Product
Pup Joint
High-pressure pup joint with FIG hammer-union ends welded to a forged alloy steel pipe body for straight-run manifold lines.
Quick answer
API 6A forged pup joints with FIG ends, 0.5–6 m custom length, 2–20k PSI for HP straight runs.
Key facts
- Product type : Oilfield fitting
- Application : Fracturing / cementing / wellhead
- Country of origin : CN
Pup joint consists of a straight pipe body and FIG standard hammer-union joints at both ends, full-penetration welded. Forged high-strength alloy steel (typically 4130) with no complex internals.
Used for straight sections conveying HP mud, fracturing fluid, crude oil and water. Metal–rubber composite seals on hammer unions; hammer-on make-up. Lengths 0.5–6 m customizable; pressure 2,000–20,000 PSI; bores 1"–6".
FIG200/602/1502 and other ends on request. Companion flanged spacer spools available with API forged flanges. API Spec 6A; NBR/FKM seals; −20°C to +120°C.
Specifications
| Rated Working Pressure | 2,000–20,000 PSI |
|---|---|
| Standard Bore | 1", 2", 3", 4", 6" |
| Effective Length | 0.5–6 m, customizable |
| End Connection | FIG hammer unions (FIG200 / 602 / 1502, etc.) |
| Body Material | 4130 high-strength alloy steel, forged |
| Welding | Full-penetration joint-to-pipe weld |
| Standard | API Spec 6A |
Features
- Full-penetration welded FIG ends
- Custom length and pressure class
- Simple robust construction — no complex internals
- NBR/FKM seal options
- Flanged spacer spool variant available