With neck welding neck flange
Process surface flat welding flange
With neck flat welding flange ANSI B16.5
With neck flat welding flange
With neck flat welding flangeHG20594-97
Stainless steel flange ANSI B16.5
Stainless steel flangeHG20599-97
Stainless steel flange
Stainless steel tube flange cover
Stainless steel blind plate
Stainless steel blind plateHG20601-97
Plate flat welding flange
PN1.0MPa(10压力)钢制管板式平焊法兰
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