Gland ? two - piece gland / gland flange is self - aligning to eliminate stem damage from cocked gland 压盖-两件式压盖/压盖法兰,自行对准调节,防止由于压盖翘起而造成阀杆损坏。
2.
Electrical apparatus for potentially explosive atmospheres for mining - cable entries - part 3 : gland flanges for entries ; safety requirements and testing 用于潜在爆炸性环境的采掘电气装置.电缆引入线.第3部