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The MACOMB GROUP 0311539803 coupling, from the Model 1166 series, is a Class 300 pressure class fitting with a 2-1/2 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 designed to withstand a maximum pressure of 1000 PSI and temperatures ranging from -20 to 150 DEG F.
This coupling is compliant with ASME B16.3 and ASME B1.20.1 standards, C/US UL Listed, FM Approved, and NSF/ANSI 61 Certified.
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