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Products – Pipe fittings

Class 150 and 300 Malleable Iron Pipe fittings available in both black and galvanized in a wide range of types and sizes (1/8″ – 6″). Malleable iron pipe fittings can be used in many different applications including steam, air, water, gas, oil, and several other fluids.
To obtain catalogue information on malleable fittings, please contact our Literature Department.

Malleable iron pipe fittings supplied by M. A. Stewart & Sons are manufactured to the following standards:
Material: ASTM A-197
Dimensions: ANSI B16.3 (Ground Joint Unions: B16.39)
Threads: ANSI B1.20.1

CRN numbers, ISO 9000 certificates and quality assurance manual available on request




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