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Production Introduction
The special double ball valve is a valve with a circular passage as a starting andclosing member, and the ball rotates with the valve stem to realize the openingand closing action. The opening and closing member of the special double ballvalve is a holed ball that rotates around an axis perpendicular to the passageto achieve the purpose of opening and closing the passage. Ball valves areprimarily used to open and close pipes and equipment media. Special double ballvalves can be widely used in petrochemical, metallurgy, thermoelectric,pharmaceutical, gas, electromechanical, aviation and many other industries.
Production Design Specification
Design&Manufacture：ASME B16.34；
End to end：In accordance with the requirements ofmanufacturer or user.
End Connection：ASME B16.25；ASME B16.11；ASMEB1.20.1
Inspection and Test ：API 598；ASME B16.104
Product Features
Interacting two-valve structure to prevent misoperation and double insurance function
The special limit structure prevents the valve stem from rotating over the head andimproves the reliability of the valve
Quick and easy opening and closing, low fluid resistance
The utility model has the advantages of simple structure,relatively small volume, light weight and convenient maintenance
Good sealing performance
No vibration, low noise
Combination Of Material
Body | Ball | Stem | Seat ring(soft) | Seat ring(hard) | Packing |
A105 F304 F316 F321 F304L F316L | F304 F316 F321 F304L F316L | F6a F304 F316 F321 F304L F316L 17-4PH | PTFE RPEFE PPL PEEK | SS+STL | PTFE |
Product Range
Nominal Size：1/8"~2"(DN6~DN50)
Pressure Rating：ANSI / ASME 150LB~2500LB(PN16~420Mpa)
Suitable Temperature：-29~538℃
Operation：Hand wheel
URL : http://rhqywdz.cn
Tel : 021-67226688
Contact : Mr Cai
Contact address : No. 855, Yuegong Road, Jinshan Industrial Zone, Shanghai
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