NDV Y-Shaped 3-Way Ball Valve
The NDV Y300 is a Y-shaped three-way ball valve designed for highly abrasive media such as powders and slurries, highly viscous fluids, pellets and pipeline-cleaning pigs. Its wide 135-degree flow path, fixed ball-and-stem construction and large-radius ball port minimize pressure loss, reduce wear and allow cleaning pigs or spheres to pass through the valve.
Manufacturer | Nippon Daiya Valve Co., Ltd. – NDV |
Product series | Y300 |
Valve type | Y-shaped three-way ball valve |
Manual model | Y300 |
Pneumatic model | YWN1300, double-acting |
Nominal size | DN25–DN300 |
Flow-path angle | 135° |
Body material – standard stainless steel | SCS13A/CF8 |
Optional stainless-steel materials | SCS14A or SCS16A |
Ductile-iron body option | FCD400, DN65 and larger |
Connection | Flanged |
JIS flange standard | JIS 10K, JIS B2220 |
ASME/JPI flange standard | Class 150, ASME B16.5 |
Standard seat | Reinforced PTFE |
Optional seats | SM semi-metal or ST metal |
Ball arrangement | Fixed ball and stem |
Ball-port curvature radius | At least 1.5 times the valve bore |
Seat loading | Cushion rubber for DN100; metal spring for DN125 and larger |
Shaft bearings | Specially reinforced PTFE |
Body purge connections | Two purge holes |
Suitable media | Powder, slurry, pellets, viscous fluids and cleaning pigs |
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