"VS-T is one of the most innovative companies in the Valve Industry" About us VS-T prides itself in providing innovative solutions and thinking out-of-the-box. With more than 25 years of combined experience, and our well-equipped workshop, we offer more than just service by providing (fugitive emisson) upgrades and modifications to improve lifetime and reduce downtime on each type of valve application. Fast track valve manufacturing in 2-8 weeks delivery