United Electric Pressure Switch, 12 Series Sensor Type 5/6
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12 Series Sensor Type 5/6 Pressure Switch

Brand: United Electric Controls Ltd
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12 Series hazardous location switches are ideal for operation in tough applications where space is at a premium. A snap-action Belleville spring assembly is used in most models to provide vibration resistance and prolonged switch life. The 316 stainless steel enclosure and hermetically sealed switch provide rugged protection from the environment.

Approved for use in hazardous locations worldwide, the 12 Series is installed within applications ranging from offshore oil rigs to rotating equipment, and more.
Features
  • UL, cUL, ATEX and IECEx approved for Div. 1 or Zone 1 hazardous locations; CE compliant
  • Dual seal compliant to ANSI/ISA 12.27.01 & NEC 501.17
  • Pressure switch wetted parts are NACE MR-0175 compliant
  • Snap-acting Belleville spring for long life, vibration resistance and stability
  • Mounting bracket available for retrofit applications

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Specifications

Brand

Adjustment Type

  • External Ground Screw
  • Factory Set (Pre-Set)

Ambient Temperature Range

  • -50° to 80° C (-58° to 176° F) - Set Point Shifts less than 1 % of Range for a 28° C (50° F) Ambient Temperature Change

Applications

  • Chemical Plants & Refineries
  • Instrument Panels
  • Offshore Platforms
  • Rotating Equipment

Approvals & Certifications

  • ABNT NBR IEC 60079-0, 60079-1, 60079-31 Certificate # UL-BR 15.0174X
  • ATEX Directive 94/9/EC II 1 G Ex ia IIC T6 Ga Tamb: -50° to 60° C (-58° to 140° F) UL International Demko A/S (N.B.# 0539) Certificate # Demko 11-ATEX-1105261X EN 60079-0, 60079-11, 60079-26
  • ATEX Directive 94/9/EC II 2 G Ex d IIC T6 Gb II 2 D Ex Tb IIIC T85° C (185° F) Db Tamb: -50° to 80° C (-58° to 176° F) UL International Demko A/S (N.B.# 0539) Certificate # Demko 08-ATEX-0717128X EN 60079-0, 60079-1, 60079-31
  • CE
  • CRN
  • CSA C22.2 No. 14, 25 & 30 - File # E40857
  • Dual Seal Certified to ANSI/ISA 12.27.01 (Meets CEC & NEC Secondary Seal Requirements) Standard on Straight
  • EAC Flameproof Junction Box, Pre-Wired
  • GOST-R 0Ex ia IIC T6 Ga x Tamb: -50° to 60° C (-58° to 140° F)
  • GOST-R 1Ex d IIC T6 Gb x Tamb: -50° to 80° C (-58° to 176° F) NANIO CCVE Certification Center Certificate # RU C-US.ГБ05.B.01185 ГOCT P MЭК 60079-0, 60079-11, 60079-1, 60079-31, ГOCT 31610.26, IEC 60079-26
  • GOST-U 1 ExdIICT6X Tamb: -56° to 85° C (-68.8° to 185° F) SVODOTSTVO #719 by DVSTS VE (TCCExEE)
  • IEC Ex Certified Ex d IIC T6 Gb Ex Tb IIIC T85° C (185° F) Db IP66 Tamb. = -50° to 80° C (-58° to 176° F) IEC 60079-0, 60079-1, 60079-31 IEC 60079-0, 60079-1, 60079-31 Certificate # IECEx UL 14.0072X
  • IEC Ex ia IIC T6 Ga Tamb. = -50° ≤ Tamb ≤ 60° C IEC 60079-0, 60079-11 Certificate # IECEx UL 14.0075X
  • INMETRO Ex d IIC T6 Gb Ex Tb IIIC T85° C Db IP66 -50° C ≤ Tamb ≤ 80° C
  • Low Voltage Directive (LVD) 2006/95/E
  • PESO Ex ia IIC T6 Ga Tamb: -50° to 60° C (-58° to 140° F) UL International Demko A/S (N.B.# 0539) Certificate # P305465 / 1 EN 60079-0, 60079-11, 60079-26
  • PED: 97/23/E
  • UL (C,US) 508 & 1203, Class I, Div. 1 & 2, Groups A, B, C, D Class II, Div. 1 & 2, Groups E, F, G Class III Class I, Zone 1, Group IIC Enclosure Typical 4X

Approvals & Certifications

  • ISO 9001

Conduit Connection

  • 1/2” NPT Male
  • M20

Cover Type

  • Cover Lock

Deadband

  • psi: 2 to 1,000 (kPa: 13.79 to 6,895, bar: 0.1 to 68.9)

Diaphragm Material

  • 316L Stainless Steel

Electrical Connectors

  • 1/2” NPT Male with 72” Leadwires
  • 4-Terminal DIN Connector (DIN 43650 Form A)
  • Common
  • Junction Box
  • M20 Metric Threads, 72” Leads

Electrical Contacts

  • Bifurcated Gold Contacts
  • Normally Closed
  • Normally Open
  • Silver

Electrical Rating

  • 1 A at 125 Vac, 1 A Resistive & 0.5 A Inductive at 28 Vdc
  • 5 A at 125/250 Vac, 5 A Resistive & 3 A Inductive at 28 Vdc

Enclosure, Body Material

  • 316 Stainless Steel

Environmental Protection

  • Flameproof
  • Intrinsically Safe
  • IP66
  • Typical 4X
  • Typical 7
  • Typical 9
  • Vibration-Proof

Mounting

  • Bracket
  • Pipe

NACE & NIST

  • NACE MR-0175 Compliant

Name Plate, Tag Material

  • Stainless Steel

NPT Connection

  • 1/2” NPT Female - Sensor Typical 5
  • 1/4” NPT Female - Sensor Typical 6
  • 1/4” NPT Male

O-Ring Material

  • Ethylene Propylene
  • Viton

Orifice Size

  • 1/2” (12.7 mm) - Sensor Typical 5
  • 1/8” (3.175 mm) - Sensor Typical 6

Overpressure & Static Pressure Limits

  • Over Range Pressure - psi: 600 to 8,000 (kPa: 4,137 to 55,160, bar: 41.4 to 551.6)

Process Connection Material

  • 316L Stainless Steel

Process Temperature

  • -18° to 160° C (0° to 320° F)

Proof Pressure

  • psi: 1,000 to 10,000 (kPa: 6,895 to 68,950, bar: 68.9 to 689.5)

Repeatability

  • Set Point Repeatability: ± 1 % of Adjustable Range

SAE Connection

  • 7/16”-20 SAE Female - Sensor Typical 6

Service

  • Oxygen Service Cleaned in Accordance with ASTM G93, Verification Typical 1, Tests 1 through 3

Set Point - Decreasing

  • bar: 0.6 to 413.7
  • kPa: 62.05 to 41,370
  • psi: 9 to 6,000

Set Point - Increasing

  • bar: 0.6 to 413.7
  • kPa: 62.05 to 41,370
  • psi: 9 to 6,000

Shock

  • Set Point Repeats after 75 G, 10 milliseconds

Storage Temperature

  • -50° to 80° C (-58° to 176° F)

Switch Type

  • One SPDT, Hermetically Sealed
  • Two SPDT for DPDT Action, Hermetically Sealed

System Pressure

  • bar: 41.37 to 551.6
  • kPa: 4,137 to 55,158
  • psi: 600 to 8,000

Vibration

  • Set Point Repeats after 15 G, 10 to 2000 Hz

Documentation

Catalogs

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