Search results: “Switch” – Page 3
Showing 25–31 of 31 results
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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).
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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).
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CS2/4 Pressure Switch – Compact Series
Confined space and harsh environmentsCS2/4 Pressure Switch – Compact Series
The Compact Series, (C S), switch has been designed to meet the specific requirements of panel applications, whether they be of the Wellhead Control, Hydraulic Power Unit or Chemical Injection Skid type.
Their compact, rugged, all stainless steel construction makes them especially useful in the cramped and harsh environmental conditions that these applications demand. Supplied as standard with hermetically sealed switch contacts and with field adjustable set-points up to 700 bar, the Compact Series of Switches also come with either Intrinsically Safe or Flameproof approvals for use in Zone 0 or Zone 1 hazardous areas respectively.
The model CS2 and CS4 Presure Switches are suitable for setpoints between 0.25bar and 700bar with maximum working pressures up to 1000bar. (EAC certification is available on request).
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Boiler Water Level Controls
All mechanical boiler controls and valvesBoiler Water Level Controls
This family of Boiler Water Level Controls are designed to regulate the flow of feed water into the boiler in proportion to the steam demand by using the change in boiler level as a load indicator. They consist of the following elements:
Modulating Controller:
The Delta Mobrey Modulating Controller is a single element electro-hydraulic control with an electronic feedback, used for controlling the flow of feed water into the boiler. Designed to be used alongside the Delta Mobrey
Vertical Air Break Controls (VABC).Sequencing blowdown valves:
The Delta Mobrey sequencing valve is designed to function as a combined water isolating valve and a sequencing blowdown valve to provide positive purging of the water connection, float chamber and steam connection of a boiler control. The operation of the valve helps to ensure the water port does not become blocked by sediment, mud or debris. It also provides a positive test of the boiler water level control, ensuring that any associated equipment, such as the feedwater pump or valve, and any alarms, cutouts or lockouts operate as expected.
Vertical Air Break Controls
The Delta Mobrey Vertical Air Break Controls (VABC) are a comprehensive range of magnetically operated water level controls for steam boilers. They are designed to meet all requirements for automatic on/off control of boiler feed pump, burner cut out, high and/or low level alarm or any combination of these. Models available with Industrial (NEMA4) or Marine Heads. TÜV approved models are available in chambers and for direct mounting. The Delta Mobrey VABC is a gland-less construction. A primary permanent magnet is attached to the float rod and slides vertically inside a non-magnetic stainless steel centre tube. Movements of the float are transmitted to a secondary magnet in each switch unit.
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Suspended Solids Monitoring – MSM400
On/Off and continuous monitoring of suspended solidsSuspended Solids Monitoring – MSM400
The Delta Mobrey MSM400 system continuously measures the suspended solids within sludges or slurries. Many years of practical experience have shown that measurement of ultrasonic attenuation in a slurry is directly proportional to the percentage of suspended solids. The MSM400 system uses this principle to give a digital display and continuous output of the suspended solids measurement.
Commonly used in waste water treatment, industrial and mining plants and suitable for a wide range of fluids such as effluent, limestone slurry and China clay. Applications include sludge blanket measurement and detection, and slurry density control. The MSM400 controller is used with ultrasonic gap sensors available for either tank or pipe installation with a range of gap sizes to suit the application.
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Hydratect 2462 System
Conductivity Probe Steam and Water DetectionHydratect 2462 System
Hydratect is an electronic alternative to conventional water level switches for steam-raising plants. Hydratect can be used in a wide variety of situations, wherever the detection of water or steam is vital for a plant’s safe and efficient operation.
The Hydratect 2462 control unit provides signal processing for two electrodes. Each channel monitors the status of its associated electrode. Four conductors are used between the control unit and each electrode so it can differentiate between steam, water, short-circuit, and open-circuit. A green LED indicates water, a red LED indicates steam and an amber LED indicates a fault condition. Each channel has a status relay to indicate water or steam, and a fault relay that will de-energise on a fault condition. The two channels are completely independent having separate power supplies, signal processing, and fault detection. The relay outputs can be externally wired for a ‘one out of two’ or ‘two out of two’ tripping scheme.
A Hydratect 2462 system consists of electrodes fitted into inserts and welded into the pipe work. Alternatively, manifolds can be supplied to technical drawings with inserts already in place. Electrodes are protected by covers. A military specification high-temperature cable connects each electrode to the Hydratect control unit.
A typical application to ensure TWIP (Turbine Water Induction Protection) is condensate level detection in drain pots (condensate pots).
Hydratect can be used to give compliance with ASME TDP-1, Prevention of Water Damage to Steam Turbines Used for Electric Power Generation: Fossil-Fuelled Plants.
