enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. Harmonized System - Wikipedia

   en.wikipedia.org/wiki/Harmonized_System

   The process of assigning HS codes is known as "HS Classification". All products can be classified in the HS by using the General Rules for the Interpretation of the Harmonized System ("GRI") that must be applied in strict order. HS codes can be determined by a variety of factors including a product's composition, its form and its function.

3. List of abbreviations in oil and gas exploration and production

   en.wikipedia.org/wiki/List_of_abbreviations_in...

   BTO/C – break to open/close (valve torque) BTU – British thermal units; BTU – Board of Trade Unit (1 kWh) (historical) BU – bottom up; BUL – bottom-up lag; BUR – build-up rate; BVO – ball valve operator; bwd – barrels of water per day (often used in reference to oil production) bwipd – barrels of water injected per day

4. Ball valve - Wikipedia

   en.wikipedia.org/wiki/Ball_valve

   The maximum working pressure of high-pressure ball valves can be up to 15,000 psi (1,000 bar). High-pressure ball valves are often used in hydraulic systems, so they are also known as hydraulic ball valves. Ball valves in sizes up to 2 inches (51 mm) generally come in a single piece, two or three-piece designs.

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. Unified numbering system - Wikipedia

   en.wikipedia.org/wiki/Unified_numbering_system

   It consists of a prefix letter and five digits designating a material composition. For example, a prefix of S indicates stainless steel alloys, C indicates copper, brass, or bronze alloys, T indicates tool steels, and so on. The first 3 digits often match older 3-digit numbering systems, while the last 2 digits indicate more modern variations.

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!