Master Flo Valve

What Master Flo Valve does

Master Flo Valve Inc. is a privately held Canadian manufacturer of flow management equipment for the global oil and gas industry, founded in 1979 and headquartered in Edmonton, Alberta, as a subsidiary of the Stream-Flo Group of Companies (founded 1962). The company designs and manufactures choke valves, control valves, and actuation systems for surface, subsea, and offshore topside applications, organized into E-Series Choke Valves (P1E–P10), E-Series and M-Series Control Choke Valves (C1E–C4E, MEZ/MET/MED/MHPS/MHPD/MHPT), Surface Actuation (pneumatic, hydraulic, electro-hydraulic), and Subsea Choke Valves & Actuation (bolted bonnet, diver retrievable, HRV insert retrievable, plus SL2/SL3 stepping actuators). Core technology differentiation rests on a proprietary 5CB Tungsten Carbide material (7.7x better erosion resistance, 2.2x better corrosion resistance), a four-part CSS Cyclical Stem Seal, external sleeve over ported cage trim, the SL3 high-resolution stepping actuator qualified to 2 million cycles, and HES/XP extreme-service trim configurations. Products are rated to API 6A working pressures up to 20,000 psi, temperatures to 800°F, and the Houston facility operates a hyperbaric test system equivalent to 23,000 ft subsea depth.

The company generates revenue through two streams: (1) one-time custom-engineered hardware sales of valves, actuators, and spare trim configured to application-specific pressure, temperature, and fluid specifications, and (2) aftermarket service revenue covering field services, in-shop valve refurbishment, remanufacturing, asset management, performance analysis, and retrofits. Pricing is quote-based with Net 30 terms and 18% annualized interest on overdue accounts; customers apply for credit. The go-to-market is enterprise-direct field sales through a global network of technical sales representatives and service centers covering Canada, the United States, the United Kingdom (Aberdeen remanufacturing hub), the United Arab Emirates, Argentina, Indonesia, Malaysia, and China, with project-channel sales through engineering, procurement, and construction (EPC) firms for major capital projects. End customers are oil and gas production companies (both major operators and unconventional shale producers), injection operations (water, gas, CO2, steam/SAGD), subsea and offshore operators, and natural gas storage operators.

The business is supported by an extensive compliance posture (API 6A since 1993, API 17D, API Spec Q1, ISO 9001, ISO 14001, ISO 45001, NACE MR0175, ISO 15848 fugitive emissions, APEGA Permit to Practice, and Alberta COR) and a portfolio of 27 granted patents across Canada, the United States, the United Kingdom, and the European Patent Office. With 251–500 employees, an 80,000+ sq ft Edmonton manufacturing and R&D campus, and no disclosed external funding, Master Flo operates as a stable, family-owned industrial niche manufacturer with a long-tenured customer base and an aftermarket annuity tied to the installed base of valves.

Name

Master Flo Valve

Legal name

Master Flo Valve Inc.

Website

https://masterflo.com

Company type

Private

Founded year

1979

Operating status

Operating

Headcount range

251–500 employees

Short description

Master Flo Valve Inc. (Edmonton, founded 1979) designs and manufactures choke valves, control valves, and actuation systems for the global oil and gas industry, serving production, injection, subsea, and natural gas storage operators through direct field sales, EPC channels, and a global aftermarket service network.

Ownership category

akta.pro rank

Product category

Industrial Flow Control Valves

NAICS

Industrial Valve Manufacturing (332911), Metal Valve Manufacturing (33291)

SIC

Oil & Gas Field Machinery & Equipment (3533)

akta.pro primary industry

Valves & Cartridge Valves (Directional, Pressure, Flow Control) (IMAHAGAE)

Keywords

• Choke valves
• Flow control valves
• Subsea valve systems
• Oil and gas equipment
• Control valve actuation

