cryogenic ball

cryogenic ball is a device that regulates, directs or controls the flow of a fluid (gases, liquids, fluidized solids, or slurries) by opening, closing, or partially obstructing various passageways. Valves are technically valves fittings, but are usually discussed as a separate category. In an open valve, fluid flows in a direction from higher pressure to lower pressure. The simplest, and very ancient, valve is simply a freely hinged flap which drops to obstruct fluid (gas or liquid) flow in one direction, but is pushed open by flow in the opposite direction. This is called a check valve, as it prevents or "checks" the flow in one direction.
   
 
No. title name date hit
7  Ã౸ÆÀ °ü¸®ÀÚ 2016-12-09 3398
6    °í¿Â(500µµ) Å×½ºÆ®ÈÄÀÇ ½ÃÆ®Å×½ºÆ® °ü¸®ÀÚ 2012-02-09 5299
5    600 lb Forged Steel Ball Valves °ü¸®ÀÚ 2012-02-09 4424
4    Top Entry Metal Seat Ball Valve °ü¸®ÀÚ 2012-02-09 2140
3    Swivel Joint °ü¸®ÀÚ 2012-02-09 1993
2  Å±¹ Àü½Ãȸ ¹«¿ªºÎ 2011-02-28 3279
1  Ä³³ª´Ù Àü½Ãȸ ¹«¿ªºÎ 2011-02-28 4100
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