Operating positions for two main-port valves could be either shut (closed) to ensure that no flow in any way undergoes, fully open for max flow, or sometimes partially open to any degree involving. S

Fixed ball valve is mainly used in high pressure large diameter ball valve. According to the installation of the valve seat ring is different from a sphere of fixed valve seat and the ball before the

I HIGHLY recommend a pre-drilled reef ready tank (a 55g is fine and MUCH better than a 10g tank). Your incidence of flooding will be drastically reduced going with a reef ready tank

A butterfly valve is equivalent to a ball valve except that the ball-shaped mechanism inside of is replaced by a disc or plate that rotates on a rod or trunnion.

A butterfly valve is from a ancestors of valves alleged division about-face valves. The “butterfly” is a metal disc army on a rod. When the valve is closed, the disc is angry so that it absolutely b

Hello well I’ve been having stalling problems on my 92 Mercedes Benz 400se I figured it was the throttle butterfly valve that was having a hard time opening so I used fuel treatment and i cleaned the

large universal valve lockout with nylon cable and blocking arm manufactured with industrial-grade steel and nylon with red color.

Does the duty point of a pump in performance curve change automatically depends the system head? for example, i have pump with best efficiency at Q = 10 m3/min and H = 5 m , but i use the pump in a sy