... christmas tree size : 2-1/16, 3-1/8 etc threaded flange rated pressure:3M,5M,10M ,15M companion flange for wellhead christmas treesize : 2-1/16, 3-1/8 ... etc threaded flangerated pressure:3M,5M,10M ,15Mapplication : wellhead tree valveconnection :LP ... .init( { 'aImgSrc': aBigImageSrc } ); } )(); companion flange for wellhead christmas tree