压力表不锈钢焊接式截止阀针型阀J23W JJM1-160P 250P DN6 DN10，201/304/316不锈钢焊接针型阀/DN15仪表针阀/J23W不锈钢针形阀，J61Y/W/H-160P/320P/64P 碳钢304/316对焊针型阀焊接针型截止阀
J14H/W内螺纹角式截止阀、J91W/H-64P型卡套针型阀、JJ.Y1卡套针形截止阀、J94W/H型卡套角式针型阀、J23W/H-160P外螺纹针型阀、J24W/H外罗纹针型阀、J13W/H内螺纹针型阀、J11W/H内外螺纹针型阀、J21W/H压力表针型阀、CJ123W型多功能针型阀、JJ-M1型压力表针型阀、JJ-M8型节流式针型阀、J19W/H型压力表三通阀、J19H-64P压力表三通针型阀、J29W/H型压力计针型阀、J49W/H型压力计针型阀、J43W/H型法兰针型阀、 J44H、J44W法兰角式针型阀、JJ-BY1型取压针型阀、J61W-160P、J61Y-320P高温高压对焊针型阀、FJ61W承插焊针型阀

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