574.200 Threaded pin gauges for tapered GAS thread B.1.20.1 American NPT of your choice
(Incl. Tax: €117.12)
The Threaded Plug for Tapered GAS Thread B.1.20.1 American NPT is a precision instrument used to verify the conformity of tapered threads according to the NPT standard. Ideal for industrial and plant applications, it allows to guarantee a hermetic seal and an effective sealing in fittings and pipes. Made for precise measurements, this plug is essential to check the quality of the threads and ensure the perfect fit of the components.
Hardness: 58 HRC ±2
Available on request: Accredia certification and calibration report, click here for price and delivery.

The Threaded Plug for GAS Tapered Thread B.1.20.1 American NPT is a precision tool designed for the control and verification of tapered threads according to the NPT (National Pipe Tapered) standard. Primarily used in the piping industry, this plug ensures the correct compliance and accurate adaptability of fittings with tapered GAS threads.
The GAS tapered thread is a type of thread designed to provide an airtight seal, particularly suited for applications requiring resistance to pressure and leakage. The plug, with specifications B.1.20.1, is built for high-precision measurement, meeting the highest quality standards and ensuring an effective seal in industrial and piping applications.
With the NPT thread, the plug is compatible with international standards used in American-style piping and fittings and is essential for verifying compliance during production and maintenance phases. This tool allows testing the integrity of threads and identifying any defects or irregularities, ensuring the proper functioning of piping systems.
Ideal for industrial environments, the threaded plug is an indispensable tool for professionals working with piping systems, ensuring quality standards, precision, and reliability in inspection and maintenance operations.
NPT Taper Thread Plug Gauges – ANSI B1.20.1
| Parameter | Value |
|---|---|
| Standard | ANSI B1.20.1 |
| Thread type | NPT taper |
| Material | Hardened steel |
| Hardness | 58 HRC ±2 |
| Function | Go / No-Go |
- Brand:
- TADAAH
- Application:
- NPT
- Typology:
- Tapered threaded gauge
