Pressure vessel and tank fabrication
Grazco, LLC fabricates, welds, and repairs pressure vessels and tanks in the Houston shop, and welds the high-pressure pipe that ties into nozzles and saddles. Customers looking for pressure vessel and tank fabrication, custom pressure vessels, or pressure vessel welding and repair can put that scope with the same crew that already builds process piping.
When the specification calls for ASME boiler and pressure vessel construction, we weld to the procedures and NDT the job requires, including X-ray, and coordinate with the customer's authorized inspector. This page does not publish a stamp number. Tell us the code, the inspector, and whether the work is new fabrication, weld repair, or nozzle and piping tie-in.
High-pressure pipe and vessel fabrication stays in one conversation: the vessel, the nozzle welds, and the piping spool. Boiler and pressure-vessel repair, when the scope is weld repair and associated piping rather than a new boiler, is quoted the same way.
What to send with a vessel inquiry
Drawings, design conditions, material, and whether an authorized inspector is already assigned. Shop fabrication covers shells, nozzles, saddles, and repads we can fit and weld here. Field weld-out is the field installation crew.
The pipe side of the same package is process piping and spool fabrication and oil and gas process piping. Procedures are on the X-ray TIG, GMAW, and sub-arc page. Exotic materials are specialty alloys.
What we handle
- Custom pressure vessels and tanks
- Pressure vessel welding and repair
- Nozzles, saddles, and repads
- High-pressure pipe tied to vessels
- Boiler and pressure-vessel weld repair
- X-ray and other NDT when specified
- Shop fabrication and field tie-in
- Carbon, stainless, and specialty alloys
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