We supply high-quality NPT to Pg thread adapters designed to connect NPT-threaded components with Pg-threaded entries in a clean and reliable way. These adapters allow seamless transitions between NPT-threaded equipment and Pg-threaded enclosures, helping ensure proper fit, alignment, and secure installation.
All products are selected for dependable performance, dimensional accuracy, and long service life, supporting consistent operation in industrial, mechanical, and electrical environments.
Material Options:
Brass: Suitable for demanding applications requiring strength and durability
Impact-resistant plastic: Lightweight, corrosion-resistant, and cost-effective for general use
Available Sizes:
NPT to Pg thread sizes from 3/8”NPT to 1 ½”NPT, compatible with standard Pg cut-outs and entries
These adapters are well suited for industrial, mechanical, and electrical installations where NPT to Pg thread compatibility and reliable panel connections are required.
NPT to PG Thread Selection Chart
| Male Thread (from) | Female Thread (to) | Part No. (Brass) | Part No. (Plastic) |
|---|
| 3/8”NPT | Pg9 | — | 193.411^ |
| 1/2”NPT | Pg9 | 194.421 | — |
| 1/2”NPT | Pg11 | 194.422 | — |
| 1/2”NPT | Pg13.5 | 194.423 | 193.423^ |
| 1/2”NPT | Pg16 | 194.424 | — |
| 3/4”NPT | Pg16 | 194.434 | — |
| 3/4”NPT | Pg21 | 194.435^ | 193.435^ |
| 1”NPT | Pg16 | 194.444^ | — |
| 1”NPT | Pg21 | 194.445 | — |
| 1”NPT | Pg29 | 194.446 | 193.446^ |
| 1 ¼”NPT | Pg36 | — | — |
| 1 ½”NPT | Pg42 | — | 193.468^ |
Define your specific control requirements when contacting us such as thread sizes, materials, and intended application and we will provide exactly what you need.