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Product Overview:
1. Pressure/differential pressure transmitters are typically used in the oil, petrochemical, and chemical industries to measure liquid, gas, and steam flow rates as well as liquid levels in tanks.
2. Yokogawa will continue to make enhancements to its sensor and analyzer lineup with the aim of strengthening sales and capturing the No.1 share of the global sensor market.
Product features and benefits
1. Multi-sensing
2. High-speed response
3. Compact/lightweight design with a larger indicator
4. Safety standard compliance/certification
Applications:
Measurement of pressure and flow rate of liquid, gas, and steam; measurement of liquid level, including hydrostatic tank gauging.
Model and suffix codes:
| Model | Suffix Codes | Description |
| EJA220A | Flange-mounted differential pressure transmitter (Extended diaphragm type) | |
| Output Signal | D | 4 to 20 mA DC with digital communication (BRAIN protocol) |
| E | 4 to 20 mA DC with digital communication (HART protocol, refer to GS 01C22T01-00E) | |
| G | Digital communication (PROFIBUS PA protocol, refer to GS 01C22T03-00E) | |
| Measurement span (capsule) | M | 1 to 100 kPa {100 to 10000 mmH2O} {4 to 400 inH2O} {10 to 1000 mbar} |
| H | 5 to 500 kPa {0.05 to 5 kgf/cm2} {20 to 2000 inH2O} {50 to 5000 mbar} | |
| High pressure side (Process flange side) wetted parts material*1 5 | [Diaphragm] [Pipe] [Others] | |
| S | SUS316L SUS316 SUS316*8 | |
| W | Hastelloy C-276*6 SUS316 SUS316*8 | |
| Process flange rating | J1 | JIS10K |
| J2 | JIS20K | |
| A2 | ANSI Class 300 P2 . . . . . . . . . . JPI Class 300 | |
| D2 | DIN PN10/16 | |
| D4 | DIN PN25/40 | |
| Diaphragm extension length (X2) | 2 | X2=50 mm |
| 4 | X2=100 mm | |
| 6 | X2=150 mm | |
| Process flange size/material | G | 4-inch (100 mm) / S25C |
| H | 4-inch (100 mm) / SUS304*9 | |
| J | 4-inch (100 mm) / SUS316*10 | |
| D | 3-inch (80 mm) / S25C | |
| Low pressure side process connection | 0 | without process connector (Rc1/4 female on the cover flanges) |
| 1 | with Rc1/4 female process connector | |
| 2 | with Rc1/2 female process connector | |
| Bolts and nuts material | A | SCM435 |
| B | SUS630 | |
| C | SUH660 | |
| Installation | 9 | Horizontal impulse piping type, left side high pressure |
| Electrical connection | 0 | G1/2 female, one electrical connection |
| 2 | 1/2 NPT female, two electrical connections without blind plug | |
| 3 | Pg 13.5 female, two electrical connections without blind plug | |
| C | 1/2 NPT female, two electrical connections and a SUS316 blind plug | |
| Integral indicator | D | Digital indicator |
| E | Digital indicator with the range setting switch*4 | |
| Optional codes | Optional specification | |
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Xi`an Ao Xin Automation Instrument Co., Ltd., is located in Xi`an city which is the authoritive centre of instrument and gauge .It is cooperated with many related domestic cooperation to research ,sale and service and also obtained the cert of ISO9001-2008. overall strength of the industry 's leading domestic well-known enterprises .Over the years, the company under the "integrity, innovation , development and harmony " principle of service .
Website:http://www.aosoonyb.com
TEL:+86-029-86691808
+86-029-84381810
Email:xaaxyb@126.com
Email:wsb2828@126.com
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