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One Piece Guard Rails

One-Piece Guard Rails are manufactured with plates integral with the guard rail, and the unit is shipped in one piece ready to install. It is not necessary to field-drill holes in the running rail and there is no separator blocks to vibrate loose. Staggered holes in the plates allow leeway for gaging guard rail with frog, and use with more than one rail section (except for Designs 751 and 752). These guard rails can be supplied level with the running rail, but a height 1/4" higher than running rail is recommended where conditions permit. In any case, the height should not be more than 1" above the top of the running rail. Some railroads specify guard rails of different heights for the same turnout, with the high guard rail to be placed on the turnout side of the frog.

Hook-Flange Guard Rails are manufactured from rail sections rolled especially for this guard rail. In these sections, one flange is lowered to fit under the base of the running rail. The standard lengths are 9'0", 11'0", 13'0" and 16'6", however other lengths can be obtained. Three different designs are available: Design 750 (shown above) has staggered holes in the plates and is adjustable as described; Design 751 (Intermediate design) and Design 752 (Heavy design) have shoulders on both sides of the plate and are not adjustable for more than one rail section.

Manganese One-Piece Guard Rails consist of a single casting of manganese steel with a reinforced head and corrugated web. They come in a variety of lengths and are marked with the year cast and the height of the guard rail.

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