... Standard and stable material Die casting Valve Body( used in ships,marine,tractors)1. Standard or Nonstandard: Non-standard 2. Structure ... UL 13. Dimension As per requirement1) Product name: Die casting Valve Parts used in ships,marine,tractors2) Materials: Cast ... Products covering hydraulic cylinders, pistons, flanges, valves parts, casting and forging parts, engineering goods, etc.5. Quality control ...