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A check valve, non-return valve, reflux valve, retention valve, foot valve, or one-way valve is a valve that normally allows fluid (liquid or gas) to flow through it in only one direction. [1] Check valves are two-port valves, meaning they have two openings in the body, one for fluid to enter and the other for fluid to leave. There are various ...
Valves are available in several types, based on design and purpose: Gate, plug, or ball valves – Isolation; Globe valve – Throttling; Needle valve – Throttling, usually with high precision but low flow; Butterfly or diaphragm valves – Isolation and throttling; Check valve – Preventing reverse flow (non-return)
HDPE pipeline on a mine site in Australia. A pipeline is a system of pipes for long-distance transportation of a liquid or gas, typically to a market area for consumption. The latest data from 2014 gives a total of slightly less than 2,175,000 miles (3,500,000 km) of pipeline in 120 countries around the world. [1]
Nominal Pipe Size (NPS) is a North American set of standard sizes for pipes used for high or low pressures and temperatures. [1] " Nominal" refers to pipe in non-specific terms and identifies the diameter of the hole with a non-dimensional number (for example – 2-inch nominal steel pipe" consists of many varieties of steel pipe with the only criterion being a 2.375-inch (60.3 mm) outside ...
Name Language Type Area reporting covers ABS-CBN News: English/Filipino: Daily: National Bulatlat [5]: English: Daily: National Cebu Daily News (CDN Digital) English
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The Supreme Court of the Philippines in a 20-page decision dated July 11, 2023, but promulgated on March 4, 2024, dismissed Bayyo Association Inc. and transport groups petition to nullify the Public Utility Vehicle Modernization Program provisions that compel jeepney drivers and operators to replace their traditional units with modern ones.
In late April 2024, a peace rally intended to defend the Constitution and criticize the "excesses” made by the Marcos administration was planned by former President Rodrigo Duterte's supporters to be held in Bustos, Bulacan. Duterte called his supporters to attend the rally saying "If you are brave, for the country, defend the flag, and the ...