| 1. | Leave the check assembly parallel to the valve body 使得止回阀总成与阀体平行。 |
| 2. | Do not use check arm as a handle to unscrew 不要用止回阀臂作为把手来旋转螺纹。 |
| 3. | The second check valve has a lighter weight spring 第二止回阀则配置较轻的弹簧。 |
| 4. | Marine forged steel male thread stop and check valves 船用外螺纹锻钢截止止回阀 |
| 5. | Threaded suction strainers without non - return valve 无止回阀的螺纹连接的吸滤器 |
| 6. | Lift retainer and check assembly from valve body 从阀体内取出护圈和止回阀总成。 |
| 7. | For the stop - check this is not correct 但是,对于截止止回阀,这种方法行不通。 |
| 8. | Marine flanged cast steel over board stop check valve 船用法兰铸钢舷侧截止止回阀 |
| 9. | J kind of flanged cast iron 0 . 5mpa stop check valves J类法兰铸铁0 . 5mpa截止止回阀 |
| 10. | J kind of flanged cast iron 1 . 0mpa stop check valves J类法兰铸铁1 . 0mpa截止止回阀 |