NPT Plugs for Hydraulic Systems | Irish Engineering Supplies

NPT Plugs for Hydraulic Systems | Irish Engineering Supplies

NPT plugs are essential components for sealing and blanking off ports in hydraulic, pneumatic, and mechanical systems. Designed for use with National Pipe Taper (NPT) threads, these plugs are widely used by engineers, mechanics, and agricultural professionals across Ireland. Our range includes various sizes to suit different applications, ensuring a secure and leak-resistant fit for your equipment and pipework.

Key features & uses

  • NPT plugs provide reliable sealing for unused ports or pipe ends. Commonly used in hydraulic, engineering, and workshop settings, they help prevent leaks and contamination. Available in multiple sizes to match standard NPT threads.

Related categories

Filters

Connection 1

NPT male thread, tapered

Construction type

blanking socket
blanking socket, with hexagon socket

Customs tariff number

73079910

G1

1.1/4 -11.5 NPT
NPT 1 -11.5
NPT 1.1/2 -11.5
NPT 1.1/4 -11.5
NPT 1/2 -14
NPT 1/4 -18
NPT 1/8 -27
NPT 2 -11.5
NPT 3/4 -14
NPT 3/8 -18

L1

12 mm
16 mm
20 mm
27 mm
28 mm
36.5 mm
38.5 mm
43 mm
43.5 mm

Material

steel

S1

6
8
10
12
17
22
24

SW

12 mm
17 mm
22 mm
27 mm
36 mm
46 mm
50 mm
65 mm

Sealing form 1

thread seal

Standard

SAE J 514
SAE J 531

Surface

electro galvanised

Type

straight
FAQ

Frequently asked questions