Explosion Proof Pressure Switches Flanged Connection EPSILON MS3

Product catalog summary

Overview: The EPSILON MS3 series are explosion-proof pressure switches designed for various industrial applications including chemical, petrochemical, machinery, food, pharmaceutical, and both onshore and offshore environments. They are certified for zone 0/1 and have setting ranges from 0-160 bar.

Specifications:

Certification: ATEX gr.II cat.1/2GD, EExd IIC T6.
Material: Aluminum case and cover, stainless steel internal parts, AISI 316 process connection.
Protection: IP65 (EN60529/IEC529), NEMA 4.
Temperature Limits: Ambient 0/+60°C, Fluid -30/+150°C.
Construction: Complies with ATEX directive 94/9/EC and PED directive 97/23/EC.

Technical Characteristics:

Sensing Element: Diaphragm with a diameter of 98mm or 110mm for specific ranges.
Connection Dimensions: Flange UNI-DIN DN40-50; ANSI 1 ½” - 2”.
Mounting Options: Direct on tap, wall, or 2” pipe mounting with optional bracket.
Micro Switch Options: 1 SPDT or 2 independent SPDT with fixed differential or adjustable dead band.
Repeatability: Better than 1% full scale.
Thermal Drift: ≤ 0.05%/°C.

Options and Accessories:

Various diaphragm materials including Hastelloy-C, Tantalum, Titan, MONEL 400, and AISI316+Teflon.
Wall and pipe mounting brackets, degreasing for O2 service, high temperature version, vacuum protection, and overpressure options.

Ordering Information: Specify model, micro switch type, setting range, process connection, cable entry, and any options or accessories.

Micro Switch Types (Table A): Various contact types with different electric ratings, including silver and gold plated contacts, some sealed in inert gas.

Pressure Ranges (Table B): Detailed setting ranges from 0/1 to 0/160 bar with corresponding proof pressures and dead bands.

Cable Entry Options: ½” BSP/F, ½” NPT/F, M20x1.5, and others.

Catalog excerpts

Explosion Proof Pressure Switches Flanged Connection EPSILON MS3-1

Data sheet Date Page EXPLOSION PROOF PRESSURE SWITCHES FLANGED CONNECTION EPSILON MS3 The EPSILON explosion proof pressure switches series MS3 are suitable for use with chemical, petrochemical, machinery, food, pharmaceutical or onshore and offshore applications. These instruments are certified for zone 0/1. Setting Ranges from 0-160 bar ATEX gr.II cat.1/2GD EExd IIC T6 ATEX approvals available under our PCI TEMA brand. TECHNICAL CHARACTERISTICS Case and cover : Aluminium painted, with screwed 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 Sensing element: Diaphragm diameter 98mm(diam. 110mm for range 0±0,6bar) 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: flange UNI-DIN DN40-50 ; ANSI 1 ½” - 2” Cable entry : ½”NPTF , ½”BSPF , 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: 0/+60° C Fluid temperature limit: -30/+150° C Thermal drift : ≤ 0,05%/° C Construction acc.to ATEX directive 94/9/EC gr.II cat. 1/2GD with Explosion proof protection mode EExd IIC T6 . Certificate number : CE ATEX 03.0103.06/2537X Construction according to PED directive 97/23/EC OPTIONS AND ACCESSORIES DESCRIPTION Hastelloy-C diaphragm Tantalum diaphragm Titan diaphragm MONEL 400 diaphragm AISI316+Teflon diaphragm Teflon coated connection Wall mounting bracket 2”pipe mounting bracket Degreasing for O2 service High temperature version Vacuum protection Overpressure up to 10bar ranges 0/1-1,6-2,5bar Overpressure up to 15bar ranges 0/4-6bar Overpressure up to 20bar range 0/10bar Overpressure up to 30bar range 0/16bar Overpressure up to 35bar range 0/25bar Overpressure up to 60bar range 0/40bar Overpressure up to 80bar range 0/60bar Accessories (syphon, valves, chemical seals) HOW TO ORDER Please specify: model, micro switch, setting range, process connection, cable entry, options and accessories Example : EPSILON MS3, O, 0-4bar, 1 ½” ANSI 150RF, C01, _______________________________________________________________________________________________ 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: [email protected], Website: www.pci-instruments.com (Specifications are subject to change without notice)

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Explosion Proof Pressure Switches Flanged Connection EPSILON MS3-2

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 Dead band 1 micro (1) Dead band 2 micro (1) Setting range Proof pressure Pressure (bar) for gold plated contacts, values are 3 times Dead band for adjustable dead band microswitch adjustment from 10 to 50% of range CABLE ENTRY D2 Type Code ½” BSP / F C01 ½” NPT / F C02 M20x1,5 C03 other C99 _______________________________________________________________________________________________...

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