATE

September 2020

Type Test Certificate
PRIMARY CERTIFICATION

IEEMA 9 – 1990
TYPE TEST

The most important certification for any pressed steel radiator manufacturer. IEEMA 9 – 1990 is the Indian Electrical & Electronics Manufacturers' Association standard governing pressed steel radiators for transformers. Tegra's products have been fully type-tested to this standard — independently witnessed and certified by ERDA, Vadodara.

STANDARD
IEEMA 9 – 1990
Pressed Steel Radiators for Transformers
TESTING BODY
Electrical Research & Development Association (ERDA)
Makarpura Industrial Estate, Vadodara
REPORT NO.
RP-2021-012782
TEST DATES
10–11 Sep 2020 & 14–15 Sep 2020
SAMPLE ID
TE-PV-01
Pressed Steel Flanged Type Transformer Radiator [1 No.]
DRAWING NO.
4T-TS-01
WITNESS
Mr. Vijay Ahire, Asst. Engineer — ERDA
Mr. T A Francis, Technical Head — Tegra Engineers
INSTRUMENTS
NABL Accredited Laboratory instruments
Customer's calibrated instruments used on-site
RESULT
Conforms to all test requirements ✓
Amended GST Registration Certificate
STATUTORY CERTIFICATION

GST REGISTRATION
CERTIFICATE

Tegra Engineers Private Limited is registered under the Goods and Services Tax (GST) regime in India, confirming the legal standing of the company to conduct business and issue tax invoices nationwide. This amended certificate (Form GST REG-06) reflects the current registration details on record with the jurisdictional GST authority.

GSTIN
24AAGCT3368R1ZN
Regular Taxpayer Registration
LEGAL NAME
Tegra Engineers Private Limited
Private Limited Company
PRINCIPAL PLACE
RS No. 213, Plot No 1, Patel Estate, POR GIDC Road, Ramangamdi
Vadodara, Gujarat – 391234
VALIDITY
18 Apr 2018 – Ongoing
No expiry on regular registration
DIRECTORS
Pradeep Francis Thaiparambil, Pramod Francis Thaiparambil
Whole-time Directors, Gujarat
ADDL. PLACES
0
ISSUED
19 Jul 2019
Amended registration certificate
STATUS
Active — Conforms to Form GST REG-06 ✓
APPLICABLE STANDARDS

ALL STANDARDS
WE CONFORM TO

IEEMA 9

Type Tested

IEEMA 9 – 1990

Indian Electrical & Electronics Manufacturers' Association standard for pressed steel radiators used in oil-immersed transformers. Tegra's primary certification.

  • Dimensional verification of radiators
  • Vacuum test for structural integrity
  • Leak proofness at 2 kg/cm²
  • Paint peel test per IEEMA TR 25-DC

IS 1239

Material Standard

IS 1239 Part 1

Indian Standard for mild steel tubes (ERW) used for general engineering purposes — governs the 80 NB ERW header pipes used in all Tegra radiators.

  • 80 NB ERW header pipe specification
  • 2 mm wall thickness requirement
  • Mechanical properties of ERW tube
  • Dimensional tolerances for pipe

IS 8501

Surface Standard

IS 8501 / SIS 05 5900

International standard for preparation of steel substrates before application of paints and related products — defines the SA 2½ blast cleanliness grade Tegra achieves.

  • SA 2½ grit blast surface cleanliness
  • Defined anchor profile for paint adhesion
  • Degreasing and surface prep procedures
  • Equivalent to SIS 05 5900

IEEMA TR25

Handling Standard

IEEMA TR 25 – DC (2015)

IEEMA technical recommendation for design and positioning of lifting lugs on transformer radiators — ensures safe handling during installation and maintenance.

  • Lifting lug design requirements
  • 1 lug for radiators up to 17 sections
  • 2 lugs for radiators above 17 sections
  • Paint peel test methodology

IS 513

Material Standard

IS 513 — CRCA Steel

Indian Standard for cold reduced low carbon steel sheets and strips — governs the Grade D CRCA steel used for Tegra's pressed fin panels. JSW, Essar, and Tata Steel material complies.

  • Grade D CRCA specification
  • 1 mm and 1.2 mm strip thickness
  • Mechanical and chemical composition
  • Surface finish requirements

NABL LAB

Accreditation

NABL Accredited Testing

All type tests conducted using NABL (National Accreditation Board for Testing and Calibration Laboratories) accredited instruments — ensuring traceability and international recognition of test results.

  • NABL accredited calibrated instruments
  • Testing conducted at customer's site
  • Independent witness from ERDA
  • Full traceability of measurements

READY TO WORK
WITH US?

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