Triple Eccentric Butterfly Valve SizeRange:DN25~DN3500 Class Range:150Lb-300Lb Connection size:flange,wafer material:CS Tripe Eccentric Butterfly ValveThree-dimensional incline taper airproof seat 900 openinger cleaningTriple eccentric, Bereled wedge disc small friction and torque, self-cleanManual, electric, pneumatic and gear operation etc.A216WCB,A351 CF8,A351CF8MA217LCB,A351 CF3,A351CF3M Technical Requirements1. Design and manufacture comply to MSS SP 67-19972. Inspect and test comply to API 5983. Face to face dimension complies to BSS51554. Flanges comply to API 6055. Pressure-temperature grade complies to ANSI B6.34 Material Specification

No.	Part Name	Material
		A216 WCB	A217 LCB	A351 CF8	A351 CF8M	A351 CF3M
1	Nether cover	A105	A105	A182 F304	A182 F316	A182 F316L
2	Bearing	A182 F6a	A182 F304	A182 F304	A182 F316	A182 F316L
3	Wrash	F304+Flexible graphite
4	Body	A216 WCB	A217 LCB	A351 CF8	A351 CF8M	A351 CF3M
5	Nut	A194 2H	A194 4	A194 8	A194 8M	A194 8M
6	Bolt	A193 B7	A193 B16	A193 B8	A193 B8M	A193 B8M
7	Gland	A182 F410	A182 F304	A182 F304	A182 F316	A182 F316L
12	Key	A194 2H
13	Gear action	Nodular cast iron
14	Yoke	A216 WCB		A351 CF8
15	Shaft packing	Flexible graphite
16	Bearing	B148/SF-1/17-7PH
17	Tailpiece	A216 WCB	A217 LCB	A351 CF8	A351 CF8M	A351 CF3M
18	Seal seat	Flexible graphite		PTFE
20	Pin	A276 316	A276 316	A276 316	A276 316	A276 316
21	Butterfly board	A351 CF8M	A351 CF8M	A351 CF8M	A351 CF8M	A351 CF3M
22	Shaft	A276 316	A276 316	A276 316	A276 316	A276 316L

Triple Eccentric Butterfly Valve