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Butterfly valve with actuator electric valve - An electrically actuated butterfly valve is a quarter-turn valve controlled by an electric motor. It offers fast and precise flow regulation, remote operation, and versatility for various applications.
The sealants, where used, are typically thread seal tape thread sealant or a thread seal paste pipe dope (sometimes similar in composition to plumber's putty). Because the thread body is tapered (0.75 in/ft or 62.5 mm/m), a larger diameter keeps compressing into a smaller diameter and finally forms a seal (no clearance remains between the ...
Swirl flap principle in a four-valve engine. A swirl flap is a small butterfly valve fitted to four-stroke internal combustion engines with at least two intake valves.It is installed inside or just before one of a cylinder's two intake ports, allowing to throttle its intake port's air flow, causing a swirl in the other intake port not fitted with a swirl flap.
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]
Oscillating poppet valve on one of Chapelon's rebuilt 4-6-2 locomotives. Poppet valves have been used on steam locomotives, often in conjunction with Lentz or Caprotti valve gear. British examples include: LNER Class B12; LNER Class D49; LNER Class P2; LMS Stanier Class 5 4-6-0; BR standard class 5; BR standard class 8 71000 Duke of Gloucester.
The fish also has a belly patch of descending oblique dark lines and bright yellow fins. [4] Two subspecies are sometimes recognised: Chaetodon auriga auriga occurs in the Red Sea and lacks the dorsal eyespot ; Chaetodon auriga setifer is the spotted population occurring outside the Red Sea.
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