DEPLOYDatabase

Robot model

SR-3

Square Robot's SR-3 is an autonomous submersible robot that inspects the floors of in-service aboveground storage tanks containing volatile products, using…

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Manufacturer
Square Robot
Form factor
subsea
Lifecycle
active

Verified profile

  • 1

    Sources on record

  • 0

    Tracked changes

  • Updated recently

    Last verified change

Overview

Square Robot's SR-3 is an autonomous submersible robot that inspects the floors of in-service aboveground storage tanks containing volatile products, using phased-array ultrasonic testing (PAUT) to achieve up to ~90% floor coverage to API 653 / EEMUA 159 standards. FM-approved for Class I, Division 2.

Verified vs. claimed

Verified deployments
None on file
Sources on file
1 source, view all

Safety record

No incidents on record for SR-3.

Only active incidents are counted. Retracted incidents are excluded from this summary but remain reachable at their canonical URLs.

Sources (1)

  1. https://squarerobot.com/robotic-tank-inspection-for-volatile-products/

Common questions

What is SR-3?
Square Robot's SR-3 is an autonomous submersible robot that inspects the floors of in-service aboveground storage tanks containing volatile products, using phased-array ultrasonic testing (PAUT) to achieve up to ~90% floor coverage to API 653 / EEMUA 159 standards. FM-approved for Class I, Division 2.
Who makes SR-3?
SR-3 is made by Square Robot, based in Boston, MA.
Where is SR-3 deployed?
No verified deployments of SR-3 are currently on the DEPLOY registry. DEPLOY records deployments only when verified at a named site with a primary source; absence may reflect pre-deployment, research, or manufacturer-internal use.
Is SR-3 safe?
SR-3 has no incidents on record in the DEPLOY registry. This does not constitute a safety guarantee; it reflects the incidents DEPLOY has tracked and verified to date.
Methodology: Verified · 1 source (no primary) · last reviewed 2026-06-28

Verification posture

Verified

Low confidence

Review state

Stable

Last reviewed 2026-06-28

Maturity + lifecycle

Lifecycle: active

Architectural position

Cohort: subsea

Sources by quality tier

1
unclassified
Unclassified source

The framework is documented at /methodology. Corrections at /corrections. Reviewer: DEPLOY editorial team.

Methodology surface for SR-3.