152067 ⎘
Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary Plug valves; with plugs having conical surfaces; Packings therefor Fixed plug and turning sleeve
Bi-metal valve body casting and method of making same
#2Bi-metal valve body casting and method of making same
#3Pumping device for sucking or draining fluid
#4Venturi tube assembly and manual/pneumatic pump including the venturi tube assembly
#5NON-RETURN VALVE HAVING IMPROVED AUTOMATIC RECIRCULATION