DXP Topworx Switchbox | Actuation Valve & Control LTD

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DXP D-Series Discrete Limit Switch Valve Monitors The Topworx range of DXP Switchbox features a robust and rugged design complete with epoxy coated aluminium housing to protect the unit from the most severe and harshest operating conditions. With this durability comes the Topworx DXP's ability to achieve numerous worldwide certifications. The DXP Switchbox is the most popular product amongst the Topworx range of valve monitoring systems and is used across a wide range of industries. Enquire Buy Now

Key Features

Features and benefits of the TopWorx DXP D Series Valve Limit Switch Box Valve Monitors. 1

Key Features

Magnitude of bus and sensor options including HART, AS-Interface, SPDT GO Switch, P&F NJ2-V3-N, Fieldbus, 4-20mA, DPDT. 2

Key Features

TopWorx DXP D-Series is certified for use in every area of the world. InMetro, FISCO, KOSHA, NEPSI, PESO, EAC. 3

Key Features

Maximum performance in all environments. Tested for extreme weather with intense water jets and 30M submersion for 96 hours.

ATEX & Quality Assurance

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CERTIFICATES & APPROVALS

QA Louisville

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CERTIFICATES & APPROVALS

QA Shenzhen

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CERTIFICATES & APPROVALS

Flameproof Ex d

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CERTIFICATES & APPROVALS

Intrinsically Safe Ex ia

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CERTIFICATES & APPROVALS

Intrinsically Safe FF EX ib

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CERTIFICATES & APPROVALS

Non Sparking-Incendive EX nA nC

INMetro, PESO, SIL

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CERTIFICATES & APPROVALS

InMetro Ex ib

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CERTIFICATES & APPROVALS

InMetro EX ia

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CERTIFICATES & APPROVALS

InMetro EX db

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CERTIFICATES & APPROVALS

PESO Ex db

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CERTIFICATES & APPROVALS

PESO Ex ia

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CERTIFICATES & APPROVALS

SIL 2 SIL 3

EU Declaration Of Conformity

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CERTIFICATES & APPROVALS

Flameproof

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CERTIFICATES & APPROVALS

Intrinsically Safe FISCO

• Document

CERTIFICATES & APPROVALS

Intrinsically Safe

• PDF

CERTIFICATES & APPROVALS

Non Incendive FF

• PDF

CERTIFICATES & APPROVALS

Non Incendive

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CERTIFICATES & APPROVALS

Low Voltage

IECEx

• PDF

CERTIFICATES & APPROVALS

Flameproof Ex d

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CERTIFICATES & APPROVALS

Intrinsically Safe Ex ia

• PDF

CERTIFICATES & APPROVALS

FF Intrinsically Safe Ex ib

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CERTIFICATES & APPROVALS

FF Non Sparking-Incendive

ECASEx

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CERTIFICATES & APPROVALS

Flameproof Ex db AFCP Poland

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CERTIFICATES & APPROVALS

Flameproof Ex db Louisville

• Document

CERTIFICATES & APPROVALS

Intrinsically Safe Ex ia AFCP Ploand

• PDF

CERTIFICATES & APPROVALS

Intrinsically Safe Ex ia Louisville

Frequently Asked Questions

• What is a Topworx DXP Switchbox?
• What industries typically use Topworx DXP Switchboxes?
• How does the Topworx DXP Switchbox communicate valve position?
• What are the key benefits of using a Topworx DXP Switchbox?
• Is the Topworx DXP Switchbox certified for hazardous environments?
• What materials is the Topworx DXP Switchbox made from?
• Can the Topworx DXP Switchbox be used in offshore applications?
• What type of actuators can the Topworx DXP Switchbox be mounted on?
• How is the Topworx DXP Switchbox installed?
• What makes the Topworx DXP Switchbox suitable for extreme environments?
• Does the Topworx DXP Switchbox offer any customiSation options?
• What is the expected life span of a Topworx DXP Switchbox?

The Topworx DXP Switchbox is an advanced valve monitoring solution that provides accurate and reliable position feedback for automated valves. It is designed to withstand harsh environments, making it suitable for industries like oil and gas, and petrochemical.

