What Moniteur Devices does

Moniteur Devices Inc. is a privately held, family-owned industrial manufacturer founded in 1992 and headquartered in Cedar Grove, New Jersey. The company designs and builds valve position indicators (VPTs), valve monitoring systems, rotary limit switches, and valve positioners used on automated quarter-turn and linear valves in severe-service process environments. Its product platform spans the Sentinel, Watchman, Survivor, Guardian, and Companion VPT families for rotary and linear applications, the Series 40/41 pneumatic and electro-pneumatic positioners, the Series 71 and SS2 smart positioners with HART/Profibus/Foundation Fieldbus support, and encapsulated network interface cards for ASi, DeviceNet, and Profibus DP plant networks. A patented Loc-Ring Cam and Shaft Retention System underlies multi-million-cycle sensing accuracy across the VPT line, and 63+ rotary bracket kits plus linear bracket kits enable mounting compatibility with all major actuator OEMs. Products carry UL, CSA, ATEX, and IECEx hazardous-area certifications alongside ISO 9001:2015 quality certification, and ship worldwide.

The company sells directly to engineering, procurement, and operations teams in oil & gas, petrochemical, power generation, pharmaceutical, and specialty chemical industries through a factory-direct sales model with live technical support and quote-based pricing. Revenue is generated almost entirely through unit hardware sales of VPTs, positioners, networking cards, and bracket/accessory kits, with spare parts and customization options (Schedule 12 Rev A price list, effective January 2023) providing a recurring aftermarket tail. Distribution is direct to end users globally, supplemented by trade show presence (e.g., Valve World) and downloadable technical literature. No external investors, subsidiaries, or M&A activity are disclosed, and the company is independently operated.

Name

Moniteur Devices

Legal name

Moniteur Devices Inc.

Website

https://moniteurdevices.com

Company type

Private

Founded year

1992

Operating status

Operating

Headcount range

11–50 employees

Short description

Moniteur Devices is a family-owned U.S. manufacturer of valve position indicators, smart valve positioners, and industrial networking accessories, selling factory-direct to engineering and procurement teams in oil & gas, petrochemical, power, pharmaceutical, and specialty chemical process industries worldwide.

Ownership category

akta.pro rank

Product category

Industrial Valve Position Indicators and Positioners

NAICS

Other Measuring and Controlling Device Manufacturing (334519), Industrial Valve Manufacturing (332911)

SIC

Industrial Instruments For Measurement, Display, And Control (3823), Measuring & Controlling Devices, Nec (3829)

akta.pro primary industry

Seals, Valves & Auxiliary Components (for Pumps/Compressors) (IMAHANAH)

Keywords

• Valve position indicators
• Valve positioners
• Valve monitoring systems
• Rotary limit switches
• Process automation components

Headquarters

HQ city

Cedar Grove

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Valve Position Transmitters (VPTs): Sale of valve position indicator products including rotary position solutions (Sentinel, Watchman, Survivor series) and linear position solutions (Guardian, Companion). Products provide visual indication, electrical feedback, and junction box functionality for automated valves.
2. Valve Positioners: Sale of pneumatic and electro-pneumatic positioners including Series 40/41, Series 71 Smart Positioner, and Series SS2 Smart Positioner for precision valve control.
3. Valve Networking Solutions: Sale of network interface products for ASi, DeviceNet, and Profibus DP protocols enabling integrated valve monitoring within plant control systems.
4. Bracket Kits and Accessories: Mounting bracket kits for actuators, spare parts including switches and sensors, and customization options for specific actuator models.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

Moniteur Devices manufactures and sells valve position indicators (VPTs) for rotary and linear automated valves, smart and pneumatic valve positioners, and networking interface cards for protocols such as ASi, DeviceNet, and Profibus DP. Products are designed for severe-service and hazardous-area environments in process industries and are supported by an extensive line of mounting bracket kits compatible with 60+ actuator brands.

