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From corrosion resistant stainless steel & high alloy valves, to high pressure steam, liquor and digester valves, M.A. Stewart & Sons Ltd. provides all manner of the valves and automation for the Pulp & Paper and recycle industries.
M.A. Stewart & Sons Ltd. provides Butterfly valves in Resilient Seated and High Performance designs in stainless steel, cast iron, and ductile iron bodies with various seat materials including EPDM, Viton, PTFE, Buna, metal-seated etc. in both wafer and lug configurations.
M.A. Stewart & Sons Ltd. can supply Ball valves with various industry certifications such as CSA/CGA 3.16, API-607, UL, FM, and more. Many of our Ball valves come standard with ISO mounting pads for easy actuation; please contact us for actuation options.
M.A. Stewart & Sons Ltd. stocks Check valves in designs such as Swing, Piston, Weight-and Lever, Tilting Disc, Wafer, and Silent Globe style check valves; many are designed to industry standards such as API-602 and API-6D.
M.A. Stewart & Sons Ltd. provides a selection of Gate valves designed to industry standards such as API-600, API 602, API-603, B16.34 in full bore, thru conduit, and can be operated manually, gear operated or automated.
M.A. Stewart & Sons Ltd. (MAS) has developed a full line of private label “MAS” valves, including Brass, Bronze, Carbon, Low Alloy and Stainless Steel Ball and Butterfly valves. Special options include NACE, API 607 Firesafe, ASME B16.34, CSA, NSF in NPT & solder, as well socket weld, butt-weld & flanged end connections for industrial ...
Company Overview - M. A. Stewart & Sons Ltd. In June 1955, at the request of Melville Alexander (“Red”) Stewart, Roy Hardy opened M. A. Stewart & Sons Ltd. (“ ”) for business. Roy sourced the products, found the customers, kept the books, answered the phone, and handled the logistics necessary to lay the groundwork for what would become ...
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Welcome, and thank you for visiting the M. A. Stewart & Sons Ltd. (“MAS”) website. As you go through our website you will see the vast array of products and services we provide. I am confident you will get a sense of the passion we have for satisfying our customers. We do this by:
M.A. Stewart & Sons Ltd. offers strainers in Basket, Y, Simplex, and Duplex configurations with multiple mesh and perforations options for each. Strainers can come in stainless steel, cast iron, ductile iron, carbon steel, and meshes come in 304 or 316 stainless steel options with various perforations. Please contact us to ask about available ...
