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646DCE1

Series: 646DCE Series Pressure Switch Brand: Custom Control Sensors, LLC

CCS DUAL-SNAP Differential Pressure Switch, Haz. Area, 1/2" NPT 300 SST Welded Port & Diaphragm

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Description
  • Adjustable Set Point Range
    • Increasing
      • psid  1.2 - 18
      • kPa   8.3 - 124.1
      • bar    0.083 - 1.24
    • Decreasing
      • psid  0.4 - 17.2
      • kPa    2.8 - 118.5
      • bar    0.028 - 1.19
  • Deadband - Approximate: 0.8 psi, 5.51 kPa, 0.055 bar
  • System Pressure - Maximum: 400 psig, 2757.90 kPa, 28 bar
  • Proof Pressure
    • Both Ports: 1300 psig, 8963 kPa, 89 bar
    • High: 1300 psig, 8963 kPa, 89 bar
    • Low: 750 psig, 5171.07 kPa, 52 bar
  • Wetted Materials 
    • Pressure Port 
      • 1/2" FNPT High Side
      • 1/4" FNPT Low Side
      • 300 Stainless Steel Welded Capsule
    • Diaphragm
      • Inconel
  • Relay: SPDT
  • UL, CSA
    • Explosion Proof - Class 1, Div/Zone 1, Groups A, B, C and D
  • CE Mark
  • Adjustable Set Point Range
    • Increasing
      • psid  1.2 - 18
      • kPa   8.3 - 124.1
      • bar    0.083 - 1.24
    • Decreasing
      • psid  0.4 - 17.2
      • kPa    2.8 - 118.5
      • bar    0.028 - 1.19
  • Deadband - Approximate: 0.8 psi, 5.51 kPa, 0.055 bar
  • System Pressure - Maximum: 400 psig, 2757.90 kPa, 28 bar
  • Proof Pressure
    • Both Ports: 1300 psig, 8963 kPa, 89 bar
    • High: 1300 psig, 8963 kPa, 89 bar
    • Low: 750 psig, 5171.07 kPa, 52 bar
  • Wetted Materials 
    • Pressure Port 
      • 1/2" FNPT High Side
      • 1/4" FNPT Low Side
      • 300 Stainless Steel Welded Capsule
    • Diaphragm
      • Inconel
  • Relay: SPDT
  • UL, CSA
    • Explosion Proof - Class 1, Div/Zone 1, Groups A, B, C and D
  • CE Mark
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Specifications

Brand

Adjustment Type

  • Field Adjustable

Approvals & Certifications

  • ATEX
  • CE
  • CRN - Canadian Registration Number
  • CRN - Alberta
  • CRN - British Columbia
  • CRN - Manitoba
  • CRN - N.W. Territories
  • CRN - Saskatchewan
  • CSA
  • cUL
  • Dual Seal
  • EMC
  • LVD
  • PED
  • RoHS
  • RTN
  • UL

Deadband, Approximate

  • bar: 0.103 to 0.414
  • kPa: 10.4 to 41.3
  • psi: 1.5 to 6

Diaphragm Material

  • Stainless Steel

Electrical - Free Leads

  • 18" (45 cm) Free Leads
  • 18" (45 cm) Teflon Leadwire

Electrical Assembly

  • Hermetic Seal

Electrical Certification

  • ATEX - Baseefa Certified for Potentially Explosive Atmospheres. Models 646**Y, II 2 GD Ex d IIC, Ex Tb IIIC, Baseefa 05-ATEX-0011X. (Option Y)
  • cUL, UL/CSA, Hazardous Areas, Div. 1, 2

Electrical Connectors

  • 1/2" NPT Male

Electrical Contacts

  • Gold
  • Silver

Electrical Rating

  • 1 A at 125 Vac, 50/60 Hz
  • 11 A at 125/250 Vac Resistive, 5 A at 28 Vdc, 0.5 A at 125 Vdc
  • 15 A at 125/250/480 Vac Resistive, 0.5 A at 125 Vdc, 0.2 A at 250 Vdc

Enclosure, Body Material

  • Aluminum

Environmental Protection

  • Hazardous Area
  • IP54
  • IP66
  • NEMA 13
  • NEMA 4, 7, 9, 13 / IP54, 66
  • NEMA 7
  • NEMA 9

NACE & NIST

  • NACE MR-0175: 2003

NPT Connection

  • 1/2" NPT Female Welded Diaphragm - Internal with Port Cavity

O-Ring Material

  • Ethylene Propylene (EPR)
  • Viton

Operating Temperature

  • -40° to 86° C (-40° to 187° F)

Process Connection Material

  • 316 Stainless Steel

Proof Pressure - Both Ports

  • bar: 69
  • kPa: 6,895
  • psig: 1,000

Proof Pressure - High Over Low

  • bar: 69
  • kPa: 6,895
  • psig: 1,000

Proof Pressure - Low Over High

  • bar: 34.5
  • kPa: 3447
  • psig: 500

Service

  • Sour (Oil & Gas)

Set Point - Decreasing

  • bar: 0.035 to 4.78
  • kPa: 3.5 to 475.7
  • psid: 0.5 to 69

Set Point - Increasing

  • bar: 0.138 to 5.2
  • kPa: 13.8 to 124.1
  • psid: 2 to 75

Switch Type

  • DPDT
  • SPDT

System Pressure

  • bar: 52
  • kPa: 5,171
  • psig: 750
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