黄铜锻压煤气外牙内牙（内牙）/Brass forging gas valve
#煤气阀丝口分内丝、外丝：手柄分长手柄、蝶手柄
公称压力：PN≤1.6Mpa  适用介质：水、气   适用温度：T≤150℃
螺纹标准：55º英制G管螺纹

Nominal Pressure:PN≤1.6Mpa  Applicable media:water,gas etc
Applicable temperature:T≤150℃ Thread standard: 55ºinch system G pipe thread