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  • Worcester Controls Corp. Eliminates Galling and Boosts Ball Valve Life 50% With Mirror-Smooth Coating
    For more than four decades, Worcester Controls Corporation has been on the leading edge of ball valve and flow control technology. The Marlborough (Mass.) company has always prided itself on making and selling state-of-the-art products of the highest quality. So Worcester was seriously concerned
  • Bomb-Proof Ball Valve
  • Three-way, Multiport Ball Valve Flow Patterns
    The standard manual three-way valve is usually installed so that the bottom port â Câ is the common port. Turning the handle 90 degrees diverts the flow to the right, port â Aâ or to the left, port â Bâ , or turns the flow off. Thereâ s a couple of things to remember though. Letâ s say
  • RuB Flexible Lip Ball Valve Seat Design
    RuB ball valves have a unique feature which gives them substantial performance advantages over many other ball valves. The lip portion of the teflon (R) seats in all RuB ball valves is free to flex. The seats act as springs, which can absorb variations in temperature or pressure.
  • Grease Fittings on RuB Ball Valves
    One of the key advantages of a ball valve over older types (such as conical plug valves, which are the traditional valve used for gas meter sets) is that the ball valve seals absolutely bubble-tight without any sealant or lubricant being required. The reason for this is that the geometry of a ball
  • Steam Ratings for Ball Valves
    RuB ball valve styles which use teflon stem seals (s.40, 42, 70, and 92) are rated at 150 psi WSP (Working Steam Pressure). But our valve styles which have FPM (like DuPont Viton (R)) stem seals (the s64 or s95 for example) cannot be consistently satisfactory at 150 WSP without some restrictions
  • Vented Ball Valves for Sodium Hypochlorite
    An optional vent is added to all True Blue trunnion ball valves specified for bleach applications. Without a vent of some sort, sodium hypochlorite would be trapped inside the ball whenever it is in the closed position, and give off gas (outgas). In the majority of poorly sealing valves, this gas
  • The port size of a valve can make a costly difference to any given application.
    Article gives a history of ball valve design and development and explains how porting effects flow and performance. Full, standard and reduced port valves are explained in great detail.

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