Butterfly Valves, API 609
Butterfly Valves, MSS SP-67
Fire Durability, API 607
Steel Valve, ASME B16.34
Face to Face, API 609
End Flange, ASME B16.5
End Flange, ASME B16.47
Inspection And Test, API 598

Desing Description

Sealing Structure, Soft Seal, Multilayer-hard Seal,
   Elastic Ring-Hard Seal, Soft Seal Fireproof
Stopper Driver
ISO 5211 Mounting PAD
Connection, Flanged, Butt-welded, Wafer, 
   Lug-wafer
Operation Type, Manual, Worm Gear, Electric,
   Pneumatic, Hydraulic
Eccentric Structure, Centered, Single Eccentric,
   Double Eccentric, And Triple Eccentric.

 Standard Material Specifiactions

NO.	Part Name	ASTM Material
		Carbon steel	304 Type	316Type	304LType	316LType	Alloy 20
1	Body	A216-WCB	A315-CF8	A315-CF8M	A315-CF3	A315-CF3M	A315-CN7M
2	Stem	A182 F6a	A182 F304	A182 F316	A182 F304L	A182 F316L	Alloy 20
3	Disc	A216-WCB	A315-CF8	A315-CF8M	A315-CF3	A315-CF3M	A315-CN7M
4	Hinge pin	A276-410	A276-304	A276-316	A276-304L	A276-316	Alloy 20
5	Bolt	A193-B7	A193-B8	A193-B8M	A193-B8	A193-B8M	Alloy 20
6	Retaining ring	A105	A182-F304	A182-F316	A182-F304L	A182-F316	Alloy 20
7	Seat ring	Graphite+ 304	Graphite+ 304	Graphite+ 316	Graphite+ 304L	Graphite+ 316L	Graphite+ Alloy 20
8	Bushing	Bronze	304+PTFE	316+PTFE	304L+PTFE	316L+PTFE	Alloy 20+PTFE
9	Packing	Graphite	PTFE	PTFE	PTFE	PTFE	PTFE
10	Yoke	A216-WCB	A216-WCB	A216-WCB	A216-WCB	A216-WCB	A216-WCB