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Management system certifications

Our quality, environmental and occupational health and safety management systems are independently certified.

ISO 9001:2015 certificate of Tirupati Industries

ISO 9001:2015

Quality management: how we design, make, calibrate, test and deliver every gauge.

Certificate no.
01 100 2637075
Certified by
TÜV Rheinland Cert GmbH
Issued
14 August 2026
Valid until
13 August 2029
Scope
Manufacture of pressure gauges, bimetallic temperature gauges and accessories

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ISO 14001:2015 certificate of Tirupati Industries

ISO 14001:2015

Environmental management: how we control waste, emissions and resource use.

Certificate no.
25MEEUC23
Certified by
Magnitude Management Services Pvt. Ltd.
Issued
15 September 2025
Valid until
14 September 2028
Scope
Manufacture of pressure gauges, bimetallic temperature gauges and accessories

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ISO 45001:2018 certificate of Tirupati Industries

ISO 45001:2018

Occupational health and safety management: how we keep our people safe at work.

Certificate no.
25MEOUV50
Certified by
Magnitude Management Services Pvt. Ltd.
Issued
15 September 2025
Valid until
14 September 2028
Scope
Manufacture of pressure gauges, bimetallic temperature gauges and accessories

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Product approvals in process

CE marking

Approval in process, for supply to markets that require CE-marked pressure instruments.

IBR (Indian Boiler Regulations)

Approval in process, for gauges used on boilers and steam lines that fall under IBR.

Standards we manufacture to

EN 837-1 and EN 837-3

Bourdon-tube, diaphragm and capsule pressure gauges.

ASME B40.100

Pressure gauges and gauge attachments.

IS 3624

Indian Standard for Bourdon tube pressure and vacuum gauges, for customers who specify BIS requirements.

Traceable calibration

Reference standards calibrated through an accredited laboratory, traceable to national standards.

Additional certifications and approvals

Other approvals, registrations and memberships.

  • NSIC: recognised by the National Small Industries Corporation, Government of India (since 2008).
  • EEPC India: recognised by the Engineering Export Promotion Council of India for engineering exports (2025).
  • CE and IBR: approvals in process.

Talk to the people who make the gauges

We reply to quote requests within 1 working day. Talk to us directly:

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