Product overview

Moniteur Devices is an ISO 9001:2015 certified manufacturer specializing in valve position indicators (VPTs), rotary limit switches, valve monitoring systems, and valve positioners for automated valves. The product portfolio is organized into three main categories: Valve Position Transmitters including the Sentinel, Watchman, Survivor, and Guardian/Companion lines for linear applications; Valve Positioners including the Series 40/41 pneumatic/electro-pneumatic positioners and Series 71/SS2 smart positioners with communication protocols; and Valve Networking solutions supporting ASi, DeviceNet, and Profibus DP protocols. Supporting products include bracket kits for over 60 actuator brands, spare parts, and various switch/sensor options. The company serves severe service applications in oil & gas, petrochemical, power generation, pharmaceutical, and specialty chemical industries.

Differentiator

Problem solved

Functional benefit

Products and services

• Sentinel VPT Valve position transmitter for rotary quarter-turn valves that provides visual indication, electrical feedback, and junction box functionality for switches and solenoids, available in general purpose, severe service, hazardous area, and high cycle life configurations for process industry valve monitoring.
• Sentinel-S3 ATEX Explosion-proof version of the Sentinel VPT with ATEX/IECEx certifications for hazardous-area rotary valve monitoring applications in process plants.
• Sentinel-II VPT Enhanced rotary valve position transmitter with improved specifications over the original Sentinel platform, providing visual indication and electrical feedback for quarter-turn valves.
• Watchman VPT Valve position transmitter designed for general purpose and hazardous-area rotary valve applications with visual position indication capabilities.
• Survivor VPT Zytel thermoplastic enclosure rotary valve position transmitter engineered for corrosive environments, rated NEMA 4, 4X, 7 and 9 for chemical and harsh process applications.
• Survivor II VPT Second-generation Survivor VPT with improved Zytel thermoplastic enclosure for rotary valve position indication in corrosive process environments.
• Indicateur VPT Visual indicator-style rotary valve position transmitter that provides position indication for quarter-turn valves with multiple path options (O, T, F, S configurations).
• Guardian Linear VPT Explosion-proof valve position transmitter designed for linear control valves, knife-gate valves, and rotary valves in hazardous areas, with die-cast aluminum enclosure, NEMA 4/4X/7/9 rating, and multiple conduit entry options.
• Companion VPT 316 stainless steel proximity limit switch for linear control valves with hermetically sealed tungsten or rhodium contacts, rated for Class I Division 1 and Class II Division 1 hazardous areas and minimum 800,000 cycles at full load.
• Series 71 Smart Positioner Smart valve positioner for harsh environments featuring HART, Profibus, and Foundation Fieldbus communication options, auto-calibration, programmable characteristic curve with 17 points, and IP66/Type 4X enclosure rating.
• Series 40/41 Valve Positioner Pneumatic (3-15 psi) Series 40N and electro-pneumatic (4-20 mA) Series 41N valve positioners with magnetic torque motor I/P compensation for precision pneumatic valve control.
• Series SS2 Smart Positioner Smart valve positioner with HART, Profibus, and Foundation Fieldbus communication options, ATEX and IECEx intrinsic safety certification (Ex ia IIC T5/T6), and optional stainless steel enclosure for hazardous-area service.
• Dribble Control (Dual Stage) Two-stage shutoff valve package incorporating ASCO solenoid valves for filling or metering vessels and flow dampening, available in general purpose NEMA 4/4X or explosion-proof NEMA 4/4X/7/9 configurations.
• Three Position D3D Three-position valve controller for double-acting pneumatic actuators enabling sophisticated three position control, including mid-position settings for 90/120 degree and 180 degree valves.
• Rotary Bracket Kits Mounting bracket kit line for attaching VPTs and valve monitors to pneumatic actuators, offered in plated steel and stainless steel with NAMUR and standard shaft configurations and compatible with 60+ actuator brands including Bettis, Bray, Rotork, and Fisher.
• Linear Bracket Kits Stainless steel bracket kits for mounting VPTs to linear actuators including Dynaflo DFC/DFO and Fisher 657/667 series, with fully adjustable mounts.
• ASi Valve Monitoring ASi (Actuator-Sensor Interface) network interface card and valve monitoring solution that adapts automated valves to ASi v2.1 networks with up to 62 nodes, Hall effect position sensors, and two transistor outputs at 4.8W @ 24VDC.
• DeviceNet Valve Monitoring DeviceNet-based valve monitoring solution using encapsulated interface cards based on the CAN protocol, supporting up to 64 nodes at 125K, 250K, and 500K bit/sec baud rates for integration with plant control networks.
• Profibus DP Monitoring Profibus DP network interface and valve monitoring solution using encapsulated Profibus DP interface cards to adapt automated valves to Profibus DP plant networks for distributed control system integration.

