J941H/W电动法兰截止阀

J961H、J961Y电动焊接截止阀

J641H、J641W气动法兰截止阀

J41T铸铁法兰截止阀

J61Y、J61H、J11Y、J11H煅钢截止阀

UJ41H/Y柱塞式截止阀

YJ41F抗生素截止阀

NKJ41H、NKJ61H法兰式真空截止阀

DWJ41H德标波纹管截止阀

WJ41H国标波纹管截止阀

J41W不锈钢法兰截止阀

J41H铸钢法兰截止阀