2. the face of gate disc so that they have high flexible, long lifetime and no leakage features, etc.
3. The bottom of the body designed no concave nest. So have lower flowing resistance and prevent valves leakage or damage from trash pipe up.
4. Spray paint in the body cavity. Using no corrosive and water rust for long term.
5. Installation is easily and fast mend on line get nearer true.
6. They are suitable for limited space and widespread for food, medicine, water supply and sewage engineer, building and fire areas , etc...
Main Performance Parameters:
Nominal Pressure PN （MPa） | 1.0 | 1.6 | |||
Suitable Temp ℃ | ≤120 | ≤120 | |||
Suitable Media | Water, oils, air and in corrosive | ||||
Materials of Main Parts: | Cast Iron , Bronze , Carbon Steel , Stainless steel , Rubber | ||||
Design Standard | GB/T 12232-2005 | Testing standard | GB/T 13927-1992 | ||
Nominal Diameter DN (mm) | L | D | D1 | n-d | D0 | H(≈) | |
Long Body | short Body | ||||||
50 | 178 | 150 | 165 | 125 | 4-18 | 165 | 320 |
65 | 190 | 170 | 185 | 145 | 4-18 | 185 | 360 |
80 | 203 | 180 | 200 | 160 | 8-18 | 200 | 390 |
100 | 229 | 190 | 220 | 180 | 8-18 | 220 | 450 |
125 | 254 | 200 | 250 | 210 | 8-18 | 250 | 490 |
150 | 267 | 210 | 285 | 240 | 8-22 | 285 | 560 |
200 | 292 | 230 | 340 | 295 | 8-22/12-22 | 340 | 660 |
250 | 330 | 250 | 395/405 | 350/355 | 12-22/12-26 | 395 | 760 |
300 | 356 | 270 | 445/460 | 400/410 | 12-22/12-26 | 445 | 850 |
350 | 381 | 290 | 505/520 | 460/470 | 16-22/16-26 | 450 | 950 |
400 | 406 | 310 | 565/580 | 515/525 | 16-28/16-30 | 450 | 1020 |