Common butterfly valve models are as follows:
1.Hydraulic slow closing checkback butterfly valve Model: HD7X41X
2.Ventilation butterfly valve Model: D341H, D341W
3.Three eccentric on the folder hard seal butterfly valve Model: D73H, D373H, D673H, D973H
4.Center flange butterfly valve Model: D41X, D341X, D641X, D941X
5.Center-to-clip butterfly valve Model: D71X, D371X, D671X, D971X
6.Spring-type fast closing butterfly valve Model: KD7T42 / 3P

7.Double eccentric butterfly valve on the folder Model: D72F, D372F, D672F, D972F
8.Three eccentric welding hard seal butterfly valve Model: D63H, D363H, D663H, D963H
9.Double eccentric PTFE sealed butterfly valve Model: D343H, D343Y
10.Adjustable PTFE Seal Butterfly Valves Model: D41F, D71F

11.Three eccentric flange hard seal butterfly valve Model: D43H, D343H, D643H, D943H
12.Double eccentric flange butterfly valve Model: D42F, D342F, D642F, D942F
13.Lining butterfly valve Model: D341F4