GBT 586 Marine Cast Steel Flanged Check Valves1. ApplicationGB/T586 Marine Cast Steel Perscriptio Valvae generaliter adhiberi potest in aqua dulci, oleum lubricante, cibus oleum et vapor cum temperatura minus quam 300 gradus.
GBT 589 Marine Bronze Flange Check Valves1. ApplicationGB/T589 Marine Bronze Perscriptio Valvae vulgo in navi aedificanda et reparanda adhibita sunt.
GBT 592 Marine Cast Iron Flanged Check Valves1. ApplicationGB/T584 Marine Cast Steel Stop Valvae adhiberi possunt in aqua dulci, oleum lubricante, oleum cibus etc.