NPT Forged Full Coupling — Class 3000 & 6000
High-pressure forged female-to-female NPT full coupling for straight inline pipe joints. Machined from solid forgings per ASME B16.11 in Class 3000 and Class 6000 series across 304/304L and 316/316L stainless steel (1/8"–4").
Material options | 304 / 304L / 316 / 316L |
|---|---|
Connection | Female NPT × Female NPT (Full-Length Forged Coupling) |
Pressure class | Class 3000 / 6000 |
Nominal size range | 1/8"–4" (series range) |
Construction | Forged stainless steel per ASME B16.11 (Class 3000 & 6000) |
Size
Product overview
Construction, Pressure Class & Material Grades
Designed with Female NPT × Female NPT (Full-Length Forged Coupling) geometry (Forged stainless steel per ASME B16.11 (Class 3000 & 6000)), this threaded stainless steel fitting joins mating tapered NPT pipe threads along metal-to-metal thread flanks. Machined from forged stainless steel across Class 3000 configurations in 304 / 304L / 316 / 316L stainless steel.
Series Size Coverage & Thread Make-Up
Nominal pipe thread sizes span 1/8"–4" (series range) across the series; available size options and envelope dimensions vary by stainless steel grade. Verify mating NPT thread specifications and consult the dimensional table for the selected size row before ordering.
Technical specifications
Dimensional Reference · Class 3000 · 304/304L & 316/316L Stainless Steel (1/8"–4")
Class 3000 · 304/304L & 316/316L stainless steel · 1/8"–4"
Units: inches
| Specification reference | Nominal Size | A (IN) | B (IN) |
|---|---|---|---|
| CH-F080-013 | 1/8" | 5/8" | 1-1/4 |
| CH-F080-014 | 1/4" | 3/4 | 1-3/8" |
| CH-F080-015 | 3/8" | 7/8" | 1-1/2 |
| CH-F080-016 | 1/2" | 1-1/8" | 1-7/8 |
| CH-F080-017 | 3/4" | 1-3/8" | 2 |
| CH-F080-018 | 1" | 1-3/4 | 2-3/8" |
| CH-F080-019 | 1-1/4" | 2-1/4" | 2-5/8" |
| CH-F080-020 | 1-1/2" | 2-1/2 | 3-1/8 |
| CH-F080-021 | 2" | 3" | 3-3/8 |
| CH-F080-022 | 2-1/2" | 3-5/8 | 3-5/8" |
| CH-F080-023 | 3" | 4-1/4" | 4-1/4 |
| CH-F080-024 | 4" | 5-1/2" | 4-3/4 |
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