NPT Reducing Hex Nipple (Male × Male) — Class 150, 316 Stainless Steel
Stepped male-to-male NPT reducing hex nipple with center wrench flats for connecting two unequal female NPT ports. Supplied in Class 150 316 stainless steel across reducing sizes from 1/4" × 1/8" to 1" × 3/4".
Material options | 316 stainless steel |
|---|---|
Connection | Large Male NPT × Small Male NPT (Reducing Hex Nipple) |
Pressure class | Class 150 |
Nominal size range | 1/4" × 1/8" to 1" × 3/4" |
Construction | Cast 316 stainless steel stepped double-male nipple with center hex flats (Class 150) |
Size
Product overview
Construction, Pressure Class & Material Grades
Designed with Large Male NPT × Small Male NPT (Reducing Hex Nipple) geometry (Cast 316 stainless steel stepped double-male nipple with center hex flats (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 1/4" × 1/8" to 1" × 3/4" 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 (1/4" x 1/8"–1" x 3/4")
Class 150 · 316 stainless steel · 1/4" × 1/8" to 1" × 3/4"
Units: inches
| Specification reference | Nominal Size | Length (P) |
|---|---|---|
| CH-F099-001 | 1/4" x 1/8" | 1.25"-1.50 |
| CH-F099-002 | 3/8" x 1/4" | 1.25-1.50 |
| CH-F099-003 | 1/2" x 1/4" | 1.75-2.00" |
| CH-F099-004 | 1/2" x 3/8" | 1.75"-2.00" |
| CH-F099-005 | 3/4" x 1/4" | 1.75"-2.00" |
| CH-F099-006 | 3/4" x 1/2" | 1.75"-2.00" |
| CH-F099-007 | 1" x 1/2" | 1.85-2.15 |
| CH-F099-008 | 1" x 3/4" | 1.85"-2.15" |
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