Switches
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Temperature Switches – Sentry Series
High flexibility on controls and alarmsTemperature Switches – Sentry Series
The Sentry Series offers exceptional performance and high build quality, it is ATEX and IECEx Flameproof accredited. Performance is assured by repackaging Delta Mobrey’s well proven sensor technologies in a new, simple, one-piece enclosure. This repackaging design makes the Sentry series more cost effective as well as environmentally kinder as it uses 70% less material to manufacture. With a choice of models, the Sentry Series works well in all process plants and can be used in Zone 1 and 2 Hazardous Areas or SIL 2 safety related systems. This Sentry switch is available in models T01 and T02 (EAC certification is available on request).
Key Features
- SPDT & DPDT Switch Outputs
- Aluminium Epoxy Coated Weatherproof Enclosure IP66/NEMA4X
- ATEX / IECEx Flameproof
- 316 Stainless Steel capillary and bulb.
- Field Adjustable Set-points Against a Reference Scale
- Temperature Ranges up to 350°C (660°F)
- Safety Vented Design as Standard
- Suitable for use SIL 2 safety related systems
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700 Temperature Switch – Performance Series
Control applications, working temperature up to 300C700 Temperature Switch – Performance Series
The 700 Performance Series switch has a flexible thermal system and is suitable for setpoints between -50°C and 300°C with maximum working temperatures up to 310°C. it is ATEX and IECEx accredited with environment and hermetically sealed options available. All of which can work in traditional process instrumentation industries. This has been part of our product portfolio for many years, the initial product was originally developed in the mid 1970’s, this mature product has undergone several enhancements to ensure it continues to give the level of reliability required today. Available in models 721/2/3, 731/2/3/4, 771/2/3/4 & 781 (EAC certification is available on request).
Key Features
- Precision stainless steel mechanism for arduous atmospheres and high humidity.
- Set point adjustable over whole range against calibrated scale with tamperproof adjuster.
- Weatherproof and Flameproof models.
- Hermetically sealed microswitch option.
- Models for fixed switching differential, adjustable differential and HI-LO operation.
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GR7 Temperature Switches – Compact Series
Reduced space applications, flying leads or junction box installationGR7 Temperature Switches – Compact Series
The GR7 Temperature Switch provides users with a compact, robust and hermetically sealed switch for use in safe and hazardous areas. This makes them particularly suitable for panel mounting in harsh environments. This product comes with a rigid or semi-rigid thermal system and is suitable for setpoints between -40°C and +350°C, with a maximum working temperature of up to 360°C (EAC certification is available on request).
Key Features
- Compact and rugged design
- Weatherproof IP66/NEMA 4
- ATEX Flameproof CENELEC Ex d IIC option
- ATEX Intrinsically Safe ATEX Ex ia IIC option.
- Stainless steel body option NEMA 4X rating
- Optional weatherproof, ATEX Ex e, ATEX Ex ia or ATEX
- Flameproof Ex d IIC terminal enclosures.
- 316 Stainless steel capillary and bulb.
- Ranges available up to 350°C (660°F)
- Maximum working temperature up to 360°C (680°F)
- Field adjustable.
- Hermetically sealed snap switch CSA listed.
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S71 Temperature Switches
Weatherproof / Ex d Industrial Series Temperature SwitchesS71 Temperature Switches
The model S71 Temperature Switch comes with a rigid or semi-rigid thermal system and is suitable for setpoints between -40°C and +260°C with maximum working temperatures up to 270°C. (EAC certification is available on request).
Related products
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D23 SMART HART Pressure Transmitter – D-Series
Cost effective with stainless steel enclosure, for all industrial useD23 SMART HART Pressure Transmitter – D-Series
Compact pressure transmitter, with a robust construction, making it an essential for any corrosive environments, or applications where chemicals may damage process instrumentation equipment. This product also comes with a gold plated diaphragm, making it essential when working with Hydrogen. The gold diaphragm will protect against hydrogen permeation, which protects the accuracy and integrity of the product in such conditions. The model D23 Pressure Transmitter is suitable for measuring pressures from -1 to 1000bar with maximum working pressures up to 1200bar.
Key Features
- Compact design and robust construction.
- 4-20mA output signal.
- Fully HART ® compatible.
- ATEX certified (both protection mode: Intrinsic Safety & Flameproof)
- IECEx Certified Flameproof only (Intrinsic Safety is coming soon)
- Gold plated diaphragm.
- Hastelloy C276 wetted parts option.
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Bimetal Temperature Gauge – GB Series
Stainless steel, rigid or every angle, made in the EUBimetal Temperature Gauge – GB Series
Stainless steel enclosure and is manufactured in the EU. The BG range is suitable for a wide range of applications in multiple industries where a safety barrier and blow out back are required to give added security.
Key Features
•Nominal Diameter options of 100mm, 125mm and 150mmSt. Steel case.
•With rigid or every angle stem.
•Watertight casing stainless steel execution
•Indication ranges range between -50 to +500 °C
•Version B: made with the traditional criteria of quality and versatility whilst also satisfying the specific needs of delivery and flexibility
•Version S: a very good quality level and offers considerable economic advantages due to updated product modern technologies. -
306 Differential Pressure Switch – Performance Series
Control and alarm for gasses and low diff pressure apps306 Differential Pressure Switch – Performance Series
The 306 Performance Series differential pressure switches utilise a nitrile diaphragm based sensor. This, when coupled with a precision stainless steel mechanism designed to minimise friction in the moving parts, helps deliver the market leading performance customers have come to expect. The model 306 Differential Pressure Switch is suitable for setpoints between -12.5mbar and 4bar with maximum working pressures up to 15bar. Also available in the 386 model (EAC certification is available on request).
Key Features
- Ranges available up to 4 Bar (60 psi)
- Weatherproof IP66 enclosures in zinc alloy or stainless steel
- ATEX and IECEx Ex d Flameproof models available
- Environmentally and Hermetically sealed switch options
- Set-point adjustable over the full range against a calibrated scale with tamperproof adjuster
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VM 2/4 Pressure Switch – Volume Series
Stainless steel made, limited space, harsh environmentsVM 2/4 Pressure Switch – Volume Series
The VM pressure switch offers a compact and cost effective solution for any application where reduced space and resistance to aggressive atmospheres is necessary. Performance is assured by utilising Delta Mobrey’s proven sensor technology in a new simple, one-piece enclosure.
Key Features
- Wellhead control safety shutdown systems
- Water or gas deluge fire protection systems
- Fuel and lubrication systems, as found on gas turbines, compressors and other rotating machinery
- Valve actuators
The range of models available for these cost effective switches include: general purpose applications, or those outdoor applications such as marine where the atmosphere may be more aggressive. The model VM Pressure Switch is suitable for setpoints between 0 and 700 bar with maximum working pressures up to 1000bar. (EAC certification is available on request).
