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Introduction
The Yokogawa F9341JP O-Ring is a precision sealing component used in Yokogawa DPharp pressure transmitters (EJA/EJX series). It is designed to provide a reliable pressure-tight seal between transmitter housing sections, ensuring measurement stability and protection of internal electronic and sensing elements.
Although it is a small consumable part, it plays a critical role in maintaining instrument accuracy, environmental sealing, and long-term operational reliability in industrial process control systems.
This O-ring is commonly found in transmitter assemblies used in oil & gas, chemical processing, and power generation applications where leakage prevention and environmental resistance are essential.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Yokogawa |
| Part Number | F9341JP |
| Product Type | O-Ring (Sealing Component) |
| Material | NBR (Buna-N / Nitrile Rubber) |
| Application | Pressure transmitter housing sealing |
| Compatible Series | Yokogawa DPharp EJA / EJX series |
| Function | Prevents gas/liquid leakage & maintains enclosure integrity |
| Temperature Range | -40°C to +100°C (typical NBR grade) |
| Pressure Resistance | Suitable for industrial transmitter pressure housings |
| Chemical Resistance | Good resistance to oil, water, and mild chemicals |
| Installation Position | Transmitter case / cover sealing groove |
| Maintenance Type | Replaceable consumable sealing part |
| Weight | ~0.01–0.05 kg (very light component) |
| Dimensions | Model-specific (transmitter-dependent fit) |
