VB/ S Valve Insert 2″ 516 LPM OLS# 638291 October 3, 2022 / Valves 2.0 VB/ S Valve Insert 2" 516 LPM OLS# 638291 Product Details Additional Information Valve Model: GMV 3010 EN – 2? Flow Range: 516 LPM (136.3 GPM)