性能规范
·公称压力：25mpa、40mpa
·适用温度：≤450℃
·适用介质：油、水、气等非腐蚀性或有腐蚀介质
·制造材料：20＃,1cr18ni9ti0cr18ni12mo2ti,316l
·配管：φ4~φ42的普通级精度无缝钢管
·锥管螺纹：zg、zm、npt等
functional standard
·nominal pressure:25mpa、40mpa
·applicable temperature: ≤450℃
·applicable medium:oil、water、gas and other corrosive or noncorosivemedium
·the materials for manufavture: 20＃,1cr18ni9ti0cr18ni12mo2ti,316l
·the demands for fitting pipes: φ4~φ42 steel pipes
·cone thread:zg、zm、npt.etc
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