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Part name | Material |
Valve body | Nodular graphite cast iron |
Butterfly board | Nodular graphite cast iron |
Conical pin | Stainless steel |
Valve stem | Martensitic stainless steel,carbon steel |
Rubber ring | Rubber |
Positioning disc | Stainless steel |
Handle | Carbon steel |
Nominal pressure(MPA) | PN16 |
Strength test pressure(MPA) | 6.4 |
Seal test pressure(MPA) | 3.2 |
Applicable medium | water,sewage |
Design standard | GB5135.6-2003 |
Test standard | GB5135.6-2003 |
Applicable temperature | -10 -80℃ |
DN | A | B | C | D | E | F | ||
mm | inch | |||||||
50 | 2" | 92 | 60 | 8 | 16 | 100 | 53 | |
65 | 2.5" | 102 | 76 | 8 | 16 | 108 | 61 | |
80 | 3" | 102 | 89 | 8 | 16 | 114 | 68 | |
100 | 4" | 116 | 114 | 10 | 16 | 136 | 85 | |
125 | 5" | 125 | 141 | 10 | 16 | 162 | 99 | |
150 | 6" | 125 | 165 | 10 | 16 | 174 | 111 | |
200 | 8" | 138 | 219 | 11 | 19 | 204 | 145 | |
250 | 10" | 159 | 273 | 13 | 19 | 230 | 190 | |
300 | 12" | 166 | 324 | 13 | 19 | 270 | 230 | |

















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