Pressure seal & bolted bonnet valves

Category: Gate, globe & check valves


A complete range of gate, globe and check valves for all of your high pressure and high temperature applications, proven over years of service in thermal and nuclear power plants around the world. Only Velan offers the advantages of one-piece forged valves in sizes up to 24" (600 mm).

Category: Gate, globe & check valves
Product line: Pressure seal & bolted bonnet valves

Bolted bonnet bellows seal flexible wedge gate valvesBolted bonnet bellows seal globe valvesBolted bonnet flexible wedge gate valves
Size range(s)
2 1/2 - 6'' (65 - 150 mm)
Pressure rating
ASME Class 600 - 1500
Standard connections
Butt weld
Size range(s)
2 1/2 - 10'' (65 - 250 mm)
Pressure rating
ASME Class 600 - 1500
Standard connections
Butt weld
Size range(s)
2 - 24'' (50 - 600 mm)
Pressure rating
ASME Class 150 - 1500
Standard connections
Socket weld, Butt weld

Bolted bonnet globe valvesBolted bonnet parallel slide gate valvesBolted cover piston check valves
Size range(s)
2 1/2 - 14'' (65 - 350 mm)
Pressure rating
ASME Class 150 - 1500
Standard connections
Socket weld, Butt weld
Size range(s)
2 - 24'' (50 - 600 mm)
Pressure rating
ASME Class 600 - 1500
Standard connections
Socket weld, Butt weld
Size range(s)
2 1/2 - 14'' (65 - 350 mm)
Pressure rating
ASME Class 150 - 1500
Standard connections
Socket weld, Butt weld

Bolted cover swing check valvesPressure seal flexible wedge gate valvesPressure seal globe valves
Size range(s)
2 1/2 - 24'' (65 - 600 mm)
Pressure rating
ASME Class 150 - 1500
Standard connections
Socket weld, Butt weld
Size range(s)
2 - 24'' (50 - 600 mm)
Pressure rating
ASME Class 600 - 4500
Standard connections
Socket weld, Butt weld
Size range(s)
2 - 16'' (50 - 400 mm)
Pressure rating
ASME Class 600 - 4500
Standard connections
Socket weld, Butt weld

Pressure seal parallel slide gate valvesPressure seal piston check valvesPressure seal swing check valves
Size range(s)
2 - 24'' (50 - 600 mm)
Pressure rating
ASME Class 600 - 2500
Standard connections
Socket weld, Butt weld
Size range(s)
2 - 14'' (50 - 350 mm)
Pressure rating
ASME Class 600 - 2500
Standard connections
Socket weld, Butt weld
Size range(s)
2 - 24'' (50 - 600 mm)
Pressure rating
ASME Class 600 - 2500
Standard connections
Socket weld, Butt weld

Pressure seal tilting disc check valvesPressure seal y-pattern globe valvesPressure seal y-pattern piston check valves
Size range(s)
2 - 24'' (50 - 600 mm)
Pressure rating
ASME Class 600 - 2500
Standard connections
Socket weld, Butt weld
Size range(s)
2 - 24'' (50 - 600 mm)
Pressure rating
ASME Class 900 - 2500
Standard connections
Socket weld, Butt weld
Size range(s)
2 1/2 - 24'' (65 - 600 mm)
Pressure rating
ASME Class 900 - 2500
Standard connections
Socket weld, Butt weld

Product line information

If you are using Internet Explorer 6, you may have to right click and select "Save as..." to view downloadable documents.

Product catalogs

Pressure seal and bolted bonnet ( 3121 KB) Document code: PS-2006

Support Material

Valve Magazine: Back to basics ( 342 KB) 5 page(s) Document code: VM-BTB-05



To see more product literature or request print copies, click here.

Contact us