Pressure switch
1 /6Pages

Pressure switch

Pressure switch
1 /6Pages

Catalog excerpts

Pressure switch-1

Designed for volume manufacture, theVM2/4 switch is ideally suited to meet therequirements of OEM manufacturers of: Enclosure options Weatherproof IP66/NEMA 4X Wellhead control safety shutdownsystems Weatherproof IP66/flameproof EEx IIC 2 GD T6 (Tamb ֖60 Deg C to + 65 Deg C) Water or gas deluge fire protectionsystems T5 (Tamb 60 Deg C to + 80 Deg C) Fuel and lubrication systems, as foundon gas turbines, compressors and other rotating machinery Wetted parts options Valve Actuators Nickel alloy (Monel) diaphragm and process connectionfor NACE MR-01-75 ֖ all welded construction. The choice of models available ensuresthe VM Series is suitable for use in: Standard electrical ratings general purpose applications Refer to Table 6 aggressive outdoor atmospheres, eg:marine or coastal environments Process connection hazardous areas Rc 1/4 (1/4 Bsp tr int) or 1/4 ԔNPTF (other sizes via adaptors only) Unit weight 1.5kg/3.3lbs approx Set point Repeatability > +/- 1% of adjustable range Delta Controls range of reliable pressureand temperature measurementinstruments can be customised to meet individual requirements. For technicaladvice or to discuss your application,please contact us on +44 (0) 20 8939 3500 Ambient temperature range -40 to +80 deg C (-40 to +176F) intermittently downto -60 deg C (-76 degF) - ATEX (VM2) -40 to +85 deg C (-40 to +185F) for theweatherproof version (VM2) -25 to +60 deg C (-13 to +140F) Limited by materials used in sensingelement (VM4 only) > TDS. V M2/4.03-05. ISSUE B

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Pressure switch-2

When ordering, please state the relevant product code for each instrument, made up as follows: Enclosure. See Table 1 Model. See Table 2 Electrical connection. See Table 3 Options. See Table 8 Material of wetted parts. See Table 4 Process connection. See Table 7 Range. See Table 5 Switching options. See Table 6 >

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Pressure switch-3

Code Stainless Steel Weatherproof IP66/NEMA 4X For general use or aggressive atmospheres e.g marineA Stainless Steel Weatherproof/Flameproof ֖ IP66/NEMA 4XATEX /EEx d IIC T6 2GD For use in aggressive atmospheres e.g. marine.R > Code Fixed Switching Differential For applications up to 100 bar / 1500 psiOver-range up to 155 bar / 2250 psiRefer to Table 5VM2 Fixed Switching Differential For applications up to 700 bar / 10,000 psiOver-range up to 1000 bar / 15,000 psiRefer to Table 5VM4 > For reduced risk against leakage under extreme or unusual conditions, thediaphragm is welded directly to the...

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Pressure switch-5

IEC947-5-1 / EN 60947-5-1 RATING UL/CSARATING Designation &Utilisation CategoryRated operational current Ie (A)at rated operational voltage VA ratin g Code UeUiUimp MakeBreakContact 5 Amps @ 110/250V AC and2 Amps @ 30V DC General Purpose PrecisionAC14 D300DC13 R3000.6/0.3A @ 120/240V AC0.22/0.1A @ 125/250V DC250V0.8kV432287228SPDTDPDT 0203 1 Amp @ 125V AC and0.1 Amp @ 30V DC Gold Alloy contacts See NoteAC14 E1500.3A @ 120VAC125V500V21636SPDTDPDT 0405 NOTE: For low energy circuits e.g. 30V and up to 100mA, we recommend using gold alloy contact switchesUi = rated insulation voltage: Uimp = rated...

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Pressure switch-6

Combinations available, applyfor details. Code Tropicalisation High humidity atmospheres01 Tag Stainless steel tied to enclosure30 > Low voltage Directive (LVD) 73/23/EC amended by 93/68/EEC. Switchproducts with enclosure code Rђ are also covered by the Explosive A tmospheres Directive ATEX-94/9/EC.The following directives do not apply to switch products manufacturedby Delta Controls:Electromagnetic Compatibility EMC 89/336/EEC.Machinery Safety Directive MSD ֖ 89/392/EEC.In the interests of development and improvement, Delta Controlsreserves the right to alter the specification of its products...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.