B.K. Thorpe

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 applications. In 1988, M.A. Stewart & Sons Ltd. entered into a 50% Joint Venture Agreement (JVA) with a Taiwan based valve manufacturer to produce the MAS brand valve solely for M.A. Stewart & Sons Ltd. group of companies. In 2005, the company moved its operations from Taiwan and is currently manufacturing all products in Fuzhou, China. M.A. Stewart & Sons Ltd. offers a trend-setting 3 year limited warranty on all MAS branded products.

Actuators Max-Air/MAS
Max-Air Technology are a leader in automation technology and process control products; they design automation technologies that provide competitive advantages. For over 15 years, Max-Air has engineered improvements and added flexibility and interchangeability features to their Actuation products to provide customers in the chemical, pharmaceutical, food and beverage, power, oil and gas, wastewater, and damper industries with advanced automation solutions. Max-Air’s full line of pneumatic control products—including industry recognized Rack & Pinion actuators—provide solutions for the most complicated flow requirements, including diverting and multi-port flow applications. Their product line is made complete with all of the control accessories required—solenoid valves, limit switches, positioners, and a wide assortment of automation hardware.

Actuators ProMation Engineering
ProMation Engineering’s full line of Industrial Electric Quarter Turn, Linear, and Spring Return Actuators are designed and constructed to reliably meet the demands of industrial, municipal, and process installations and applications. Designed and assembled in the USA allows for quick turnaround of technical assistance and inventory availability.

American Valve
American Valve offers a complete package of pneumatic, hydraulic and electric actuators, manual gear operators and operating nuts for our range of industrial valves. American Valve ball valves clear up flow, prevent leaks, remove unwanted debris, and inhibit build-up, preserving the quality of piping systems and expensive equipment, downstream. Many of American Valve industrial valves are NSF/ANSI 61 and NSF/ANSI 372 certified. American Valve 4000 and 3700 Series Ball valves feature a PFA fused ball that is more durable and less susceptible to accumulating build-up. American Valve unique PFA fused ball helps to lower operating torques, making the 4000 Series an effective alternative to cast iron gates, carbon steel ball valves and plug valves.

Beric-Davis Companies International, LTD. entered the industrial valve market in 1998. At Beric-Davis, their commitment to quality assurance runs deep. They require all of their factory management and employees to adhere to strict quality control standards and their process management is central to assuring each of their valves pass rigid tests and have enduring performance. With offices in Houston, Texas and Wuxi, China, Beric-Davis’ management has a hands-on involvement in every facet of the valve manufacturing process. From casting design to raw material composition, Beric-Davis personnel are involved. Taking leadership in this endeavor means thoroughly reviewing the latest manufacturing processes, imparting sound technical enhancements to comply with published international standards and implementing best practices effectively. Beric-Davis complies with the latest ISO 9001:2008 guidelines.

For more than 80 years, BESTOLIFE® has been the premier compound manufacturer in the petroleum industry, producing the finest quality products for every situation. BESTOLIFE® compounds come in a wide array of lab-tested and field-proven formulations for drilling, production, and industrial purposes. Every application has unique characteristics for use with projects of any size, from the largest to the smallest. They hold up to environmental conditions ranging from high temperatures to high humidity and from arctic blasts to desert heat. BESTOLIFE® compounds include special additives to accommodate your every requirement

Capitol Manufacturing
Piping Components, Forged Steel Fittings and Unions, Branch Outlets, Pipe Couplings, API Couplings, Pipe Nipples, Swage Nipples and Bull Plugs, Oil Country Fittings, Adapters, Standard Pressure Fittings, CAMCO Stainless Steel Fittings and Nipples

Central Plastics
Flange Insulation, HDPE Pipe


Duo-Chek® High Performance Non-Slam Check Valves. Duo-Chek® high performance non-slam check valves are the original Mission Manufacturing Company wafer check valves introduced to the market in the late 50’s. The valve is available in the sizes, pressure classes and configurations required to meet the most demanding of applications. 

Products and services

Flowseal® High Performance Butterfly Valves are a standard in many industries including heating, ventilating and air conditioning, power generation, hydrocarbon processing, water and waste water treatment, and marine and commercial shipbuilding. Flowseal Butterfly Valves are also installed in applications as diverse as food and beverage processing, snowmaking and pulp and paper production. Configurations are available for harsh conditions as well as applications requiring nominal pressure and temperature ratings.

Flowserve Atomac, Flowserve Automax, Flowserve McCanna Marpac, Flowserve Worcester


Check Valves are manufactured in Carbon Steel, Stainless Steel and Cast Iron body materials.

Neway Valve
Neway Valve is one of leading valve manufactures with the advanced valve plant in the world who can cover a complete valve program in order to satisfy the demand and requirements of our clients.The entire manufacturing process is being controlled in-house, starting with our own R&D center, three foundries and high end assembling & testing plant. Neway product range is covering many valve types like: gate, globe, check, ball, butterfly, nuclear, subsea, control, safety valve & wellhead equipment. All the indicated valve range is being operated within different industries. The majority is being used in the oil & gas, offshore, chemical, power, nuclear, mining and air separation industry. Neway is able to provide a complete solution of industrial valves with a fully traceable and in-house quality control system. Neway’s proven stable quality, reliability and performance has been acknowledged by key EPC contractors and end-users and results in many approvals, contracts, frame work & investment agreements.

Since its inception in 1962, Stream-Flo Industries Ltd. has been a leader and innovator in the oilfield sector. Stream-Flo’s first check valves were perfected and marketed in response to a need for high quality products made to perform and endure in the most demanding environments. Stream-Flo continues to be a world industry leader through continuous product development, backed by professional engineers, designers and technicians. Together, they develop, design and produce leading-edge solutions and quality products to make Stream-Flo Industries Ltd. an internationally recognized leader in the check valve industry.