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Bourdon Tube Type Pressure Switch TETROSWITCH BS

Bourdon Tube Type Pressure Switch TETROSWITCH BS
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Bourdon Tube Type Pressure Switch TETROSWITCH BS - 1

Data sheet Date Page BOURDON TUBE TYPE PRESSURE SWITCHES TETROSWITCH BS The TETROSWITCH pressure switch series BS are suitable for use with chemical, petrochemical, machinery, food, pharmaceutical or onshore and offshore applications. Setting Ranges from 0-600bar. TECHNICAL CHARACTERISTICS Case and cover : St. St. series 300, bayonet type cover Protection degree : IP65 (EN60529/IEC529), NEMA 4 Electrical wiring : internal terminal board Ground terminal : 1 internal and 1 external Internal parts material : Stainless Steel Blow out: neoprene Sensing element: Bourbon tube type, with “C” form for pressure ≤60bar, helical wound for pressure ≥ 60bar Element material : AISI 316+ Viton O-Ring up to range 0/2,5bar; Zinc Steel coated with AISI316 for ranges from 0/4bar to 0/25bar Process connection material : AISI 316 Connection dimension: ½”NPTM or GAS ; ½” NPTF Cable entry : ½”NPTF , ½”GASF , M20x1,5 Mounting: direct on tap, wall or 2”pipe mounting (optional bracket) Ranges: see table B at page 2 Micro switch :1 SPDT or 2 independent SPDT with fixed differential or with adjustable dead band according to table A at page 2 Set point adjustment : internal micrometric screw Repeatability : better than 1% f.s. Ambient temperature limit: -30/+90°C Fluid temperature limit: -30/+400°C Thermal drift : ≤ 0,05%/°C Construction acc.to ATEX directive 94/9/EC for intrinsically Safe Circuits (on request) Construction according to PED directive 97/23/EC OPTIONS AND ACCESSORIES DESCRIPTION Case and cover in AISI316 Element and connection in MONEL 400 Cable gland in PVC MIL specification cable gland Wall mounting bracket 2”pipe mounting bracket Degreasing for O2 service Version for Intr. Safe circuits High temperature version Vacuum protection Overpressure protection High static pressure construction 100bar Accessories (manifolds, chemical seals) HOW TO ORDER Please specify: model, micro switch, setting range, process connection, cable entry, options and accessories Example: TETROSWITCH BS, C, 0-25bar, G05, C01, I30 _______________________________________________________________________________________________ PCI (Process System Solutions) Ltd, Unit 7 Slaidburn Crescent, Southport, Merseyside, PR9 9YF, UK, Tel: +44 (0) 1704 509090, Fax: +44 (0) 1704 509091, email: sales@pci-instruments.com, Website: www.pci-instruments.com (Specifications are subject to change without notice)

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Bourdon Tube Type Pressure Switch TETROSWITCH BS - 2

Data sheet Date Page TABLE A : MICROSWITCHES TYPE OF CONTACT In air,Silver contacts splash proof silver contact In air, golden plated contacts Silver contacts, sealed in inert gas Gold plated contacts, sealed in inert gas In air, Silver contacts with adjustable dead band TABLE B : RANGES Setting range Dead band 2 micro (1) (1) Dead band 1 micro (1) Proof pressure for gold plated contacts, values are 3 times Dead band for adjustable dead band microswitch adjustment from 10 to 50% of range PROCESS CONNECTION CABLE ENTRY WEIGHT AND DIMENSIONS F = process connection F1 = cable inlet...

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