J24W、J94WJ94W角式针型阀

J61Y、J63YJ63Y高温高压焊接式针型阀

J61Y、J63YJ61Y焊接式针型阀

J43W、J44WJ43W法兰式针型阀

J21WJ21W内外螺纹针型阀

J23W、J21WJ23W外螺纹焊接式针型阀

J13W、J18WJ13W内螺纹针型阀

J91W、J94WJ91W卡套式针型阀

JJ.BY1JJ.BY1取压截止阀

JJ.M1、JJ.M8JJ.M1仪表针型阀

GMJ11H、GMJ14HGMJ11H高密封取样阀

WJ21WWJ21W波纹管针型阀