J941H，J941Y，J941W防爆电动截止阀

J961H，J961W，J961Y电动高压截止阀

J941H，J941Y，J941W电动法兰截止阀

J961H，J961W，J961Y电动焊接截止阀

J941F46电动衬氟截止阀

WJ941H、WJ941W、WJ941Y电动波纹管截止阀