Technical parameters of groove type non rising stem elastic seat sealing gate valve
Nominal diameter | Nominal pressure£¨MPa£© | Sealing test£¨MPa£© | Shell test pressure£¨MPa£© | Medium temperature | Applicable medium |
DN50~DN300 | 1.0/1.6 | 1.1/1.76 | 1.5/2.4 | 0~70¡æ | Clean water, sewage and raw water |
Material of main parts
name | valve body | spool | Valve core rubber | Valve cover | Stem | snap ring | Gland | Bracket | seal ring | handwheel | Bolt |
texture of material | Ductile iron | Ductile iron | EPDM¡¢NBR | Ductile iron | 20Cr13 | bronze | Ductile iron | Ductile iron | NBR Ductile iron | Ductile iron | 8.8 Galvanized |
Main connection dimensions mm
Nominal diameter | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | ||
D | 57 | 60 | 76 | 89 | 108 | 114 | 133 | 159 | 219 | 273 | 325 |
140 | 165 | ||||||||||
A | 14.5 | 14.5 | 14.5 | 16 | 16 | 16 | 19 | 19 | 19 | ||
B | 9.5 | 9.5 | 9.5 | 9.5 | 9.5 | 9.5 | 13 | 13 | 13 | ||
C | 2.2 | 2.2 | 2.2 | 2.2 | 2.2 | 2.2 | 2.5 | 2.5 | 3.3 | ||
L | 145 | 180 | 180 | 180 | 200 | 240 | 275 | 325 | 355 | ||
H | 325 | 422 | 422 | 422 |