Industrial valve repair services
Toan Thang (TTE/TTS) provides industrial valve repair, overhaul, maintenance and calibration for the Oil & Gas, Refining – Petrochemical and Power industries in Vietnam. As an Emerson Authorized Service Provider (ASP), with a workshop network in Vung Tau, Ho Chi Minh City and Quang Ngai.
Updated June 2026
Valve types we service
Control valves
Overhaul, calibration, repair — Fisher (Emerson), Metso, Masoneilan, Pentair.
View detailsSafety / relief valves (PSV)
Testing, set-pressure adjustment, repair — Crosby, Anderson Greenwood, Yarway.
View detailsIsolation / on-off valves
Gate, ball, butterfly, globe valves — KTM, Vanessa, Virgo, Keystone.
View detailsCheck valves
Inspection, refurbishment and parts replacement for all check valve types.
View detailsService process
- 1Intake & valve condition inspection
- 2Damage assessment and work plan
- 3Disassembly, refurbishment / parts replacement
- 4Testing & calibration to standard
- 5Acceptance & handover with documentation
Service workshop network
Ho Chi Minh City
Head office (TTE)
Quang Ngai (CSC)
Seal workshop — Flowserve CSC
Frequently asked questions
Where does Toan Thang repair industrial valves?+
Toan Thang operates a workshop network in Ho Chi Minh City (TTE head office), Vung Tau (TTS valve workshop — Emerson ASP) and Quang Ngai (CSC seal workshop — Flowserve), serving customers nationwide.
Which valve brands are supported?+
We service Emerson lines (Fisher, Crosby, Anderson Greenwood, Yarway, Vanessa, KTM, Virgo, Keystone…) along with other common industrial valve brands such as Metso, Masoneilan and Pentair.
What quality standards does the service follow?+
We operate under an ISO 9001:2015 Quality Management System, and are an Emerson Authorized Service Provider (ASP) and a Flowserve Certified Seals Center (CSC).
Do you offer on-site valve overhaul?+
Yes. We perform both in-workshop repair and on-site valve inspection, overhaul and troubleshooting at the customer location.
Need valve service advice?
Contact the Toan Thang technical team for consultation and a quote.


