JIS 20K Ball Valve belongs to the first grade of the medium pressure level of the Japanese standard. It can be operated by handle, worm gear, pneumatic actuator, and electric actuator. The valve is assembled in two pieces, and the interior is a solid ball. Seat with upper flanged connection disc according to ISO 5211.
China JIS 20K Ball Valve Manufacturer
It is suitable for water, steam, oil and some pipelines with corrosive medium whose working temperature is less than or equal to 150℃, and is used to connect or cut off the medium in the pipeline.
Size: 15A-300A
Material: SCS13, SCS14, SCPH2
Operation mode: handle, worm gear, pneumatic, electric
Design Rating: JIS B2071.ASME B16.34;
Face to Face: JIS B2002;
Flanged Ends: JIS B2220;
Inspection & Testing: JIS B2003
stainless steel JIS 20K Flanged Ball Valve Structure Diagram
Flange JIS 20K Ball Valve Size Chart
| NPS | D1 | d | K | D | C | f | N-OZ | L | H | E |
| 15A | 15 | 51 | 70 | 95 | 14 | 1 | 4-15 | 140 | 79 | 120 |
| 20A | 20 | 56 | 75 | 100 | 16 | 1 | 4-15 | 152 | 82 | 120 |
| 25A | 25 | 67 | 90 | 125 | 16 | 1 | 4-19 | 165 | 109 | 150 |
| 32A | 32 | 76 | 100 | 135 | 18 | 2 | 4-19 | 178 | 113 | 150 |
| 40A | 38 | 81 | 105 | 140 | 18 | 2 | 4-19 | 190 | 143 | 230 |
| 50A | 50 | 96 | 120 | 155 | 18 | 2 | 8-19 | 216 | 151 | 255 |
| 65A | 65 | 116 | 140 | 175 | 20 | 2 | 8-19 | 241 | 176 | 280 |
| 80A | 78 | 132 | 160 | 200 | 22 | 2 | 8-23 | 283 | 209 | 350 |
| 100A | 98 | 160 | 185 | 225 | 24 | 2 | 8-23 | 305 | 228 | 350 |
| 125A | 125 | 195 | 225 | 270 | 26 | 2 | 8-25 | 381 | 316 | 630 |
| 150A | 150 | 230 | 260 | 305 | 28 | 2 | 12-25 | 403 | 353 | 830 |
| 200A | 200 | 275 | 305 | 350 | 30 | 2 | 12-25 | 502 | worm gear | worm gear |
| 250A | 250 | 345 | 380 | 430 | 34 | 2 | 12-27 | 568 | worm gear | worm gear |
| 300A | 300 | 395 | 430 | 480 | 36 | 3 | 16-27 | 648 | worm gear | worm gear |