Control valves type Z33 (previous name: BR33) represent one of the valve designs, where change in flow ratio is achieved through an eccentrically set rotary plug.
Such structures are particularly useful for control of flow under heavy-duty conditions, with high probability of cavitation and erosion.
Possibility of obtaining high flows and a wide range of material and design variants make them ideal for application in many branches of industry, such as power generation, mining, metallurgy, chemical and petroleum industry, food industry, paper industry etc.
We can adjust the control valve to match your individual needs.
|Nominal sizes||DN25; 40; 50; 80; 100; 150; 200; 250; 300; 400; 450|
|Nominal pressure||• PN 10, 16, 25, 40, 63 • CL150; CL300|
|Flow ratio||3 ... 2160 m3/h|
|Control characteristics||linear, equal percentage|
|Leakage class||IV class acc. to PN-EN 60534-4 VI class acc. to PN-EN 60534-4 class from B to G acc. to PN-EN 12266-1|
|Media temperature||- 40 ... + 450°C|
|Body materials||carbon cast steel GP 240 GH (1.0619), WCB carbon cast steel for low temperatures G20Mn5 (1.6220) acid-resistant cast steel GX5CrNiMo 19-11-2 (1.4408), CF8M. Use of other materials is possible, but must be agreed upon.|
|Non-catalogue products||We can adjust these parameters to your individual needs. In such cases, please contact our technical support specialist. In the menu: “Non-catalogue version control valves” and “New products” we present the following examples.|
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