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2. Ball valve - Wikipedia

   en.wikipedia.org/wiki/Ball_valve

   A ball valve is a flow control device which uses a hollow, perforated, and pivoting ball to control fluid flowing through it. It is open when the hole through the middle of the ball is in line with the flow inlet and closed when it is pivoted 90 degrees by the valve handle, blocking the flow. [1]

3. Piping and plumbing fitting - Wikipedia

   en.wikipedia.org/wiki/Piping_and_plumbing_fitting

   Non-return or check valves allow the free flow of a fluid in one direction but prevent its flow in a reverse direction. They are often seen in drainage or sewage systems but may also be used in pressurized systems. Valves are available in several types, based on design and purpose: Gate, plug, or ball valves – Isolation; Globe valve ...

4. List of the largest trading partners of Canada - Wikipedia

   en.wikipedia.org/wiki/List_of_the_largest...

   The 20 largest trade partners of Canada represent 94.0% of Canada's exports, and 91.9% of Canada's imports as of December 2016. [4] These figures do not include services or foreign direct investment. The largest partners of Canada with their total trade (sum of imports and exports) in millions of Canadian Dollars for calendar year 2019 are as ...

5. List of valves - Wikipedia

   en.wikipedia.org/wiki/List_of_valves

   The inside of an extremely large butterfly valve Duplex ball valve Three check valves in corrosion-resistant Hastelloy Stainless steel gate valve. Valves can be categorized into the following types, based on their operating mechanism: Ball valve, for on–off control without pressure drop. Ideal for quick shut-off, since a 90° turn completely ...

6. List of companies of Canada - Wikipedia

   en.wikipedia.org/wiki/List_of_companies_of_Canada

   Canada is a country in the northern part of North America. Canada is the world's eighth-largest economy as of 2022 [update] , with a nominal GDP of approximately US$2.2 trillion. [ 1 ] It is a member of the Organisation for Economic Co-operation and Development (OECD) and the Group of Seven (G7), and is one of the world's top ten trading ...

7. Category:Hardware stores of Canada - Wikipedia

   en.wikipedia.org/wiki/Category:Hardware_stores...

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