VELAN Swing Check Valve, Vertical Body Bolted Bonnet, 3 in Nominal, Raised Face Flange End Style, 20 to 285 psi Pressure, Class 150 Pressure Class, -20 to 1000 deg F, Media: Gas, Oil and Water, 9-1/2 in Inlet to Outlet Length, 7-3/4 in Top to Inlet Center, Wrought Carbon Steel Body, 13 Cr Wedge/Disc Surface/Co Cr Alloy Seat Surface/13 Cr Stem Trim, Graphite/Spiral Wound Stainless Steel Softgoods
Body Material
Wrought Carbon Steel
End Style
Raised Face Flange
Inlet to Outlet Length
9-1/2 in
Media
Gas, Oil and Water
Nominal Size
3 in
Pressure Class
Class 150
Pressure Rating
20 to 285 psi
Softgoods Material
Graphite/Spiral Wound Stainless Steel
Temperature Rating
-20 to 1000 deg F
Top to Inlet Center
7-3/4 in
Trim Material
13 Cr Wedge/Disc Surface/Co Cr Alloy Seat Surface/13 Cr Stem
Type
Vertical Body Bolted Bonnet
- Body and cover: precision machined casting
- Exclusive: disc shaft does not penetrate body
- Body and cover joint: accurately machined, fully enclosed gasket
- Disc: robust one-piece construction to withstand the severe shock of check valve service
- Hard faced with 13 Cr, CoCr alloy, SS 316 or Monel, ground and lapped to a mirror finish
- Disc assembly: non-rotating disc is fastened securely to disc hanger with a lock nut and cotter pin
- Disc hanger is supported on a sturdy disc carrier hinge pin of excellent bearing qualities
- All parts are accessible from top for easy servicing