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- Sumo，Billiards，Golf，bowling，jumping over， hobbyhorse，. eurythmics，rope skipping，tug-of-war，check valve ball 对于“槌球戏,循环球戏”的解释如下：一种用长柄木槌击打木球并使其穿过一系列球门的户外游戏
- Knife gate valve ，gate valve, globe valve ，ball valve ,check valve, strainer, Jacketed Valve, forged steel valve,Flanges 刀型闸阀、煤气专用阀、一体式浆液阀、浆液阀、插板阀、闸门，
- pump check valve ball 止回阀球
- Check valve guiding shall be plastic to plastic. 止回阀引导装置应该是塑料对塑料。
- Remove check valve and valve seal from booster. 从倍力器上卸去逆止阀和阀门密封。
- Connect vacuum hose to booster check valve. 连接真空软管到增压器检测阀。
- To test for tightness of second check Valve. 检测第二止回阀的密封性。
- ANSI FLANGED SWING CHECK VALVE CLAS. 美标法兰止回阀。
- Reassemble the Check valve modules. 重新组装止回阀模块。
- Connect vacuum hose to booster check valve . 连接真空软管到增压器检测阀。
- Purpose: To test check valve No. 1 for tightness. 目的:检测止回阀1号的密封性。
- Sticky outlet check valve poppet. 1检查过滤的进水管线。
- CAUTION: The check valve spring is in compression. 警告：止回阀弹簧处于压缩状态。
- The pump adopts isodiametric plunger, and there is no valve ball in its upper traveling valve housing. 这种抽油泵采用等径柱塞,上游动阀罩内无阀球,仅通过螺纹与柱塞上部连接;
- Remove the four screws holding the first check valve cover. 拆卸固定第一止回阀阀盖的四个螺丝。
- A check valve may be required ahead of the backflow preventer. 此时在防回流阀前面可能需要安装一个止回阀。
- Multiple ball-port options are available in which different hole patterns in the valve ball provide alternative paths to divert flow. 我们也可以提供多通球阀，多通球阀在阀球上具有不同的孔结构，能够提供流体转向的不同选择。
- If it does not drop but there is a small leakage at test cock No. 2, then No. 1 ball valve has a small leak, but No. 1 check valve is tight. 如果水柱没有下降，但是测试旋塞2号有点泄漏，则1号球阀有点泄漏，但是1号止回阀密封紧密。
- Velan Small Forged Steel Check Valves. 锻造低温闸阀、截止阀和止回阀。
- FORGED STEEL PISTON CHECK VALVES. 锻钢活塞止回阀用于水平和垂直管道。
