ball valve उदाहरण वाक्य

उदाहरण वाक्य

1. These types of valves include globe valves, rising stem ball valves, control valves and gate valves.
2. Cone valves or ball valves are another alternative.
3. If the pipeline contains butterfly valves, or reduced port ball valves, the pipeline cannot be pigged.
4. A ball valve uses a spherical ball instead.
5. Historically, petcocks were threaded valves controlled by a butterfly handle; modern petcocks are typically ball valves.
6. One piece ball valves are almost always reduced bore, are relatively inexpensive and generally are throw-away.
7. Larger check valves may be installed with ball valves at the ends, for isolation and testing.
8. Some ball valves are equipped with an actuator that may be pneumatically, hydraulically or motor operated.
9. Manually operated ball valves can be closed quickly and thus there is a danger of water hammer.
10. A floating ball valve is one where the ball is not held in place by a trunnion.