Headquarters

HQ city

Edmonton

HQ country

Canada

HQ region

North America

Offices18 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Revenue model

1. Valve Manufacturing and Sales: Master Flo designs and manufactures choke valves, control valves, and actuators for the oil and gas industry. Products are sold directly to energy companies for use in surface, subsea, and offshore applications. Revenue is generated through one-time hardware sales with varying configurations and pressure ratings.
2. Aftermarket Service and Support: Comprehensive service offerings including field services, in-shop valve refurbishment, remanufacturing, asset management, and custom engineered solutions. Services include valve performance analysis, condition evaluation, and customized retrofits and upgrades.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels9 records

Core offering

Master Flo designs, manufactures, and services choke valves, control valves, and actuation systems for surface and subsea oil and gas applications. The core product portfolio centers on the E-Series Choke Valves (P1E–P10), E-Series Control Choke Valves, M-Series Control Valves, Surface Actuation Products, and Subsea Choke Valves & Actuation systems (including SL stepping actuators). The company also provides aftermarket services such as valve refurbishment, remanufacturing, field services, and a free digital valve sizing tool (SizeFlo).

Product overview

Master Flo Valve Inc. is a manufacturer of industrial flow control equipment for the oil and gas industry. The product portfolio centers on the E-Series Choke Valves (P1E through P10 models) and E-Series Control Choke Valves (C1E through C4E models), complemented by the M-Series Control Valves (MEZ, MET, MED, MHPS, MHPD, MHPT). The company offers Surface Actuation Products including pneumatic, hydraulic, and electro-hydraulic actuators, as well as Subsea Choke Valves & Actuation systems including bolted bonnet, diver retrievable, and HRV insert retrievable configurations with SL stepping actuators. Specialty offerings include Masterchoke positive/adjustable chokes, HES (High Erosion Service) and XP (Extreme Service) technology chokes, CSS (Cyclical Stem Seal) high-cycling seals, and 5CB Tungsten Carbide materials. Supporting these products is the SizeFlo digital sizing tool. This is a multi-product portfolio where valves serve as the core offering, with specialized technologies, actuation systems, and software tools enhancing the main product lines.

Differentiator

Problem solved

Functional benefit

Products and services

• E-Series Choke Valves Ported cage and external sliding sleeve choke valves for surface production service in severe conditions including high erosion, high pressure, and extreme temperatures. Models P1E through P10 with pressure ratings up to 20,000 PSI, Max CV from 14 to 1,200, and Max Bean Size from 58 to 494. Targeted at oil and gas production operators.
• E-Series Control Choke Valves Inline control valves for process control service including high-deltaP applications, cavitation solutions, erosive service, critical shut-off applications, and high temperature. Features equal percentage flow trim, low noise, multi-stage trim options, and Class V shut-off. Models C1E through C4E.
• M-Series Control Valves Inline globe valve solutions for process control systems dealing with high temperatures, high pressure differentials, cavitation, and severe service conditions. Includes MEZ, MET, MED, MHPS, MHPD, and MHPT models.
• Surface Actuation Products Range of actuators for precise and reliable control of choke and control valves, including double-acting pneumatic piston actuators, hydraulic piston actuators, rotary stepping actuators, and self-contained low-power electro-hydraulic actuators. Used with surface choke and control valves.
• Subsea Choke Valves & Actuation Subsea choke valves and actuation systems for reducing costs and enhancing production throughout the lifespan of offshore fields. Includes bolted bonnet, diver retrievable, and HRV insert retrievable chokes with SL stepping actuators, designed for deepwater and ultra-deepwater environments.
• Bolted Bonnet Subsea Choke Valves Subsea choke valves engineered for reliability and ease of maintenance in modular-retrieval systems. Available in right-angle, inline, or custom piping configurations with sizes up to 11 inches, Cv rating of 1,700, and pressures up to 20,000 psig at 10,000 feet depth.
• Diver Retrievable Subsea Choke Valves Subsea choke valves engineered for diver retrieval with the ability to retrieve, manipulate, and manually override critical components. Rated for depths up to 10,000 feet with pressure ratings of 5,000 and 10,000 psig.
• HRV Insert Retrievable Subsea Choke Valves Insert retrievable subsea choke valves certified for depths up to 11,000 feet and pressures up to 15,000 psig with tool-retrievable insert design, ROV-operated bonnet clamp, and metal-to-metal seals.
• SL Stepping Actuators Hydraulic rotary stepping actuation systems for subsea chokes featuring lightweight, compact, and powerful design with dual ratchet-pawl system for precise 36-degree rotations. Includes SL2 and SL3 High-Resolution models, with SL3 offering three times the resolution of SL2.
• Extreme Service Chokes (HES and XP) Extreme service choke technology combining E-Series Trim with patented 5CB Carbide and engineered geometry for handling the most erosive conditions. HES (High Erosion Service) and XP (Extreme Performance) variants with field-convertible trim options for well lifecycle management.
• Masterchoke Needle & Seat / Positive choke valve with H2 type profile fully interchangeable with other manufacturers. Available in positive or adjustable models with hammer union connections for wellhead trees, production manifolds, choke and kill manifolds, flow back systems, and injection systems.
• Aftermarket Service and Support Comprehensive aftermarket service offerings including field services, in-shop valve refurbishment, remanufacturing, asset management, valve performance analysis, condition evaluation, and customized retrofits and upgrades. Provided through a global network of service centers for life-of-field support.
• SizeFlo Valve Sizing App Free digital valve sizing tool available for mobile devices and computers, enabling customers to accurately size Master Flo choke valves and control valves. Drives customer engagement and supports product specification.

