您要查找的是不是：
- Thermal Expression Bypass Check Valve Feature 熱膨脹旁路止回閥功能
- Thermal Expansion Pressure Bypass Check Valve Feature 熱膨脹壓力旁路止回閥功能
- Check valve guiding shall be plastic to plastic. 止回閥引導裝置應該是塑料對塑料。
- Remove check valve and valve seal from booster. 從倍力器上卸去逆止閥和閥門密封。
- Connect vacuum hose to booster check valve. 連接真空軟管到增壓器檢測閥。
- To test for tightness of second check Valve. 檢測第二止回閥的密封性。
- ANSI FLANGED SWING CHECK VALVE CLAS. 美標法蘭止回閥。
- Reassemble the Check valve modules. 重新組裝止回閥模塊。
- Connect vacuum hose to booster check valve . 連接真空軟管到增壓器檢測閥。
- Purpose: To test check valve No. 1 for tightness. 目的:檢測止回閥1號的密封性。
- Sticky outlet check valve poppet. 1檢查過濾的進水管線。
- CAUTION: The check valve spring is in compression. 警告：止回閥彈簧處於壓縮狀態。
- The bypass line double check valve shall have a single access cover, two independently operating modular poppet check valves, and top mounted test cocks. 旁路管線雙止回閥應該具有一個檢修蓋，兩個獨立工作的運行模塊化提升式止回閥，以及頂部安裝測試旋塞。
- Remove the four screws holding the first check valve cover. 拆卸固定第一止回閥閥蓋的四個螺絲。
- A check valve may be required ahead of the backflow preventer. 此時在防迴流閥前面可能需要安裝一個止回閥。
- Service the second check valve using steps 2 through 12. 按照第2步至第12步維修第二止回閥。
- Use a check valve to prevent reverse flow into the cylinder. 採用止回閥,防止迴流入鋼瓶。
- Velan Small Forged Steel Check Valves. 鍛造低溫閘閥、截止閥和止回閥。
- FORGED STEEL PISTON CHECK VALVES. 鍛鋼活塞止回閥用於水平和垂直管道。
- Globe Stop Check Valves Major Features. 球形截止止回閥主要特點。
