DJ661F, DJ661Y pneumatic cut-off valve and ball valve in low temperature difference is bigger, we can distinguish from the function to go up and ball valve and DJ661F different role, DJ661Y pneumatic cut-off valve at low temperature, can also from the ball Industrial Valves and DJ661F, distinguish DJ661Y pneumatic cut-off valve structure at low temperature. 【 Functional difference between 】 DJ661F, DJ661Y pneumatic cut-off valve is suitable for low temperature storage tank at low temperature on cut off circulation medium, especially in the event of a fire failure can cut off the medium in a timely manner. Widely used in LNG, ethylene and other low temperature liquid medium, has small volume, light weight, reliable sealing, reliable emergency stop quickly and anti-static characteristics. Ball valve and DJ661F DJ661Y pneumatic cut-off Industrial Valves in low temperature difference is bigger, ball valve, 球阀) Opening and closing is a sphere, driven by the valve stem, and for ball valve axis rotate 90 & deg; Open or closed. Can also be used on regulation and control of fluid, mainly used for cutting in line, distribution, and change the flow direction of medium, good sealing, convenient operation, opening and closing fast, simple structure, small volume, small resistance, light weight, etc. 【 Physical difference between 】 DJ661F, DJ661Y pneumatic cut-off valve ball valve at low temperature Summary 】 DJ661F, DJ661Y pneumatic cut-off Industrial Valves and ball valve in low temperature difference on and use function, are quite different in application, in the selection of a certain need to pay special attention to diameter, pressure, material and use of media, whether at design time, or in the purchase, must be in strict accordance with the relevant technical requirements.
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Unlike the resilient seal gate valve, the is more flexibly used in accasions where resilient valve .