Topworx DXP Switchboxes are used in industries such as oil and gas, chemical, power generation, water treatment, and other sectors that require rugged, reliable valve position monitoring.

The DXP Switchbox uses a variety of communication methods including discrete switches, 4-20mA position transmitters, and communication protocols like Foundation Fieldbus, DeviceNet, and AS-Interface to relay valve position feedback.

The Topworx DXP provides robust performance in extreme environments, with resistance to vibration, shock, and corrosion. It also offers flexible communication options, easy installation, and reliable valve position feedback.

Yes, the DXP is certified for use in hazardous locations and is available with global certifications such as ATEX, IECEx, and CSA for applications in potentially explosive atmospheres.

The Topworx DXP Switchbox is typically made from high-quality materials such as aluminum or stainless steel, ensuring durability and resistance to corrosion in harsh environments.

Yes, the Topworx DXP is designed for use in offshore applications, including oil rigs and platforms, where it must withstand harsh marine conditions.

The Topworx DXP Switchbox can be mounted on various actuators, including pneumatic and electric actuators, making it a versatile solution for valve automation systems.

The DXP Switchbox is designed for simple installation, with multiple mounting options available. It typically requires mounting on the actuator or valve and connecting the wiring for feedback and communication.

The DXP is ruggedly built to withstand extreme conditions such as high temperatures, severe vibration, corrosive environments, and explosive atmospheres, thanks to its robust housing and certifications.

Yes, the DXP Switchbox can be customised with different communication protocols, switch types, and housing materials depending on specific application requirements.

The Topworx DXP is engineered for long-term reliability and performance, with a lifespan designed to meet industry standards for durability in harsh environments. Regular maintenance and proper use will ensure optimal performance.

FAQ

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• DXP - Tropicalized aluminum(8)
• DXP - Tropicalized aluminium(3076)

