OSA had special tool for test safety valve online. We called “Electronic Valve Tester / EVT” or customer known in Trevi Test.
OSA is the one who have tools and specialist team are recognized and certificated from Valve Manufacture in Thailand. The experience of working for more than 10 years. We had online test safety valve more than 1,000 EA.
Customer can be confident that we can serve you with a high standard and professional. This method customer can test valve while plant still full operate.

Customer can check and adjust to correct set pressure by online which safety, accuracy and economize. Suitable for

⦁ Customer who must test safety valve by department of industrial.
⦁ Customer who must test safety valve for Boiler Inspection.
⦁ ustomer who must test butt weld type of safety valve.

Moreover, we had lapping tools onsite in case that we found valve leak or passing we can immediately provide overhaul valve services.