Sherwood propane tanksSherwood propane tanks. . LP Gas flow is controlled by propane tank service valves. Online store for propane items, $5. . sherwood in Propane and Natural Gas Equipment by National Energy Equipment, Inc. safer and more efficient valves, regulators and float gauges for the propane gas industry. Sherwood make a shut-off valve for propane cylinders with a dip-tube to draw liquid from the bottom of . New unused solid brass Mfg. . 508-2583 LPG PRODUCTS 1 APRIL 2007 We manufactu... more