Product Description
Part Number: EJA438E-JASCJ-917DB-WA22C1SW00-BA25
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 | J | B7 carbon steel |
| 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 | -B | For low temperature use (ethylene glycol) Process temperature: ?C30 to 180??C Ambient temperature: ?C15 to 60??C |
| Capillary connection | A | Side of diaphragm seal unit |
| 2 | Always 2 | |
| Capillary length(8) | 5 | 5 m |
The ??*?? marks indicate the most typical selection for each specification.
- HART 5 or HART 7 is selectable. Specify upon ordering
- Material of a blind plug; aluminum alloy for code 5 and 9, and SUS304 for code 7.
- Not applicable for output signal code G.
- Forged version of the material may be used.
- See table 3 ??Gasket contact surface?? on page 5.
- 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. - When specified flushing connection ring code A or B, exclusive gasket is provided for transmitter side.
- 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.
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.
NOTE: This item has been upgraded from EJA438W-EASA2CA-BA05-97DA
- Estimated Lead Time: 5 - 6 Months
- Shipping Weight: 10 Kg
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