Categories from TopWorx (1)

Positioners and Limit Switches
Positioners and Limit Switches

Positioners and limit switches are crucial in various industrial applications, ensuring precise control and safety measures. Positioners are devices designed to accurately control the position of a valve or actuator in response to an input signal. They are commonly used in pneumatic and hydraulic systems to regulate the flow of fluids or gases by adjusting the opening and closing of valves. Positioners enable operators to precisely control the process variables, such as flow rate or pressure, improving industrial operations' efficiency and accuracy. On the other hand, limit switches serve as safety devices that detect the presence or absence of an object and trigger an action when a predetermined limit is reached. These switches are often employed to monitor the position of mechanical components, such as valves, actuators, or machine parts, and ensure that they operate within safe limits. Limit switches can signal the end of travel, prevent overtravel, or initiate emergency shutdown procedures in case of abnormal conditions, enhancing operational safety and protecting equipment from damage. Positioners and limit switches contribute to the reliability, precision, and safety of industrial processes across various sectors, including manufacturing, petrochemicals, and utilities.

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81-20528-A2 TopWorx GO Switch, Dry Contact Proximity Sensor / Leverless Limit Switch - Ferrous or Magnetic Target , Certification: UL General Purpose, Extended Sensing, Model: 81-20528-A2, Stainless Steel, Regional Cert: n/a, PNP, NPN, NO, NC, No Power Consumption - 81-20528-A2

$418.53$430.00

You save 3%
Available for Purchase

Subject to factory lead times

81-20528-A3 TopWorx GO Switch, Dry Contact Proximity Sensor / Leverless Limit Switch - Ferrous or Magnetic Target , Certification: UL General Purpose, Extended Sensing, Model: 81-20528-A3, Stainless Steel, Regional Cert: n/a, PNP, NPN, NO, NC, No Power Consumption - 81-20528-A3

$433.13$445.00

You save 3%
Available for Purchase

Subject to factory lead times

The TopWorx DVR Switchbox is a reliable, durable switchbox solution for use in confined spaces and across a wide range of industries, including water and wastewater, industrial utilities and food and beverage. Designed to be flexible and adaptable, this unit performs well in challenging conditions. Its patented cam design also makes the commissioning process quick and easy, while its direct-flush mount capabilities ensure secure linkage and operation.
Requires Quote
Available for Purchase

Subject to factory lead times

The TopWorx DX PST switchbox with HART® protocol is a reliable, user-friendly solution for performing Partial Stroke Test and Emergency Shut Down for critical applications. Units provide valuable valve data and diagnostic information, relaying feedback to Industrial Internet of Things (IIoT) systems via digital and analog signals. Expanded options for sensor redundancy up to 4 GO™ Switches and pilot redundancy up to 2 integrated pilots all protected within a single enclosure .Thanks to the integrated PST button, operators can test valves without any additional devices, simplifying maintenance.
Requires Quote
Available for Purchase

Subject to factory lead times

TopWorx™ DX-Series Controllers are certified for use in every world area.
D-Series discrete valve controllers can survive in virtually any plant condition. Its corrosion resistance and heavy-duty construction enables superior performance in the most demanding applications. These controllers carry IECEx, ATEX, and UL certifications in a single model, making it easier for global customers to standardize operations across their facilities. D-Series controllers also carries NEPSI, KOSHA, InMetro, PESO, and EAC and EAC certifications.
Engineered with our GO Switch sensing technology, our D-Series line delivers best-in-class capabilities. TopWorx GO Switches are hermetically sealed to outperform all other position sensors in hot, cold, wet, dirty, abusive, corrosive, and explosive conditions. Its unique cam design allows quick and accurate setting of the GO Switch positions reducing deadband and hysteresis to a minimum.
Requires Quote
Available for Purchase

Subject to factory lead times

The TopWorx™ DXR packs all the versatility of the single platform DXP into a rugged, corrosion-proof Valox® resin enclosure. The DXR is perfect for use in corrosive environments.
D-Series discrete valve controllers can survive in virtually any plant condition. Its corrosion resistance and heavy-duty construction enables superior performance in the most demanding applications. These controllers carry IECEx, ATEX, and UL certifications in a single model, making it easier for global customers to standardize operations across their facilities. D-Series controllers also carries NEPSI, KOSHA, InMetro, PESO, and EAC and EAC certifications.
Engineered with our GO Switch sensing technology, our D-Series line delivers best-in-class capabilities. TopWorx GO Switches are hermetically sealed to outperform all other position sensors in hot, cold, wet, dirty, abusive, corrosive, and explosive conditions. Its unique cam design allows quick and accurate setting of the GO Switch positions reducing deadband and hysteresis to a minimum.
Requires Quote
Available for Purchase