• 0H - HART transmitter(106)
• 0X - 4-20mA transmitter(85)
• 62 - 2-wire N/O 0-253V 200mA(9)
• 72 - 3-wire PNP 0-60VDC 200mA(20)
• AS - AS-Interface w(2) SPDT GO Switches(82)
• DN - DeviceNet w(2) SPDT GO Switches(44)
• E2 - (2) P+F NJ2-V3-N inductive NAMUR(169)
• E4 - (4) P+F NJ2-V3-N inductive NAMUR(35)
• EH - HART transmitter w/ P+F NJ2-V3-N inductive NAMUR(40)
• EX - 4-20mA transmitter w/ P+F NJ2-V3-N inductive NAMUR(15)
• FF - Foundation Fieldbus w/ 0-10K potentiometer(131)
• FL - Foundation Fieldbus w/ (2) GO™ Switches SPDT(57)
• FP - Foundation Fieldbus w/ (2) GO™ Switches SPDT and 0-10K potentiometer(39)
• K2 - (2) Mechanical SPDT gold contacts(38)
• K4 - (4) Mechanical SPDT gold contacts(8)
• KH - HART transmitter w/ mechanical SPDT gold contacts(2)
• KX - 4-20mA transmitter w/ mechanical SPDT gold contacts(5)
• L2 - (2) GO™ Switches SPDT hermetic seal(651)
• L4 - (4) GO™ Switches SPDT hermetic seal(111)
• LX - 4-20mA transmitter w/ GO™ Switch SPDT(95)
• M2 - (2) Mechanical SPDT(323)
• M4 - (4) Mechanical SPDT(72)
• M6 - (6) Mechanical SPDT(27)
• MH - HART transmitter w/ mechanical SPDT(32)
• MX - 4-20mA transmitter w/ mechanical SPDT(59)
• N2 - Namur switches(77)
• PB - Profibus w(2) SPDT GO Switches(6)
• R2 - (2) Reed switch module SPDT(1)
• T2 - (2) Mechanical DPDT(70)
• TX - 4-20mA transmitter w/ mechanical DPDT(20)
• Z2 - (2) GO™ Switches DPDT hermetic seal(150)
• Z4 - (4) GO™ Switches DPDT hermetic seal(29)
• ZX - 4-20mA transmitter w/ GO™ Switch DPDT(15)
• ES - ESD/PST module w/ GO™ Switch(91)
• LH - HART transmitter w/ GO™ Switch SPDT(81)
• ZH - HART transmitter w/ GO™ Switch DPDT(29)
• 00 - No Switch(13)
• 0A - No Switch 1K POT(3)
• 31 - (1) NJ5-30GK-S1N(1)
• 52 - (2) P&F SW(17)
• 82 - (2) DPDT Mechanical Switch(5)
• 84 - (4) DPDT Mechanical Switch(5)
• B2 - (2) P&F SW(12)
• B3 - (3) P&F NJ2-11-SN-G(1)
• E1 - (1) P+F NJ2-V3-N inductive NAMUR(5)
• E3 - (3) P+F NJ2-V3-N inductive NAMUR(10)
• E6 - (6) P+F NJ2-V3-N inductive NAMUR(7)
• F2 - (2) P&F SW(11)
• HL - 4-20 Transmitter W/HART w(2) Switches(2)
• J2 - (2) P&F SW(18)
• K6 - (6) Mechanical SPDT gold contacts(2)
• L1 - (1) GO™ Switches SPDT hermetic seal(20)
• L3 - (3) GO™ Switches SPDT hermetic seal(44)
• Z3 - (3) GO™ Switches DPDT hermetic seal(12)
• V1 - (1) P&F NJ3-18GK-S1N(1)
• V2 - (2) P&F NJ3-18GK-S1N(8)
• V3 - (3) P&F NJ3-18GK-S1N(2)
• Z1 - (1) GO™ Switches DPDT hermetic seal(6)
• SH - (2) SW ESD(1)
• SS - (4) ESD(1)
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• 32 - (2)NJ5-30GK-S1N(7)
• 42 - (2) P&F NBB2 - (2) P&F SW-V3-E2 - (2) P+F NJ2-V3-N inductive NAMUR(5)
• 44 - (4) P+F NBB2 - (2) P&F SW-V3-E2 - (2) P+F NJ2-V3-N inductive NAMUR(3)
• FL - Foundation Fieldbus w/ (2) GO™ Switches SPDT - Foundation Fieldbus w/ (2) GO™ Switches SPDT(1)
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• G - Standard 90° Green OPEN, Red CLOSED(8)
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• G - Standard 90° Green OPEN(2057)
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• 9 - 3 way(15)
• 3 - 3 way(10)
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• 3 - (4) M20(162)
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• 4 - (2) ¾'' NPT(604)
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• 0 - No pilot device(s)(2156)
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• 8 - (2) 110Vac pilots(20)
• 1.1W(104)
• fail last position(209)
• 1 - (1) 24Vdc pilot(477)
• fail open/closed(710)
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• 2W(33)
• 4 - (1) 220Vac pilot(26)
• P - (1) piezo pilot(123)
• R - (2) piezo pilots(49)
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• 0 - No spool valve(2156)
• 6 - 316 stainless steel(314)
• A - Aluminum hard coat anodized(608)

• 0 - No manual override(2755)
• 1 - Single pushbutton momentary/latching(184)
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The Topworx range of DXP Swithboxes features a robust and rugged design complete with epoxy coated aluminium housing to protect the unit from the most severe and harshest operationg conditions. With this durabiltiy comes the Topworx DXP's ability to achieve numerous worldwide certifications. The DXP Switchbox is the most popular and common from the Topworx range of valve monitoring systems and is used across a wide range of industries including Chemical, Petrochemical, Oil & Gas, Power Generation and General Process. The Topworx DXP offers a solution for almost all applications.

Coupled with the Topworx Go Switch a postioning sensors, a common setup comes in the form of the DXP-L2 with the ability to provide over 3 million cycles without failure from the most demanding a critical applications. Additional optional extras from the DXP range include Position Transmitters/Sensors, Customised Visual Indicators, Pilot Valves, Spool Valves & ESD Partial Stroke Testing.

The Topworx DXP has been constantly tested to its limits to achieve maximum reliability. This includes intense water jet pressure blasts for on site cleaning and water submersion to depth of 30 metres for up to 96 hours. For extremee weather conditions temperatures are achievable as low as -76°F/-60°C and up to a scorching long term functionality of 176°F/80°C.

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