Fitting Plug 1 1/4"" Square Head

Fitting Plug 1 1/4"" Square Head

This Class 150 malleable iron plug provides a durable solution for sealing unused ports in the hydraulic, water, or air systems of concrete mixers. Sized at 1 1/4 inches with Male National Pipe Taper (NPT) threads, it ensures a tight, leak-proof fit. The square head is designed for easy installation and removal with a standard wrench, making it ideal for maintenance, repair, and system modifications on heavy equipment. Its robust construction is suitable for handling pressures up to 150 PSI and is rated for use with air, water, steam, and oil.

Key Features

• 1 1/4" Male NPT (National Pipe Taper) threads for a secure seal.
• Square head for easy installation and removal with a wrench.
• Constructed from black malleable iron for high tensile strength.
• Class 150 fitting, suitable for working pressures up to 150 PSI.
• Meets ASTM A197 and ASME B1.20.1/B16.3 standards.

Fits These Mixers

McNeilus, Terex, Con-Tech. This is a general-purpose fitting used to plug 1 1/4" NPT female ports in various systems on concrete mixer trucks from brands like McNeilus, Terex, and Con-Tech. It is commonly used in hydraulic reservoirs, water systems, and air lines where a port needs to be securely sealed.

All measurements ± standard manufacturing tolerance.

Product descriptions are drafted with automated tools and reviewed as time allows. While we work to keep them accurate, specifications and fitment should be confirmed with a Customer Service specialist at 800-745-3414 before purchase. Found an error? Let us know and we’ll fix it.