Subject to factory lead times

The TopWorx™ DXS is a 316 stainless steel valve controller that combines bus networking, pilot valve, and position sensors into a single globally certified, explosion proof enclosure that attaches to any automated valve package.
D-Series discrete valve controllers can survive in virtually any plant condition. Its corrosion resistance and heavy-duty construction enables superior performance in the most demanding applications. These controllers carry IECEx, ATEX, and UL certifications in a single model, making it easier for global customers to standardize operations across their facilities. D-Series controllers also carries NEPSI, KOSHA, InMetro, PESO, and EAC and EAC certifications.
Engineered with our GO Switch sensing technology, our D-Series line delivers best-in-class capabilities. TopWorx GO Switches are hermetically sealed to outperform all other position sensors in hot, cold, wet, dirty, abusive, corrosive, and explosive conditions. Its unique cam design allows quick and accurate setting of the GO Switch positions reducing deadband and hysteresis to a minimum.
Requires Quote
Available for Purchase

Subject to factory lead times

TopWorx™ ESD Valve Controllers provide a complete Partial Stroke Test Solution with unique features and functionality that enable partial stroke testing of emergency shutdown valves without disrupting or shutting down the process.
Requires Quote
Available for Purchase

Subject to factory lead times

The DXN discrete valve monitor is qualified for use in containment and is the best solution for quarter-turn AOVs. It contains two GO Switches to give open/close indication, a ceramic terminal block and it mounts onto the actuator.
Requires Quote
Available for Purchase

Subject to factory lead times

The GO™ Switch Model 11 features sealed gold flashed contacts, no-touch sensing and snap action response in a square switch design with a 3/8™ sensing range.
Requires Quote
Available for Purchase

Subject to factory lead times

A slight modification to an all-time favorite, model 12 was designed to meet ATEX/IECEx Zone 1, Ex ’de’ flameproof and increased safety hazardous area classification.
Requires Quote
Available for Purchase

Subject to factory lead times

Offering the same features as the GO™ Switch Model 11, The Model 21 GO™ Switch provides a smaller design. All GO™ Switch wiring options include A/C, D/C, N/O or N/C, consumes no power to operate and has no current leakage or voltage drop.
Requires Quote
Available for Purchase

Subject to factory lead times

A lower profile version of model 12, model 22 is also available with ATEX/IECEx Zone 1, Ex ’de’ flameproof and increased safety hazardous area classification in a smaller package.
Requires Quote
Available for Purchase

Subject to factory lead times

TopWorx™ 52M is a low profile, dry contact, proximity sensor with a 316L sensing face in an industry standard 12mm package. The 52M does not require power to operate and is polarity insensitive with zero need to specify NPN or PNP circuits and maintains the ability to be a plug-and-play replacement for inductive proximity sensors. Also, the 52M can handle a wide current range from 5mA to 2A @ 24VDC and a wide temperature range from -40°F to 212°F (-40°C to 100°C).
Requires Quote
Available for Purchase

Subject to factory lead times

A lower profile version of model 12, model 22 is also available with ATEX/IECEx Zone 1, Ex ’de’ flameproof and increased safety hazardous area classification in a smaller package.
Requires Quote
Available for Purchase

Subject to factory lead times

The GO™ Switch Model 72 has the smallest diameter (3/8") of any round leverless limit switch, and is used extensively in factory automation applications.
Requires Quote
Available for Purchase

Subject to factory lead times

The GO™ Switch Models 73 and 74 are the world’s most commonly used and widely trusted leverless limit switches with no external moving parts, no springs or cams, and no reed element. There is nothing to wear or fail.
Requires Quote
Available for Purchase

Subject to factory lead times

The GO™ Switch Models 73 and 74 are the world’s most commonly used and widely trusted leverless limit switches with no external moving parts, no springs or cams, and no reed element. There is nothing to wear or fail.
Requires Quote
Available for Purchase

Subject to factory lead times

GO™ Switch Model 75 offers a wide application temperature range and is excellent for sensing in high pressure and corrisive areas.
Requires Quote
Available for Purchase

Subject to factory lead times

GO™ Switch Model 76 provides extended length and offers a wide application temperature range and is excellent for sensing in high pressure and corrisive areas.
Requires Quote
Available for Purchase

Subject to factory lead times

GO™ Switch Model 77 has the same great features of Models 73 and 74 but with the added benefit of a much greater length.
Requires Quote
Available for Purchase

