Permanent electrical isolation between pipeline sections to reduce cathodic protection cost and prevent stray-current corrosion.
| Size range | 1/2" to 100" |
|---|---|
| Pressure | Up to 10,000 PSI |
| Insulation resistance | ≥ 200 MΩ |
| Dielectric strength | 5–12 kV AC, 50 Hz |
Quick-opening and threaded closures for pig traps, filters and pressure vessels, with safety interlocks.
| Types | Hinged quick-opening, threaded, bolted |
|---|---|
| Design code | ASME VIII Div. 1 |
| Size range | 2" to 60" |
Barred tees that keep pigs in the main run while maintaining full branch flow.
| Size range | Up to 48" |
|---|---|
| Types | Barred, barrel / flow tees |
| Standards | ASME B16.9, MSS SP-75 |
Skid-mounted pigging systems, pressure vessels and flame arrestors built to project data sheets.
| Scope | Pig launchers & receivers, pressure vessels, flame arrestors, bursting discs |
|---|---|
| Design code | ASME VIII, ASME B31.4 / B31.8 |
Nozzles, special forgings, cladding and fabricated items made to customer drawings.
| Scope | Nozzles, special forgings, weld overlay cladding, fabricated spools |
|---|---|
| Inputs | Customer drawings & data sheets |