Measurement of fluid flow by means of orifice plates, nozzles and venturi tubes inserted in circular cross-section conduits running full (VDI-rules for measurement of fluid)— 62 стр.
Flow measurement; orifice plates for insertion between flanges, nominal diameter 10 to 400, nominal pressure 10 to 100; sealing surface projection and recess— 3 стр.
Flow measurement; orifice plates for insertion between flanges, nominal diameter 10 to 400, nominal pressure 10 to 100; sealing surface projection and recess— 3 стр.