Subject to factory lead times

The Model 7C has a 1.025" probe and all the all the features and benefits of the Stroke to GO™ cylinder position sensor product line.
Requires Quote
Available for Purchase

Subject to factory lead times

The Model 7D has a 1.25" probe and all the all the features and benefits of the Stroke to GO™ cylinder position sensor product line.
Requires Quote
Available for Purchase

Subject to factory lead times

The Model 7E has a 2.062" probe and all the all the features and benefits of the Stroke to GO™ cylinder position sensor product line.
Requires Quote
Available for Purchase

Subject to factory lead times

81-20528-A2 TopWorx GO Switch, Dry Contact Proximity Sensor / Leverless Limit Switch - Ferrous or Magnetic Target , Certification: UL General Purpose, Extended Sensing, Model: 81-20528-A2, Stainless Steel, Regional Cert: n/a, PNP, NPN, NO, NC, No Power Consumption - 81-20528-A2

$418.53$430.00

You save 3%
Available for Purchase

Subject to factory lead times

81-20528-A3 TopWorx GO Switch, Dry Contact Proximity Sensor / Leverless Limit Switch - Ferrous or Magnetic Target , Certification: UL General Purpose, Extended Sensing, Model: 81-20528-A3, Stainless Steel, Regional Cert: n/a, PNP, NPN, NO, NC, No Power Consumption - 81-20528-A3

$433.13$445.00

You save 3%
Available for Purchase

Subject to factory lead times

The TopWorx DVR Switchbox is a reliable, durable switchbox solution for use in confined spaces and across a wide range of industries, including water and wastewater, industrial utilities and food and beverage. Designed to be flexible and adaptable, this unit performs well in challenging conditions. Its patented cam design also makes the commissioning process quick and easy, while its direct-flush mount capabilities ensure secure linkage and operation.
Requires Quote
Available for Purchase

Subject to factory lead times

The TopWorx DX PST switchbox with HART® protocol is a reliable, user-friendly solution for performing Partial Stroke Test and Emergency Shut Down for critical applications. Units provide valuable valve data and diagnostic information, relaying feedback to Industrial Internet of Things (IIoT) systems via digital and analog signals. Expanded options for sensor redundancy up to 4 GO™ Switches and pilot redundancy up to 2 integrated pilots all protected within a single enclosure .Thanks to the integrated PST button, operators can test valves without any additional devices, simplifying maintenance.
Requires Quote
Available for Purchase

Subject to factory lead times

TopWorx™ DX-Series Controllers are certified for use in every world area.
D-Series discrete valve controllers can survive in virtually any plant condition. Its corrosion resistance and heavy-duty construction enables superior performance in the most demanding applications. These controllers carry IECEx, ATEX, and UL certifications in a single model, making it easier for global customers to standardize operations across their facilities. D-Series controllers also carries NEPSI, KOSHA, InMetro, PESO, and EAC and EAC certifications.
Engineered with our GO Switch sensing technology, our D-Series line delivers best-in-class capabilities. TopWorx GO Switches are hermetically sealed to outperform all other position sensors in hot, cold, wet, dirty, abusive, corrosive, and explosive conditions. Its unique cam design allows quick and accurate setting of the GO Switch positions reducing deadband and hysteresis to a minimum.
Requires Quote
Available for Purchase

Subject to factory lead times

The TopWorx™ DXR packs all the versatility of the single platform DXP into a rugged, corrosion-proof Valox® resin enclosure. The DXR is perfect for use in corrosive environments.
D-Series discrete valve controllers can survive in virtually any plant condition. Its corrosion resistance and heavy-duty construction enables superior performance in the most demanding applications. These controllers carry IECEx, ATEX, and UL certifications in a single model, making it easier for global customers to standardize operations across their facilities. D-Series controllers also carries NEPSI, KOSHA, InMetro, PESO, and EAC and EAC certifications.
Engineered with our GO Switch sensing technology, our D-Series line delivers best-in-class capabilities. TopWorx GO Switches are hermetically sealed to outperform all other position sensors in hot, cold, wet, dirty, abusive, corrosive, and explosive conditions. Its unique cam design allows quick and accurate setting of the GO Switch positions reducing deadband and hysteresis to a minimum.
Requires Quote
Available for Purchase

