法兰类:
平面法兰 Plane flange
带颈法兰 Brings neck flange?
承插法兰? Bearing inserts flange
垫环(突缘) Fil lup ring(Projection fate)
盲板? Blindness board
钢塑活套法兰? Gang su huo a set of flange
法兰管件:
90°法兰弯头??? 90°flange a bay? head
45°法兰弯头??? 45°flange a bay head
法兰异径管????? Flange difference path tube
法兰正三通????? Flange san tong
法兰正斜三通??? Flange incline to san tong