The disc's shutoff stroke is very short and under the effect of the spring, the valve can close quickly and prevent the big noise from water-hammering. 由于阀瓣的关闭行程缩短及弹簧作用可加速关闭效果,减少水锤及水击声。
Slightly open shutoff valve No.1 and allow water to fill the tube to the top then close No.1 shutoff. 稍微开启关闭阀1号,将水注入管子直到顶部为止,然后关闭1号关闭阀。
Effects of closure delay for ESD valve on leaking process of natural gas pipeline fuel jettison shutoff valve 紧急关断阀关断延迟对天然气管道泄漏过程的影响
The shutoff valve with the test cock is to be mounted on the inlet side of the backflow preventer. 带测试旋塞的关闭阀安装在防回流阀的进口一侧。
Remove bypass hose from test cock No. 1, open shutoff valve No. 1. 从测试旋塞1号上拆卸旁路软管,开启1号关闭阀。
Insulate Your Assets-Shut off the water supply to the irrigation system and protect the main shutoff valve against freezing. 绝缘您的资产,切断水供应,灌溉系统和保护对冻结的主要截止阀。
NOTE: For Australia and New Zealand: Pipeline strainers should be installed between the upstream shutoff valve and the inlet of the backflow preventer. 注意:适用于澳大利亚和新西兰:管路过滤器应该安装在上游关闭阀和防回流阀进口之间。
The test cock is on the inlet side of the shutoff valve. 测试旋塞位于关闭阀的进口一侧上。
Gate valves are the most commonly used shutoff valve in the industry today. 如今行业内,闸阀最常用作关闭阀,用于要求压降最小,能够双向启闭的应用场合。
Hazard is if the main shutoff valve is "stuck", these valves may add another level of isolation. 如果主关闭阀卡住就有危险,这些阀有可能会增加另一程度的隔离。
Purpose: to test shutoff valve No.2 for tightness. 目的:检测2号关闭阀的密封性。
The Bi-Directional Knife Gate Valve provides bubble tight shutoff in both directions up to full rating of the valve. 这种双向刀闸阀在阀门压力等级下,任何方向均可实现气泡级密封关闭功能。
Close shutoff valves and open test cocks No. 2, 3 and 4 to relieve pressure from the body of the valve. 关闭关闭阀,并开启测试旋塞2号、3号和4号,释放阀体内压力。
Remove all test equipment and open No. 2 shutoff valve of the device. 拆卸所有检测设备,开启装置上的2号关闭阀。
The design of the helium circulator involves the overall construction, the impeller type, the cooling system, the bearings, the instrumentation, the electrical penetrations, and the shutoff valve. 针对反应堆的特殊要求,主氦循环风机的设计包括总体结构、叶轮型式、冷却系统、轴承、测量仪表、电气贯穿件和隔断阀。
Development of Gas Control Shutoff Valve on the Edible Liquid Pipeline 食用液体管道气控截止阀的研制