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product drawing
Main performance and specifications
| workingtemperature | applicablemedium |
| ≤85℃ | air,water |
Note: This is our company based-type products suitable temperature, if you have different requirement, please refer to the previous page shows for selection
The materials of main parts
| name | materials |
| body | casr iron,stainless steel,ductile iron |
| bonnet | cast iron |
| disc | cast iron |
| handwheel | cast iron |
| diaphragm | Natural rubber, ethylene-propylene rubber,etc. |
| stem | carbon steel |
Main external and connection dimensionsmm）
| nominal diameter | nominal pressure /MPa | working pressure /MPa | L | SW | b | H | Do | weight / | |
| DN | G/in | ||||||||
| 8 | 1/4 | 1.6 | 1.6 | 50 | 20 | 66 | 45 | 0.6 | |
| 10 | 3/8 | 50 | 24 | 70 | 45 | 0.7 | |||
| 15 | 1/2 | 65 | 38 | 8 | 95 | 50 | 0.8 | ||
| 20 | 3/4 | 85 | 40 | 12 | 105 | 50 | 1.1 | ||
| 25 | 1 | 110 | 48 | 18 | 122 | 66 | 1.9 | ||
| 32 | 1 1/4 | 120 | 58 | 18 | 148 | 96 | 3.3 | ||
| 40 | 1 1/2 | 140 | 69 | 18 | 155 | 96 | 4.2 | ||
| 50 | 2 | 165 | 82 | 20 | 183 | 96 | 5.8 | ||
| 65 | 2 1/2 | 1.0 | 203 | 90 | 30 | 188 | 165 | 9.5 | |
| 80 | 3 | 254 | 105 | 32 | 210 | 230 | 16.2 | ||
implement standarddesign and manufacture：GB12239face to face dimension：GB/T15188.3（N8）
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