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Watson McDaniel series 10691 tight shut-off relief and back pressure regulating valve. 1/2" 10691-12-N-3-E, 10691-12-N-2-E, 10691-12-N-1-E, 10691-12-N-1-T, 10691-12-N-2-T, 10691-12-N-1-T, 10691-12-N-3-V, 10691-12-N-2-V, 10691-12-N-1-V. 3/4" 10691-13-N-3-E, 10691-13-N-2-E, 10691-13-N-1-E, 10691-13-N-3-T, 10691-13-N-2-T, 10691-13-N-1-T, 10691-13-N-3-V, 10691-13-N-2-V, 10691-13-N-1-V. 1" 10691-14-N-3-E, 10691-14-N-2-E, 10691-14-N-1-E.

Watson McDaniel 10691 Series Relief & Back Pressure Valve
Watson McDaniel series R relief and back pressure regulating valve. 1/2" R-12-N-4, R-12-N-3, R-12-N-2, R-12-N-1. 3/4" R-13-N-4, R13-N-3, R-13-N-2, R-13-N-2, R-13-N-1. 1" R-14-N-4, R-14-N-3, R-14-N-2, R-14-N-1. 1-1/4" R-15-N-4, R-15-N-3, R-15-N-2, R-15-N-1. 1-1/2" R-16-N-4, R-16-N-3, R-16-N-2, R-16-N-1. 2" R-17-N-3, R-17-N-2, R-17-N-1. 3" R-19-N-3, R-19-N-2, R-19-N-1.

Watson McDaniel R Series Relief & Back Pressure Valve