Manual Operated Butterfly Valve

The sizes of valve connecting flange and butt-welding terminas can be designed according to customer's requirement

Product Details

Item	Content
Structural formation	Single eccentric structure / Double eccentric structure / Three eccentric structure / Variable eccentric structure
Design reference	GB / API
Driving manner	Hand-operated, worm wheel & worm screw, pneumatic operated, Electric-driving
Design standard	GB/T 12238, JB/T8527 / API609, MSS.SP-68, BSEN593
Face to face	GB/T 12221 / ASME B16.10, API609, MSS.SP-68
Flanged ends	GB/T 17241.6, GB/T 9113, HG/T 20592, HG 20615, HG20623 / ASME B16.5, ASME B16.47
Test & inspection	GB/T 13927, JB/T 9092 / API598

Note: The sizes of valve connecting flange and butt-welding terminas can be designed according to customer's requirement

No.	Part name	Material
1	Body	WCB, CF8, CF8M, CF8C, CF3, CF3M
2	Stem	1Cr13, 2Cr13, 1Cr18Ni9Ti, 0Cr18Ni12Mo2Ti, 0Cr18Ni9
3	Disc	WCB+F4, WCB, WCB+stainless composite, WCB+F6, CF8, CF8M
4	Packing seat	2Cr13, 304, 316, 304L, 316L
5	Packing	Graphite, PTFE
6	Stuffing cover	WCB, CF8, CF8M
7	Yoke	WCB, CF8, CF8M, CF3, CF3M
8	Worm device	Assembly