enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. Drain-waste-vent system - Wikipedia

   en.wikipedia.org/wiki/Drain-waste-vent_system

   A sewer pipe is normally at neutral air pressure compared to the surrounding atmosphere.When a column of waste water flows through a pipe, it compresses air ahead of it in the system, creating a positive pressure that must be released so it does not push back on the waste stream and downstream traps, slow drainage, and induce potential clogs.

3. Duckbill valve - Wikipedia

   en.wikipedia.org/wiki/Duckbill_valve

   Duckbill valves attached to the hood and shoulders of a Soviet "GP" professional dry suit. Also known as a spear valve or flutter valve, this automatic device serves as a gas exhaust valve on the inside of some twin-hose diving regulators and as an excess gas release valve on the outside of certain mid-twentieth-century dry diving suits.

4. Chimney - Wikipedia

   en.wikipedia.org/wiki/Chimney

   An H-style cap is a chimney top constructed from chimney pipes shaped like the letter H. It is an age-old method of regulating draft in situations where prevailing winds or turbulences cause downdraft and back-puffing. Although the H cap has a distinct advantage over most other downdraft caps, it fell out of favor because of its bulky design.

5. Exhaust system - Wikipedia

   en.wikipedia.org/wiki/Exhaust_system

   A chimney is an exhaust pipe in a stationary structure. For the internal combustion engine, it is important to have the exhaust system "tuned" (refer to tuned exhaust) for optimal efficiency. Also, this should meet the norms of the regulations in each country. In China, China 5; In European countries, EURO 5; In India, BS-4, etc.,

6. Trap (plumbing) - Wikipedia

   en.wikipedia.org/wiki/Trap_(plumbing)

   In the United States, plumbing codes usually provide strict limitations on how far a trap may be located from the nearest vent stack. When a vent cannot be provided, an air admittance valve may be used instead. These devices avoid negative pressure in the drain pipe by venting room air into the drain pipe (behind the trap).

7. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!