U46SMU46SM平衡式柱塞阀
面议U46SMU46SM平衡式柱塞阀
面议U41SMU41SM法兰柱塞阀
面议U41MF-16U41MF-16(法兰柱塞阀)
面议U11SMU11SM内螺纹柱塞阀
面议U11MF-16U11MF-16(内螺纹柱塞阀)
面议J61H、J61Y、J61Y[J61H、J61Y、J61Y-P54或170V]高温高压截止阀
面议J44Y、L44Y、GJ44H[J44Y、L44Y、GJ44H]高压角式截止阀
面议J44H、J44W[J44H、J44W]角式截止阀
面议J42B[J42B]角式氨用截止阀
面议J41YJ41Y锻钢自密封截止阀
面议J41N[J41N]燃气截止阀(液化石油气截止阀)
面议J41H、J41Y[J41H、J41Y]锻钢法兰端截止阀
面议