DIN F4 PN16 DN80 GGG40.3 Cast iron Non rising stem metal seat gate valve TECHNICAL REQUIREMENT : DESCRIPTION: Iron body gate valve with Rg5 trim. Non rising stem with open/close indicator and bolted bonnet. Raised face flanged. Short F4 type. Design STANDARD: DIN EN 1171 (DIN 3352 T2)- with indicato......