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Needle Valves, 2, 3 and 5 Ways
Direct and Remote V Series
Related products
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GR2/4 Pressure Switch – Compact Series
Minimal space applications in industrial environmentsGR2/4 Pressure Switch – Compact Series
Initially launched in the mid-1990s, the Compact Series of pressure switches has continuously been providing users with a compact, robust and hermetically sealed switch for use in Safe and Hazardous Areas. This pressure switch comes with flying leads or junction box fixings.
Compact switch range designed for installing in tight spaces such as those found in panel applications. (EAC certification is available on request).
Key Features
- Compact and rugged design.
- ATEX Flameproof CENELEC EEx d IIC option.
- ATEX—Intrinsically Safe ATEX Ex ia IIC option.
- Weatherproof IP66/NEMA 4.
- Stainless steel body option NEMA 4 rating.
- High over-range models up to 1000 bar / 15,000 psi.
- Ranges available between 0.25—700 bar (4—10,000 psi).
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Differential Pressure Transmitter D31 – D-Series
HART Communication, aluminium or stainless steel enclosureDifferential Pressure Transmitter D31 – D-Series
The D31 SMART Differential Pressure Transmitters are suitable for measuring differential pressure of gases, vapours and liquids. The active sensing element is a piezoresistive silicon sensor separated from the medium by a diaphragm and by a specially selected type of manometric liquid. The special design of the active sensing element ensures that it is able to withstand pressure surges and overloads of up to 250/320/413 bar. The casing is made of cast aluminium alloy or 316 stainless steel with a IP66/IP67 rating. The design of the casing enables the use of a local display, rotation of the display by 90°, rotation of the casing by 0–355° relative to the sensor, and a choice of cable direction.
The D31 Differential Pressure Transmitter is suitable for measuring pressures from -100mbar to 70bar with maximum working pressures up to 413 bar.
Key Features
• Die cast weatherproof enclosure to IP66 (NEMA 4).
• Stainless steel mechanism.
• Internal tamperproof set point adjustment.
• Calibrated scale.
• Set point adjustment from -2.5mbar (-1 in H2O) up to 1.6 bar (20psi) dependent on model.
• ECAS Certified (Emirates Conformity Assessment Scheme) -
D21 Smart HART Pressure Transmitter – D-Series
Aluminium or stainless steel enclosure - all industry applicationsD21 Smart HART Pressure Transmitter – D-Series
The D-Series pressure transmitters offer customers reliable and accurate solutions to their individual process requirements. This product has a wide range of process connections and is easily configurable via the D-Soft software. The D-Series can be used for a variety of applications when pressure, differential pressure, temperature, level or flow measurements are needed. The D21 Pressure Transmitter is suitable for measuring pressures from -1 to 1000bar with maximum working pressures up to 1200bar. It is intrinsically safe and flameproof, and ATEX and IECEx rated, giving users confidence in aggressive environments.
- SIL 2 certificate
- Compliant to NAMUR NE-43
- High accuracy ±0.075% (better accuracy upon request)
- Fully HART ® compatible
- Static pressure limit up to 1200 bar
- 4-20mA, 0-20mA or 0-5mA analogue with digital communications
- Gold (Au) plated diaphragm option
- Hastelloy C276 wetted part option
- Programmable range, zero shift, characteristic and damping ratio with local panel keys
- Lightweight
- Linearisation of output signal on 20 point curve for specific application is available
- Write protection option through D-COMM communicator, ‘D-Soft’ program or software using library EDDL
- ECAS Certified (Emirates Conformity Assessment Scheme)
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S20 Pressure Switch – Industrial Series
Great performance for alarm applicationsS20 Pressure Switch – Industrial Series
The Delta Mobrey Industrial Series was initially created in the mid 1990’s. Since that time the range has undergone product developments to ensure we continue to provide industries with a range of instrumentation dedicated to providing fundamental intelligence within their environment. This range uses diaphragm based sensors and an in-line force balance mechanism to transfer movement from the sensor to the microswitch. All versions of the Industrial Pressure Switch models, S20, S21, and S24, are suitable for a wide range of industrial applications, especially alarm style applications.
The S20 Pressure Switch is suitable for setpoints between -1bar and 100 bar with maximum working pressures up to 155 bar. Available in models S21, S22 and S24 (EAC certification is available on request).
Key Features
- Weatherproof and Flameproof models ATEX and NEC 500.
- NACE MR-01-75 compatibility.
- Ranges available up to 700 bar (10,000 psi)
- Field set point adjustment against a reference scale
- Hermetically sealed microswitch options
- Optional gold alloy contacts
- Terminal block for easy field wiring
- Safety vented design as standard
- PED 2014/68/EU CAT IV option
