The pre-opening sleeve control valve adopts a pilot structure, featuring an S-shaped flow path. It boasts compact design, sensitive action, large valve capacity, excellent flow characteristics, and convenient maintenance, making it suitable for demanding working conditions. It is particularly suitable for regulating and cutting off applications involving large diameters, high temperatures, and high pressures.
Body Construction
Standard specifications
Type | Pre-inlet cage control valve |
Body Size | DN65~DN450 (2-1/2~18) |
Body Ratings | PN16, 25, 40, 64, 100, 160, 250, 320, 420; ANSI Class 150 , 300 , 600, 900, 1500 , 2500 |
Body & Bonnet Material | WCB, CF8, CF8M, CF3, CF3M, WC1, WC6, WC9, LCB, LCC, LC3… |
Packing | V-PTFE/ Flexible graphite |
Grommet | GRAP+304. GRAP+316, PTFE |
Painting Color | Brown paint/ No painting on stainless steel valve body/ silver paint... |
Note: The above are only standard combinations, and specifications outside of this table are also possible depending on the operating conditions.
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