demand valve उदाहरण वाक्य
उदाहरण वाक्य
- One in 8 victims refused to return the demand valve, however, donating a regulator rarely results in the donor becoming the victim.
- This would normally be pressurised but with a closed valve, so that current pressure on the demand valve will not cause a free flow.
- Many divers fit a second demand valve, often called an " octopus ", to their diving regulators, for emergency use by another diver.
- In most regulator designs the diver will have to overcome a larger cracking pressure to open the demand valve, and flow rate will be reduced.
- In twin hose regulators the demand valve is included in the body of the regulator which is usually attached directly to the cylinder valve or manifold outlet.
- The Emerson and Pulmotor were utilized until the mid-1960s, when a breakthrough in the history of oxygen delivery was made : the demand valve.
- The donor should retain a good grip on the demand valve throughout the buddy breathing process, as a panicked recipient may fail to give it back.
- A reasonably reliable way of keeping control of the demand valve is to grasp the hose firmly in the fist where it connects to the demand valve.
- A reasonably reliable way of keeping control of the demand valve is to grasp the hose firmly in the fist where it connects to the demand valve.
- The first recorded demand valve was invented in 1838 in France and forgotten in the next few years; another workable demand valve was not invented until 1860.