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Description
Technical data for the NPT 1.1/2-11.1/2 die
| Technical data | ||
|---|---|---|
| Nominal diameter d1 inches/mm | NPT 1 1/2- 11.1/2 inch | 42.16 mm |
| Thread pitch P inches/mm | 11.1/2 threads per inch | 2.20 mm |
| Outside diameter d2 | 76 mm | |
| Thickness h1 | 25 mm | |
| Number of chip clearance holes | 9 | |
| Required shaft diameter | 48.87mm | |
| Thread angle G | 60° | |
| Thread standard | ANSI/ASME B1.20.1 DIN 24230 | |
NPT 1.1/2-11.1/2 HSS die – taper pipe die for threading large-diameter pipes
The NPT 1.1/2 die is a professional tool for cutting external taper pipe threads with a diameter of 1 and 1/2 inch and a pitch of 11.5 threads per inch. Made of high-speed steel (HSS) in accordance with DIN 24230 and ANSI/ASME B1.20.1, it is designed for threading pipes in industrial systems with high flow capacity.
Key advantages of the NPT 1.1/2 pipe threading die
- Leak-tight connections in large-diameter pipelines – a 1:16 taper and a 60° thread angle ensure leak-tightness in high-pressure systems up to 700 bar
- Designed for industrial systems – ideal for pipelines in power generation, petrochemical facilities, and manufacturing plants
- Reliability in hydraulic and pneumatic systems – proven in compressed air, oil, and industrial gas mains
- Strength of HSS steel – allows machining of carbon steels, copper, and brass with tensile strengths up to 800 MPa
- Compliance with DIN 24230 and ANSI/ASME B1.20.1 – ensures compatibility with American piping standards
The NPT 1.1/2 taper pipe die is used in heavy industry, industrial hydraulic service shops, and the construction of large-size piping systems. This inch taper thread size is used in main supply lines and distribution manifolds.
This hydraulic threading tool is chosen by industrial installers and maintenance engineers carrying out projects that require reliable pipe connections. Order the NPT 1.1/2 die for professional threading of large-diameter pipes.
Frequently asked questions
The tool is used in power generation and petrochemical pipelines and industrial hydraulic systems. The large diameter is suitable for mains with high flow capacity.
The NPT thread with a diameter of 1 and 1/2 inch has a pitch of 11.5 threads per inch. This value is fixed for this size according to the ANSI standard.
HSS allows threading of copper, brass, and carbon steels. These materials must not exceed a tensile strength of 800 MPa.
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Shipping
All orders are delivered by courier company GLS. For orders exceeding 369 PLN gross shipping is FREE
| Courier GLS | Przelew24 / Prepayment | 14,76 zł gross | Delivery time 1 working day |
| Courier GLS | Cash on delivery | 17,26 zł gross | Lead time 1 working day |
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