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NPT 1" Tapered Plug

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€4.25

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Quantity

pcs

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Darmowa przesyłka od 100 zł

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Manufacturer: HYDRON hydraulika siłowa (go to products)

Shipping time: 24 hours

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from €3.62 - GLS Courier (Poland)

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NPT 1" Tapered Plug

The professional NPT 1" tapered plug is designed for durable and hermetic sealing of ports and holes in advanced power hydraulics, pneumatics, and industrial installations. This precision component is ideal for industrial machine bodies, valve blocks, manifolds, and actuators operating in harsh environments. Thanks to the use of an external tapered thread made according to the American ANSI/ASME B1.20.1 standard, the element guarantees reliable protection against leakage of working fluid under high pressure. The manufacturing standard based on rigorous technical norms ensures full assembly repeatability and a long service life for the entire hydraulic joint.

Application and technical characteristics

The NPT 1" tapered plug is dedicated to working in stationary and mobile hydraulic systems, where the working medium is mineral oils, synthetic oils, fuels, and gases. The design is characterized by high resistance to nominal pressures reaching 350 or 400 bar, depending on the body version. The connection is sealed directly on the tapered thread with a 60-degree profile angle and a 1:16 taper, which ensures self-locking tightness during tightening. The component body is manufactured from precisely machined free-cutting steel protected with an anti-corrosive, galvanic zinc coating, which guarantees high resistance to mechanical damage and corrosion. To achieve full hermeticity in high-pressure installations, it is recommended to use Teflon tape or dedicated anaerobic sealants from the category power hydraulics adhesives, instant adhesives.

Why choose our components?

By choosing our components, you invest in elements that meet strict industrial standards, which translates into the reliability of high-pressure installations. Precise thread execution according to the ANSI/ASME B1.20.1 standard ensures a perfect fit in machine ports, eliminating the risk of internal thread damage in expensive bodies. The use of free-cutting steel with a zinc coating protects the element from oxidation in the external environment. Additionally, to comprehensively protect the system against contamination and loss of medium, it is worth checking our threaded plugs and caps, choose appropriate thread reducers - differential bushings or stock up on seamless precision tubes, which guarantees the full reliability of every industrial installation.

Dimension table and technical parameters

Thread size (E)	Pitch (threads / inch)	Outer thread diameter (mm)	Profile angle
1/8" NPT	27	9,7 – 9,9	60°
1/4" NPT	18	13,6 – 13,9	60°
3/8" NPT	18	16,3 – 16,6	60°
1/2" NPT	14	20,5 – 20,9	60°
3/4" NPT	14	26,1 – 26,4	60°
1" NPT	11,5	33,0 – 33,4	60°
1.1/4" NPT	11,5	41,5 – 41,9	60°
1.1/2" NPT	11,5	47,4 – 47,8	60°
2" NPT	11,5	59,2 – 59,6	60°

Frequently Asked Questions (FAQ)

1. How does the seal work in an NPT 1" tapered plug?

The seal relies on direct contact of the tapered thread turns with a 60-degree angle and a 1:16 taper. During screwing, wedging and self-locking of the surfaces occur, which blocks the flow of the pressurized medium.

2. Are additional sealing agents required for the installation of an NPT 1" plug?

Yes, due to the specification of tapered threads in high-pressure installations, it is recommended to use Teflon tape or a professional anaerobic sealant to guarantee full hermeticity.