Subject to factory lead times

The TopWorx™ DXS is a 316 stainless steel valve controller that combines bus networking, pilot valve, and position sensors into a single globally certified, explosion proof enclosure that attaches to any automated valve package.
D-Series discrete valve controllers can survive in virtually any plant condition. Its corrosion resistance and heavy-duty construction enables superior performance in the most demanding applications. These controllers carry IECEx, ATEX, and UL certifications in a single model, making it easier for global customers to standardize operations across their facilities. D-Series controllers also carries NEPSI, KOSHA, InMetro, PESO, and EAC and EAC certifications.
Engineered with our GO Switch sensing technology, our D-Series line delivers best-in-class capabilities. TopWorx GO Switches are hermetically sealed to outperform all other position sensors in hot, cold, wet, dirty, abusive, corrosive, and explosive conditions. Its unique cam design allows quick and accurate setting of the GO Switch positions reducing deadband and hysteresis to a minimum.
Requires Quote
Available for Purchase

Subject to factory lead times

TopWorx™ ESD Valve Controllers provide a complete Partial Stroke Test Solution with unique features and functionality that enable partial stroke testing of emergency shutdown valves without disrupting or shutting down the process.
Requires Quote
Available for Purchase

Subject to factory lead times

The DXN discrete valve monitor is qualified for use in containment and is the best solution for quarter-turn AOVs. It contains two GO Switches to give open/close indication, a ceramic terminal block and it mounts onto the actuator.
Requires Quote
Available for Purchase

Subject to factory lead times

The GO™ Switch Model 11 features sealed gold flashed contacts, no-touch sensing and snap action response in a square switch design with a 3/8™ sensing range.
Requires Quote
Available for Purchase

Subject to factory lead times

A slight modification to an all-time favorite, model 12 was designed to meet ATEX/IECEx Zone 1, Ex ’de’ flameproof and increased safety hazardous area classification.
Requires Quote
Available for Purchase

Subject to factory lead times

Offering the same features as the GO™ Switch Model 11, The Model 21 GO™ Switch provides a smaller design. All GO™ Switch wiring options include A/C, D/C, N/O or N/C, consumes no power to operate and has no current leakage or voltage drop.
Requires Quote
Available for Purchase

Subject to factory lead times

A lower profile version of model 12, model 22 is also available with ATEX/IECEx Zone 1, Ex ’de’ flameproof and increased safety hazardous area classification in a smaller package.
Requires Quote
Available for Purchase

Subject to factory lead times

TopWorx™ 52M is a low profile, dry contact, proximity sensor with a 316L sensing face in an industry standard 12mm package. The 52M does not require power to operate and is polarity insensitive with zero need to specify NPN or PNP circuits and maintains the ability to be a plug-and-play replacement for inductive proximity sensors. Also, the 52M can handle a wide current range from 5mA to 2A @ 24VDC and a wide temperature range from -40°F to 212°F (-40°C to 100°C).
Requires Quote
Available for Purchase

Subject to factory lead times

A lower profile version of model 12, model 22 is also available with ATEX/IECEx Zone 1, Ex ’de’ flameproof and increased safety hazardous area classification in a smaller package.
Requires Quote
Available for Purchase

Subject to factory lead times

The GO™ Switch Model 72 has the smallest diameter (3/8") of any round leverless limit switch, and is used extensively in factory automation applications.
Requires Quote
Available for Purchase

Subject to factory lead times

The GO™ Switch Models 73 and 74 are the world’s most commonly used and widely trusted leverless limit switches with no external moving parts, no springs or cams, and no reed element. There is nothing to wear or fail.
Requires Quote
Available for Purchase

Subject to factory lead times

The GO™ Switch Models 73 and 74 are the world’s most commonly used and widely trusted leverless limit switches with no external moving parts, no springs or cams, and no reed element. There is nothing to wear or fail.
Requires Quote
Available for Purchase

Subject to factory lead times

GO™ Switch Model 75 offers a wide application temperature range and is excellent for sensing in high pressure and corrisive areas.
Requires Quote
Available for Purchase

Subject to factory lead times

GO™ Switch Model 76 provides extended length and offers a wide application temperature range and is excellent for sensing in high pressure and corrisive areas.
Requires Quote
Available for Purchase

Subject to factory lead times

GO™ Switch Model 77 has the same great features of Models 73 and 74 but with the added benefit of a much greater length.
Requires Quote
Available for Purchase

Subject to factory lead times

The Model 7C has a 1.025" probe and all the all the features and benefits of the Stroke to GO™ cylinder position sensor product line.
Requires Quote
Available for Purchase

Subject to factory lead times

The Model 7D has a 1.25" probe and all the all the features and benefits of the Stroke to GO™ cylinder position sensor product line.
Requires Quote
Available for Purchase

Subject to factory lead times

The Model 7E has a 2.062" probe and all the all the features and benefits of the Stroke to GO™ cylinder position sensor product line.
Requires Quote
Available for Purchase

Subject to factory lead times