中力J25H仿进口美标高压针型阀,超高压内外螺纹针阀 此阀仿制美国的，可以取代进口产品，有内螺纹形式，外螺丝纹形式，卡套式及焊接式。公称压力：PN2.5 PN4 PN6.4 PN16 32Mpa 70MPa 100MPa 140MPa 美标高压针型阀公称通径：DN5～DN25适用介质：油﹑水﹑气等多种非腐蚀性或腐蚀性介质 适用温度：-20℃～+440℃ -70℃～240℃ ≤540℃ ≤570℃等 美标高压针型阀制造材料：20#﹑1Cr18Ni9Ti﹑304﹑316﹑316L﹑12Cr1Mov等。

      J25H type high pressure needle valve, American standard type ultrahigh pressure inside and outside thread the needle valve This valve is generic in the United States, can replace imported products, there are internal thread forms, outside screw lines form, shell and welded. Nominal pressure: PN2.5 PN4 PN6.4 PN16 32 mpa 70 mpa to 100 mpa to 140 mpa standard type high pressure needle valve nominal diameter: DN5 ~ DN25 applicable medium: oil, water, gas and other non corrosive or corrosive medium applicable temperature: - 20 ℃ ~ + 440 ℃ to 70 ℃ ~ 440 ℃ 540 ℃ 570 ℃ or less or less beautiful mark type high pressure needle valve manufacturing materials such as: 20 #, 1 cr18ni9ti, 304, 304, 316 l, 12 cr1mov, etc.