Delta Mobrey VM Series Pressure Switch Pressure Switch is suitable for setpoints between 0 and 700 bar with maximum working pressures up to 1000 bar.
The unit is manufactured, checked, and supplied in accordance with our published specification, and when installed and used in normal or prescribed applications, with the lid in place and within the parameters set for mechanical and electrical performance, will not cause danger or hazard to life or limb.
The VM Series Pressure Switch is designed with OEM users in mind and offers users a simple, compact, robust, and ATEX Ex d approved Switch.
- Ranges available from 0 to 700bar
- Weatherproof IP66 enclosures stainless steel
- ATEX 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
Delta Mobrey VM Series Pressure Switch VM Series:
- Compact and rugged design
- ATEX Flameproof EExd IIC 2 GD
- Stainless steel enclosure as standard
- All welded construction for process connection and diaphragm – reduced risk of leakage under extreme conditions
- Ranges available between 0.25bar/4psi and 700bar/10,000psi
- Variety of wetted parts including NACE MR-01-75 compatible option
- Field adjustable set point
Application:
Designed for volume manufacture, the VM2/4 switch is ideally suited to meet the requirements of OEM manufacturers of:
- 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 choice of models available ensures the VM Series is suitable for use in:
- General purpose applications
- Aggressive outdoor atmospheres, eg: marine or coastal environments
- Hazardous areas
Delta Mobrey VM Series Specification:
Enclosure options:
- Weatherproof IP66/NEMA 4X
- Weatherproof IP66/flameproof EEx IIC 2 GD
- T6 (Tamb –60 Deg C to + 65 Deg C)
- T5 (Tamb –60 Deg C to + 80 Deg C)
Wetted parts options: Nickel alloy (Monel) diaphragm and process connection for NACE MR-01-75 – all welded construction.
Process connection: Rc 1/4 (1/4” Bsp tr int) or 1/4 ”NPTF (other sizes via adaptors only)
Unit weight: 1.5kg/3.3lbs approx
Set point Repeatability: +/- 1% of adjustable range
Ambient temperature range:
- -40 to +80 deg C (-40 to +176F) intermittently down to -60 deg C (-76 deg.F) – ATEX (VM2)
- 40 to +85 deg C (-40 to +185F) for the weatherproof version (VM2)
- -25 to +60 deg C (-13 to +140F) Limited by materials used in sensing element (VM4 only)
The model VM Pressure Switch is suitable for setpoints between 0 and 700 bar with maximum working pressures up to 1000bar
Better than 1% set-point repeatability: Users can expect a set-point repeatability performance better than 1% on all configurations with some configurations being significantly better
Compact Ex d enclosure: VM series switches combine Ex d approvals with a compact terminal enclosure making them ideal for OEM applications.
Safety: All VM models come with a safety vent to prevent the enclosure from becoming pressurized in the event that the sensor is inadvertently damaged by excessive pressure.
- Compact and rugged design
- ATEX Flameproof EExd IIC 2 GD
- Stainless steel enclosure as standard
- All welded construction for process connection and diaphragm – reduced risk of leakage under extreme conditions
- Ranges available between 0.25bar/4psi and 700bar/10,000psi
- Variety of wetted parts including NACE MR-01-75 compatible option
- Field adjustable set point Enclosure options
- Weatherproof IP66/NEMA 4X
- Weatherproof IP66/flameproof EEx IIC 2 GD
- T6 (Tamb –60 Deg C to + 65 Deg C)
- T5 (Tamb –60 Deg C to + 80 Deg C) Wetted parts options
- Nickel alloy (Monel) diaphragm and process connection for NACE MR-01-75 – all welded construction Standard electrical ratings
- Refer to Table 6
CHARACTERISTICS
- Technology: diaphragm
- Pressure type: differential process connection: BSP 1/4
- Protection level: ATEX, flameproof, IP66
- Applications: OEM
- Other characteristics: adjustable, compact, high-pressure, stainless steel
- Pressure range: Min.: 0 bar (0 psi), Max.: 1,000 bar (14,503.77 psi)
BENEFITS:
Better than 1% set-point repeatability
Users can expect a set-point repeatability performance better than 1% on all configurations with some configurations being significantly better
Compact Ex d enclosure
VM series switches combine Ex d approvals with a compact terminal enclosure making them ideal for OEM applications.
Safety
All VM models come with a safety vent to prevent the enclosure from becoming pressurized in the event that the sensor is inadvertently damaged by excessive pressure.
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 1000 bar.
Download Data Sheet: Pressure Switch VM Series
Ref: delta-mobrey.com
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