6300M Magnetel Rough Rider LP/NH3
Gauge for LP/NH3 Service for Bobtails and Transports
Application
The M6300 series Magnetel® Rough Rider® gauges were designed to withstand the vibration and shock inherent in mobile service. Their service life in both on-highway and off-road transports, carrying liquids ranging from LP-gas to crude oil, is un-surpassed. These gauges allow a continuous reading between 5% and 95% of tank contents.
General Information & Features
The Magnetel® Rough Rider® gauges are to be installed in the side or end of mobile tanks at the centerline. They are equipped with an exclusive spring controlled shock absorber on the float arm which substantially reduces the stress that quickly destroys conventional gauges. Angle mounting gauges are also available.
The M6339 incorporates a 4″ [100 mm] fluorescent R3D® Remote Ready Dial. Dial illumination for 4” fluorescent dials is possible when used with the MR Light Module (sold separately). The M6342 incorporates a standard 8″ [200 mm] dial. Other dial options are available for both M6339 and M6342. Refer to the Dial Options chart.
Price list M6300 includes information on materials of construction, available options, and sales and pricing policy.
The Magnetel® Rough Rider® gauges are designed for working pressures ranging from atmospheric to 450 [31 Bar] psig.
Documents
Data Sheet
Product Competitive Analysis
MS-508 Machining Standards
115-820 Installation Guide
Accessories
Adapters 22 Series – Magnetel® Forged Steel
Illuminated MR Module Cover


Dial Options
| Part # | Description |
|---|---|
| 5APKS03045 | 4” R3D® Fluorescent Dial |
| 5ARXS03045 | 4″ Fluorescent Dial |
| 5ANTS03047 | 4” R3D® Silver & Black Dial |
| 5137S03047 | 4” Silver & Black Dial |
| 5ANGS03044 | 8” R3D® Silver & Black Dial |
| 5ARYS03066 | 8″ Fluorescent Dial |
| 5ARWS03066 | 8” R3D® Fluorescent Dial |
| 5015S00481 | 8” Silver & Black Dial |
| 0023S00031 | MR Light Module for 4” R3D® Fluorescent Dial |


When Ordering Specify:
1. Liquid to be gauged and specific gravity.
2. Inside diameter of tank heads: ellipsoidal, semi-ellipsoidal or hemispherical.
3. Complete model number desired from price list 6300 (example M6342-11).
4. Prefix letters for available options fromprice list 6300.
5. If a dial other than standard are required, furnish drawing and/or details.
6. Furnish tank drawings whenever ordering gauges for angle-mounting or for installation in vertical tanks.
7 If tank mounting flange is required, order separately from chart above.
*Materials and specifications are subject to change without notice. Pressure ratings subject to change due to temperature and other environmental considerations.
U.S. Patents
9,304,027
Accuracy
Accuracy of Magnetel gauge dial indication estimated ±10% as a percent of full scale. Accuracy depends upon proper gauge sizing. Accuracy may be less for some tank shapes and sizes. Accuracy may be less near full and empty. Accuracy may be less if tank is not level. This gauge is not to be used for filling.
Caution: This gauge is not a substitute for an automatic overfill prevention device, which may be required for filling. This gauge is not to be used as an unattended means of determining tank overfilling. This document does not provide instructions for tank filling. Periodic annual operability checks may be required which are necessary to detect gauge malfunctions and/or inaccurate gauge readings. Gauge accuracy depends upon proper gauge sizing and installation. Release of tank contents as well as damage and safety hazard may result if tank is overfilled. Fuel exhaustion may occur if tank contents are less than indicated.
Precaution for LPG and NH3: Accurate measurement of Liquefied-Petroleum Gas (LPG), or Anhydrous Ammonia (NH3), requires converting a volume measured at an observed temperature to the volume at a standard base temperature of 60°F. LP Gas is usually a mixture of propane, butane and possibly other gases, so the conversion factor is usually determined from a chart when the specific gravity of the LP Gas is at 60°F is known.
Product Inquiry - 6300M Magnetel Rough Rider LP/NH3
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For Magnetel® Gauges