Quantifiable outcome

• Products provide longer service life and lower operating costs over product life

Segments5 records

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration5 records

Feature5 records

Scale indicators4 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Samson Controls: Samson Controls manufactures control valves, actuators, and smart valve positioners (Series 3725, 3730, TROVIS) for chemical, petrochemical, and power plants. Its TROVIS and Type 3730 smart positioners compete head-to-head with Moniteur's Series 71 and SS2 smart positioners in refining and chemical applications.
• Westlock Controls (Crane Co.): Westlock Controls, now part of Crane's process flow technologies segment, manufactures valve position monitors and hazardous-area limit switches for process industries. It is one of Moniteur's closest direct competitors, with overlapping rotary/linear VPT product lines serving the same oil & gas, chemical, and power customers.
• Bürkert: Bürkert designs fluid control systems, solenoid valves, process controllers, and pneumatic/electropneumatic valve positioners. Its Type 8792/8793 positioners directly compete with Moniteur's Series 40/41 and Series 71 platforms in process, hygienic, and chemical dosing applications.
• Topworx (Emerson): Topworx, an Emerson subsidiary, makes valve position indicators, proximity sensors, and hazardous-area switches for automated valves. Its GO Switch, DXP, and 7-9-11 series directly compete with Moniteur's Sentinel, Watchman, and Survivor VPT lines in the same process-industry segments.
• Rotork: Rotork is a global leader in electric and pneumatic valve actuators that also sells valve position indicators, gear operators, and network interface cards for process plants. Its actuator-integrated position feedback and IQ/CP series indicators directly overlap Moniteur's VPT-and-bracket kit offering for the same end users.
• Biffi Italia (Emerson): Biffi Italia, an Emerson subsidiary, makes electric, hydraulic, and pneumatic valve actuators with integrated position feedback and control accessories. Its actuator-mounted position indication and control electronics overlap with Moniteur's valve networking and positioner portfolio for the same oil & gas and pipeline end users.

Broad incumbents

• Spirax Sarco: Spirax Sarco specializes in steam and industrial process control including valves, positioners, and flow management equipment used in power and process plants. Its smart-positioner and valve-position monitoring portfolio competes with Moniteur's products in steam-system applications and adjacent process-control end markets.
• Flowserve (Limitorque): Flowserve is a large flow-control OEM offering pumps, valves, seals, and actuation products including the Limitorque brand of electric valve actuators and positioners. It competes with Moniteur on integrated valve-control solutions rather than as a focused VPT specialist, and bundles actuation into broader skid and valve packages.
• Honeywell Process Solutions: Honeywell Process Solutions provides DCS, process instrumentation, and integrated valve-control solutions for refining, petrochemical, and power customers. Its Experion platform bundles valve position feedback with broader control loops, competing with Moniteur's networked VPT offerings at the plant-integration level.
• ABB: ABB is a global automation supplier offering DCS, instrumentation, electric valve actuators, and positioners across oil & gas, chemical, and power markets. While not focused exclusively on VPTs, ABB's wider DCS-and-valve integration capability creates indirect competition and is routinely specified in greenfield process automation projects.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• Xx.com/moniteurdev
• LinkedInlinkedin.com/company/moniteur-devices-inc

Compliance6 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

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 Moniteur Devices