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TTV valves are designed and manufactured to comply with the most important international standards: API 609, BS 5155, EN 593, AWWA C504, JIS, PN6, PN10, PN16, PN25, PN40, Class 150, Class 300, Class 600, etc.

Every TTV valve is hydrostatically and bidirectionally tested according to ISO 5208 before shipping.

TTV has got a Quality Management System according to ISO 9001:2015 certified by Lloyd´s Register through regular audits, which assure the quality in every process from design to manufacturing of valves and from sales management to after sales service.

TTV guarantees valves for 2 years from delivery date.

TTV has got an after-sales service to deal with every issue that may occur. We offer to our clients the best possible solution according to every service´s need.



  • ISO 9001:2015 certificate by Lloyd´s Register
  • Pressure Equipment Directive 2014/68/UE, certified by Lloyd´s Register

To download the certificates please .