l  The blade
type disc is helpful to cut off the medium and discharge the residue so that
the knife gate valve can be operated without blocking;
 l  The lift
type wedge can scrape the adhered medium on the seal face automatically;
 l  Rising stem
and non-rising stem available;
 l  Short face
to face, light weight, small installation space needed, easy to install and
dismantle;
 l  Handwheel,
bevel gear, pneumatic, electric, sprocket wheel, electric-hydraulic operated available;
 l  Soft seal,
metal seal, single direction seal, bidirectional seal are available.
 
				Product range:
l Size: DN50~DN2000  2’’~80’’
l  Pressure rating:
PN10  PN16  150lbs
l  End connection: Flanged 
Wafer  Lugged
l  Body materials: WCB 
CF8  CF8M etc. 
l Wedge materials: 2Cr13  304  316 etc.
l Operation: handwheel  gear  electric  pneumatic
 Technical standards:
l Design: MSS SP-81
l Face to Face: MSS SP-81
l Flanged ends: ASME B16.5 
l Test and inspection: MSS SP-81