NPT Hex-Head Pipe Plug — Class 150, 316 Stainless Steel
External hex-head male NPT pipe plug for sealing female-threaded ports, manifold bosses, and gauge tappings with standard wrench access. Supplied in Class 150 316 stainless steel across nominal sizes from 1/8" to 3".
Material options | 316 stainless steel |
|---|---|
Connection | Male NPT Thread with External Hex Wrench Head |
Pressure class | Class 150 |
Nominal size range | 1/8"–3" |
Construction | Cast 316 stainless steel plug with flanged external hex head (Class 150) |
Size
Product overview
Construction, Pressure Class & Material Grades
Designed with Male NPT Thread with External Hex Wrench Head geometry (Cast 316 stainless steel plug with flanged external hex head (Class 150)), this threaded stainless steel fitting joins mating tapered NPT pipe threads along metal-to-metal thread flanks. Manufactured as a 150 lb investment-cast stainless steel fitting series in 316 stainless steel stainless steel.
Series Size Coverage & Thread Make-Up
Nominal pipe thread sizes span 1/8"–3" 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 150 · 316 Stainless Steel (1/8"–3")
Class 150 · 316 stainless steel · 1/8"–3"
Units: inches
| Specification reference | Nominal Size | Hexagon Head Length (H) | Hexagon Head (I) |
|---|---|---|---|
| CH-F088-001 | 1/8" | 0.67" | 0.55 |
| CH-F088-002 | 1/4" | 0.71" | 0.67" |
| CH-F088-003 | 3/8" | 0.93 | 0.83" |
| CH-F088-004 | 1/2" | 1.10" | 1.02 |
| CH-F088-005 | 3/4" | 1.10" | 1.26" |
| CH-F088-006 | 1" | 1.34" | 1.50" |
| CH-F088-007 | 1-1/4" | 1.38" | 1.81" |
| CH-F088-008 | 1-1/2" | 1.42" | 2.05" |
| CH-F088-009 | 2" | 1.48 | 2.56" |
| CH-F088-010 | 2-1/2" | 1.58" | 3.15" |
| CH-F088-011 | 3" | 1.77" | 3.74" |
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