News Related to "Uncategorized"


31 May 2022 I am pleased to announce that M.A. Stewart & Sons Ltd., has been appointed as the Exclusive Master Distributor by KF Valves LLC for the territory of Canada, effective 1 June 2022. For over 60 years, KF Valves have been a globally recognized, American manufacturer of valves and solutions designed to meet the critical requirements of the oil and gas, power generation, refining, and petrochemical industries. KF has been a major contributor in trunnion ball valves within the Canadian market, having an extensive install base and being widely accepted by many well-known major end users. We at… 

M.A. Stewart & Sons Ltd are pleased to introduce our complete line up of FCC Knife Gate Valves

An introduction to the KITZ group


M.A. Stewart & Sons Ltd are pleased to announce the arrival of the new:MAS B-1-F-LF-SS (NPT) and B-2-F-LF-SS (solder), ALL IN-ONE BRASS BALL VALVE. Made of LEAD FREE DZR BRASS, complete with 316 STAINLESS STEEL BALL & STEM, this all in-one series valve is designed to MSS SP-110 and certified to latest CSA LEAD FREE B125.14-17, NSF 61/372, CSA Gas, 3.16/125G, ½ PSI, 5G and is cUL LISTED FOR CANADA (7 designation) for multiple services, including FLAMMABLE LIQUID SHUT OFF.

World Plumbing Day

Join M.A. Stewart & Sons in celebrating the important contributions of our industry on World Plumbing Day, March 11. CIPH World Plumbing Day World Plumbing Day

Industrial Valve Special

Industrial Valve Special All quantities stock, subject to prior sale Contact your local MAS locations for further details.