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The MACOMB GROUP 0311540009 coupling, Model 1166, is a Class 300 pressure class fitting with a 3 IN nominal size and FNPT connection type. Constructed from malleable iron conforming to ASTM A197, it features an XH schedule and a galvanized finish per ASTM A153. It is suitable for applications requiring a maximum pressure of 1000 PSI and temperatures ranging from -20 to 150 DEG F.
This coupling is ideal for connecting pipes in plumbing and industrial applications, ensuring secure and reliable performance under pressure.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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