Inventors:
Michael R. Strong - Midland MI
James C. Sell - Saginaw MI
David J. Cimbalik - Midland MI
Assignee:
Dow Corning Corporation - Midland MI
International Classification:
F16K 1104
Abstract:
A valve comprising a cylinder with a number of inlet and outlet ports at one end having movable therein a resiliently surfaced piston, wherein the valve is closed by movement of the piston to a position wherein the resilient surface simultaneously closes all of the ports. Means is provided to normally urge the valve toward an open position and closing means which may be highly pressurized air is provided to move the piston to a valve closed position.