| DOUBLE BLOCK BALL VALVE |
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 Double Block Ball Valve |
| Pressure Rate:Class150LB-1500lb |
| Size:DN15-DN1200,1/2"-48" |
| Design: API,DIN,BS,GB,JIS |
| Material:ASTM A216-WCB,A105,WCA,WCC,WC6,WC9,C5,,A351 CF8,CF8M |
| CF3M,MONEL,WCB,CK20,CN7M,Cu5MCuC,M35-1 |
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| Double Block Ball Valve is make up by two ball valve and one neddle valve or two ball valve and a globe valve |
| Double Block ball valve have evolved to replace and add the process of bolting together individual valves to make the valves in one body. |
| It saved a lot of space and meterial, it is the development tendency of the valve in the future. |
| These new assembly of the double block ball valve provides great savings in weight, space and installation times especially in cage isolation. |
| These savings can be as much as 70% in weight and shown that it can saving 70% installation time on the projects. However the greatest |
| Savings , therefore reducing the risk of the potential hazards this entails such as leak or insecure. |
| High temperature,shock and uneven opening or closing of the torque all can't induce external leakage. |
| Dual ball is a necessary requirement when maintenance is taking place down stream of the first isolation valve. |
| These double bllock ball valve have also evolved to encompass the function of chemical analysis and mechanical character. Cavity venting |
| Is provided by either two balls or globe OS&Y vent relief valve so that the pressure between the two isolation valves can be safely vented. |
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