... 5"Connection design:Standard (male thread connection)1 Plain stem (without thread)2 Male nut3 Union nut ... the case:Aluminium, only with lower mount versionOptions:1. Scale range °F, °C/°F (dual ... 2 GD c TXConnection design: Design standard (male thread connection) 1)Connection, male: ¼ NPT, ½ NPT, G ¼ B ... 100, 150, 225, 305, 380, 455, 610 mmDesign 1, plain stem (without thread)Stem length: I = 140, 200, ...