... 316 ss phosphor brassconnection way:back connection,bottom connection ,and clamp fixing,falaned fixing thread,hose etc.connection thread:NPT ... ,BSP,BSPT,PT,ZG,and other special specification availabletube/capsule material: 316 ss or ... 304 ssbezel: 304 sswindow(lens):polycarbonate,and safety glass lens availabledial plate:single and dual scale(psi,kpa,mpa,bar,kg/cm2) ...