Design criteria:	API 609、ASME B16.34
Body material:	WCB、LCB、CF8、CF8M、CF3M Etc.
Sealing material:	13Cr/13Cr、13Cr/STL、STL/STL、304/304、316/316、316/STL、PTFE Etc.
Stress:	150LB to 600LB
Size:	2" to 60"
Connection:	Flange, clamp, welding
Materials:	Carbon steel, stainless steel, etc.

1, the stem blow-out design is safe and reliable, fully meet the requirements of API 609.
2, composite metal sealing ring elastic characteristics of the valve with zero leakage performance.
3, STEM upper position indicator and top mounting flange for disc position indication.
4, The friction-free design of right-angle rotation is realized through a unique tri-eccentricity principle, which eliminates friction between the seat and the seal ring during 90 ° switch rotation.