Quantifiable outcome

• 5CB Tungsten Carbide provides 7.7x better erosion resistance than other tungsten carbides in testing
• +5 more outcomes

Named customers3 records

Segments4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Scale indicators6 records

Recent moves6 records

Expansion highlights6 records

Broad incumbents

• Emerson (Fisher): Emerson's Fisher brand is a market-leading control valve platform for process industries including upstream and midstream oil and gas, serving the same buyer base as Master Flo but with a much broader automation and software portfolio.

Direct peers

• Crane Company: Crane ChemPharma & Energy supplies severe-service and process control valves for oil and gas, refining, and petrochemical applications, overlapping with Master Flo's process control choke valve line.
• Flowserve: Flowserve is a leading manufacturer of industrial valves, pumps, and seals for oil and gas, power, and chemical markets, with overlapping control valve and severe-service valve portfolios targeting Master Flo's M-Series and E-Series lines.
• National Oilwell Varco (NOV): NOV's Production and Midstream segment supplies wellhead, choke, and production equipment used in upstream oil and gas, with overlapping product lines in surface and subsea flow control equipment.
• Velan Inc. Velan is a global manufacturer of industrial valves including severe-service and subsea valves for oil and gas, with comparable product breadth in forged steel and cryogenic valve categories.
• ITT Inc. ITT's Industrial Process segment (including Engineered Valves) manufactures severe-service and modulating control valves for oil and gas and chemical markets, competing with Master Flo in high-pressure, high-temperature applications.
• Cameron (SLB): SLB's Cameron product line is one of the largest direct competitors in surface and subsea choke valves and wellhead equipment for oil and gas production, overlapping directly with Master Flo's E-Series and subsea offerings.
• Baker Hughes: Baker Hughes supplies wellhead, production, and subsea equipment (including Masoneilan control valves) that competes head-to-head with Master Flo across upstream flow control and process applications.
• Mokveld: Mokveld is a Dutch specialist in axial-flow and control valves for high-pressure oil and gas and subsea applications, and is one of the closest direct competitors to Master Flo in severe-service choke valves.
• KOSO Group: KOSO is a Japanese control valve and actuator specialist with a long-standing presence in process and energy markets, competing directly with Master Flo's M-Series control valves and actuation business.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks5 records

Key highlights7 records

Customer concentration

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Compliance10 records

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Master Flo Valve