Our company promises all buyers of the first-class products and solutions as well as most satisfying post-sale support. We warmly welcome our regular and new shoppers to join us for Manufacturer of China Single Flange Double Flange DN150 DN200 DN250 DN300 Butterfly Valve for Sale, We always follow the principle of “Integrity, Efficiency, Innovation and Win-Win business”. Welcome to visit our site and tend not to be reluctant to communicate with us. Are you prepared? ? ? Allow us to go!!!
Our company promises all buyers of the first-class products and solutions as well as most satisfying post-sale support. We warmly welcome our regular and new shoppers to join us for butterfly valve dn250, China Butterfly Valve, Valve, Welcome any of your inquiries and concerns for our items. We look forward to establishing a long-term business relationship with you in the near future. Contact us today. We have been the first business partner in your case!
Features:
1.rapid installation, sinnple, safe, nefiable, easy to install without space restrictions
2.pipeline and valve maintenance
3.has overcome the pipeline connecting different axis caused imitation, solve the temperature generated the advantages of thermal expansion and contraction
Technical data
(MPa) Nominal pressure |
PN16 |
Design standard |
GB 5135.6-2003 |
(MPa) Strength test pressure |
6.4 |
Test standard |
GB 5135.6-2003 |
(MPa) Seal test pressure |
3.2 |
Applicable temperature |
-10-80°C |
Applicable medium |
Water.oil.gas.non corrosive media |
Material of main parts
No. |
Part name |
Material |
No. |
Part name |
Material |
1 |
Valve body |
Ductile iron |
5 |
Rubber ring |
Rubber |
2 |
Butterfly disc |
Ductile iron |
6 |
Positioning disc |
Stainless steel |
3 |
Conical pin |
Stainless steel |
7 |
Handle |
Carbon steel |
4 |
Valve stem |
Martensitic stainless steel,carbon steel |
|
|
Main dimensions
DN | A | B | C | D | E | F | |
mm | inch | ||||||
50 | 2″ | 92 | 60 | 8 | 16 | 100 | 53 |
65 | 21/2″ | 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 |
Qualification certificate
Exhibition
Our valves received a lot of attention at the Dubai show.
Factory