压盖–两件式自行调整压盖及压盖法兰,在调整填料时,不需要压簧杆.Gland – two piece self - aligning gland and gland flange eliminates cocking if packing adjustment is required.压盖–两件式, 自行调整压盖,不需要配置压簧杆. 便于维护的转位式螺栓.Gland – two piece , self - aligning gland ...