超流阀 EXCESS FLOW CHECK VALVES是一种安全保护阀,主要采锥型用密封面,弹簧控制流量,利用介质的流速推力控制管道上流量。当安装管道上流量压力超过弹簧设定压力自动关闭,自动开启时进口介质通过阀蕊上的小孔导流,两端压力平衡后弹簧自动收缩阀门开启。使用于油品、液化气、液氨、气氨等非腐蚀性介质。在管道内介质流速...
166型过流阀 Excess FLow Valves也称超流阀,适用于流体管道的流量超过设计额定值时,流体管道自动关闭,并且在管道二边衡压后将自动重新打开。产品型号:厂商性质:生产厂家更新时间:2024-07-30访 问 量:4994立即咨询 联系电话:021-57566219产品详情 品牌 其他品牌加工定制 是 连接形式 法兰材质 碳钢,不锈钢 适用介质...
An excess flow valve (EFV) for installation in a service line of natural gas distribution system serving an existing structure. The EFV has a cylindrical housing having a first length and a second length and a through hole therethrough for passage of gas. The EFV 11 engaged in the through ...
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The Eclipse Inline Excess Flow Valve is a safety device designed to limit the release of liquids or gases from a pressurized system in the event of a failure such as a burst hose or fitting. The valve is normally open and will close when the flow rate rises above the setpoint. The simpl...
Excess flow valves are normally open, in-line safety devices that act to limit the flow of liquids or gases out of a pressurized system.
系统标签: valves flow 石油气 流阀 mnpt 液化 45ExcessFlowValvesExcessFlowValves-GeneralInformationExcessFlowValves-InstallationExcessFlowValves-ExampleInstallationsExcess owvalvespermitthe owofliquidorvaporineitherdirection.The owisonlycontrolledinonedirection(thedirectionofthearrowstampedonthevalve).Ifthe owinthat...
Excess Flow Valves ENSTAR is required by federal regulation to install an Excess Flow Valve (EFV) or a manual service line shut-off valve on all new or replaced natural gas service lines. An EFV is a safety device inside the service line that shuts off the flow of natural gas in the ...
Maxitrol patented damper function (DN 15 — 25) can avoid a nuisance shut-off in case of flow peaks. SENTRY GS for Gas Service Lines Excess flow valves are preferably installed in the branch line off the main gas line and in the gas service line.The SENTRY GS for underground service...
Excess Flow Valves Customers Have the Right to Request an Excess Flow Valve An excess flow valve, or EFV, is a device that automatically restricts the flow of natural gas if an underground pipe is broken. It’s installed on the service line that runs underground between the NJNG natural gas...