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Product 819/1455

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EJA438E-JASCC-917DB-WA22C1SW00-EA24/NS21/X2/D3/C3/M2W/T53 New Yokogawa EJA438E Diaphragm Sealed Differential Pressure Transmitter

EJA438E-JASCC-917DB-WA22C1SW00-EA24/NS21/X2/D3/C3/M2W/T53 New Yokogawa EJA438E Diaphragm Sealed Differential Pressure Transmitter

$3,298.00  $1,616.00
Save: 51% off


Part Number: EJA438E-JASCC-917DB-WA22C1SW00-EA24/NS21/X2/D3/C3/M2W/T53
Model: EJA438E Diaphragm Sealed Differential Pressure Transmitter
Brand: Yokogawa
Condition: New & Original in Factory Packing
Factory Warranty: 12 Months

Ordering Information

Model EJA438E Diaphragm sealed gauge pressure transmitter
Output signal -J 4 to 20 mA DC with digital communication (HART 5/HART 7 protocol)(1)
Measurement span (capsule) A 0.06 to 3.5 MPa (8.6 to 500 psi)
S Always S
C Always C
Coverflange bolts and nuts material C 660 SST
Installation -9 Horizontal piping type and left side high pressure
Amplifier housing 1 Cast aluminum alloy
Electrical connection 7 1/2 NPT female, two electrical connections with a blind plug(2)
Integral indicator D Digital indicator(3)
Mounting bracket B 304 SST 2-inch pipe mounting, flat type (for horizontal piping)
Process connection style -W Flush type
Flange rating A2 ANSI class 300
Process connection size (Process flange size) 2 2-inch (50 mm)
Flange material C 316 SST(4)
Gasket contact surface(5) 1 Serration (for ANSI flange with wetted parts material SW only)
Wetted parts material(6) SW Diaphragm: 316L SST
Others: 316L SST
Flushing connection ring(7) *0 Ring: None
Vent/Drain plugs: -
Material: -
Extension 0 None
Fill fluid -E For low temperature use (ethylene glycol)
Process temperature: ?C50 to 100??C
Ambient temperature: ?C40 to 60??C
Capillary connection A Side of diaphragm seal unit
2 Always 2
Capillary length(8) 4 4 m
/NS21
Painting /X2 Coating change: Anti-corrosion coating(9)
Calibration units(10) /D3 bar calibration (bar unit)
Output limits and failure operation(11) /C3 NAMUR NE43 Compliant Output signal limits: 3.8 mA to 20.5 mA(12)
Failure alarm up-scale: Output status at CPU failure and hardware error is 110%, 21.6 mA or more.
Material certificate /M2W Process flange, Block
Pressure test/Leak test certificate(13)(14) /T53 For A-Capsule
Flange rating: JIS 20K, 40K, 63K
Test pressure: 3.5 MPa (500 psi)

The ??*?? marks indicate the most typical selection for each specification.
  1. HART 5 or HART 7 is selectable. Specify upon ordering
  2. Material of a blind plug; aluminum alloy for code 5 and 9, and SUS304 for code 7.
  3. Not applicable for output signal code G.
  4. Forged version of the material may be used.
  5. See table 3 ??Gasket contact surface?? on page 5.
  6. Users must consider the characteristics of selected wetted parts material and the influence of process fluids. The use of inappropriate materials can result in the leakage of corrosive process fluids and cause injury to personnel and/or damage to plant facilities. It is also possible that the diaphragm itself can be damaged and that material from the broken diaphragm and the fill fluid can contaminate the user??s process fluids.
    Be very careful with highly corrosive process fluids such as hydrochloric acid, sulfuric acid, hydrogen sulfide, sodium hypochlorite, and hightemperature steam (150??C [302??F] or above). Contact Yokogawa for detailed information of the wetted parts material.
  7. When specified flushing connection ring code A or B, exclusive gasket is provided for transmitter side.
  8. In case of wetted parts material code HW (Hastelloy C), TW (Tantalum), and UW (Titanuym) for 2-inch pressure flange, specify capillary length from 1 to 5 m.
  9. Not applicable with color change option. Not applicable for amplifier housing code 2.
  10. The unit of MWP (Max. working pressure) on the name plate of a housing is the same unit as specified by option code D1, D3, and D4.
  11. Applicable for output signal code D and J. The hardware error indicates faulty amplifier or capsule.
  12. The 1 to 5 V voltage output corresponding to 4 to 20 mA current output is applied to output signal code Q which is noncompliant to NAMUR NE43.
  13. The unit on the certificate is always MPa regardless of selection of option code D1, D3, or D4.
  14. A flushing connection ring will not be applied when conducting the pressure test or leak test.

The ??#??marks indicate the construction materials conform to NACE material recommendations per MR0175/ISO 15156. Please refer to the latest standards for details. Selected materials also conform to NACE MR0103.


  • Estimated Lead Time: 6 - 8
  • Shipping Weight: 15 Kg

Add to Cart:

  • Model: EJA438E-JASCC-917DB-WA22C1SW00-EA24/NS21/X2/D3/C3/M2W/T53
  • 7 Units in Stock


Processing Time
  • Ships in 24 hours: Processing Time is guaranteed to be shorter than 24 hours.
  • Typical Processing Time: 3 - 12 days

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