Emerson Authorized Service Provider
Isolation valve repair (gate, ball, butterfly, globe)
TTS repairs and maintains isolation / on-off valves — gate, ball, butterfly and globe valves for the Oil & Gas and Refining – Petrochemical industries. Services include seat lapping, seat/seal replacement, API 598 testing and actuator overhaul at the Vung Tau workshop.
Updated June 2026
Service scope
- Sealing-face lapping
- Seat, seal and gasket replacement
- Body & seat tightness testing per API 598
- Actuator & gearbox overhaul
- Cleaning, blasting and protective coating
Brands serviced
KTM, Vanessa, Virgo, Keystone (Emerson), Velan
Standards & notes
- Per API 598 / API 6D standards
- Hydrotest with recorded results
- Surface refurbishment & protective coating
Frequently asked questions
How is a seized or leaking gate/ball valve handled?+
We disassemble, inspect, lap or replace the seat/seal, test tightness per API 598, then hand over.
Is a hydrotest performed after repair?+
Yes. Every isolation valve has its body and seat tightness tested to standard before acceptance.
Does TTS repair large butterfly/globe valves?+
Yes. The Vung Tau workshop has cranes and machining areas for large-bore valves.
Need service for this valve type?
Contact the TTS Vung Tau workshop for consultation and a quote.