ENAR
Industrial
351A Extension Hoses
The 351A Extension Hoses allow gas sampling from difficult-to-access locations like manholes and storage tanks. They securely attach to the inlet of GV-100/GV-110 sampling pumps and enable accurate downward measurement at a distance. For twin-tube configurations, additional accessories such as guard rubbers (No. 358 and No. 359) are available. Note: these hoses are not compatible with Oxygen Detector Tube No. 31B.
Key Features
- Remote sampling up to 30 m via 5 m, 10 m, and 30 m options.
- Easily connects to GV-100 / GV-110 pumps—no tools required.
- Flexible synthetic rubber construction allows maneuvering through tight spaces.
- Supports twin-tube use with optional hose guard rubber (No. 358/359).
Technical specifications
| Parameter | Value |
|---|---|
| 351A-5 | 5 meters |
| 351A-10 | 10 meters |
| 351A-30 | 30 meters |
Notes
- Suitable for remote downward sampling in confined settings.
- Not compatible with Oxygen Detector Tube No. 31B.
- For twin-tube operation, use guard rubbers No. 358 (existing tip) or No. 359 (replacement).
How to Use 351A Extension Hoses
Attach Hose
01- Securely attach the extension hose to your GV-100 or GV-110 sampling pump's inlet.
Sample Remotely
02- Position the hose tip into the targeted confined space (e.g., manhole, tank) for sampling.
Monitor & Replace
03- After sampling, inspect the hose tip.
- If needed (for twin-tube setups), replace the rubber guard using accessory No. 359.
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