Velan's gate, globe and check range covers pressure seal bonnet designs for high-class service, bolted bonnet patterns for general process duty, and forged small-bore valves for high-pressure lines. The common thread is heavy construction and conservative design, which is why used examples retain value.
When these valves come out of a power station overhaul or a refinery turnaround, they are usually complete and usually tagged. The main inspection points are the pressure seal area on high-class valves, the stem and packing box, and the seat condition.
Brand disclosure. Velan is a trademark of its respective owner. Louisiana Valve Buyer is an independent purchaser of surplus equipment and is not affiliated with, authorised by, sponsored by or endorsed by Velan or its owner. We do not provide manufacturer service, repair authorisation, calibration, pressure certification or product compatibility statements.
Inspection points
What decides the price
Pressure seal area
On high-class valves, the pressure seal joint is the critical inspection point. Note any evidence of leakage.
Stem and packing
Bent stems and corroded packing boxes reduce value quickly. Photograph the stem over its full travel.
Certification
Material and pressure test certificates carry real weight on high-class valves.
What to send
Making the review quick
A wide photograph of the whole unit, a close photograph of the valve nameplate, and the model number if you have it. If there are several identical units, one set of photographs and a quantity is enough.
If the equipment is already separated, keep the parts together and label them as a set. A matched pair is worth more than two orphans.
Questions sellers ask
Do you buy pressure seal valves?
Yes, particularly in Class 900 and above, where the castings are valuable.
What about valves with no certificates?
They can still be bought, but the price reflects the missing traceability.