1. Butterfly- VIT-BFG-300
2. Gate Valve-VIT-GTR-300
3. NRS GATE VALVE-VIT-GTN-300
4. SWING CHECK VALVE- VIT-SCF-300
5. STRAINERS Y-TYPE- VIT-YSF-300
6. GATE VALVE INDICATOR POSTS WALL & UNDERGROUND TYPE – VIT-IP-WT & VIT-IP-UG

Here the links to certificates:

PAC18006291 – Butterfly Valves – VIT-BFW-300
PAC18006302 – Butterfly Valves – VIT-BFG-300
PAC18006306 – Gate Valve – VIT-GTR-300
PAC18006310 – NRS GATE VALVE – VIT-GTN-300
PAC18006311 – Swing type Check Valve – VIT-SCF-300
PAC18006316 – Strainers Y-type VIT-YSF-300
PAC18006318 – Gate Valve Indicator Posts – Wall Type – VIT-IP-WT- Underground Type – VIT-IP-UG