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Introduction: Lap-Joint Flanges (LJF) have been used for decades. The typical polyethylene flange adapter with loose LJF is also known as a Van-Stone Flange joint. The HDPE flanged joint assembly is an engineered pressure containment connection subject to diverse forces. While simple in appearance,...
This guidance note concentrates primarily on stock rail bolts specifically (see illustration 1). The principles for effective torque application can also however be adopted for some other switch and crossing bolts. Purpose We have levels of torque prescribed in...
This specification gives the prevailing torque performance requirements for bolts with a nylon prevailing torque feature bonded to the threads. The prevailing torque feature resists fastener loosening. Service temperature: -50 °C to 120 °C.
GENERAL: A prevailing-torque bolt is one which is torsionally resistant to rotation due to a self-contained prevailing-torque feature and not because of a compressive load developed against the under head bearing surface, a tensile load developed in the shank, or frictional...
GENERAL: A prevailing-torque bolt is one which is torsionally resistant to rotation due to a self-contained prevailing- torque feature and not because of a compressive load developed against the under head bearing surface, a tensile load developed in the shank, or frictional...
Inactive- Not part of preferred global strategy. Unique identifier so not to confuse with release status level of product standards. This standard gives dimensional, material and physical properties, and performance requirements of all metal prevailing torque bolts that are in...
Purpose. To determine dynamic torque, tension, and angle characteristics of a U-bolted joint. Applicability Unless otherwise specified, this procedure applies to initial tightening event of joints using threaded fasteners with new thread and bearing surfaces and new clamped members
This part of ISO 898 specifies a torsional test for the determination of breaking torque of bolts and screws with nominal diameters 1 mm to 10 mm with property classes 8.8 to 12.9 in accordance with ISO 898-1.
This part of ISO 898 specifies a torsional test for the determination of the breaking torque of bolts and screws with nominal diameters 1 mm to 10 mm with property classes 8.8 to 12.9 in accordance with ISO 898-1. The test applies to bolts and screws with thread less than M3...
The standard tightening torque values specified herein shall apply to the tightening of standard bolts for general fastening uses in which bolts and nuts are used to give the parts to fasten initial fastening loads equivalent to the axial tension of the bolts. However,...
This specification covers chemical, dimensional, physical and mechanical requirements for quenched and tempered bolts manufactured from steel and alloy steel, in inch dimensions. The bolts are available as structural bolting assemblies which include a fixed spline bolt,...
1.1 This specification covers chemical, dimensional, physical and mechanical requirements for quenched and tempered bolts manufactured from steel and alloy steel, in inch dimensions. The bolts are available as structural bolting assemblies which include a fixed spline...
This Technical Instruction covers all BR 843 style barrier mechanisms nationwide with particular emphasis on those that may be subject to vandalism and misuse. Purpose of TI This Technical Instruction is being issued to advise Maintenance Technicians of a potential defect with the side arm...
This specification defines chemical, dimensional, physical and mechanical requirements for quenched and tempered bolts manufactured from steel and alloy steel, in inch dimensions. Structural bolting assemblies are designated as Grade 144. Bolts are designated by type denoting...
PURPOSE This Worldwide Standard provides a test method for determining the torque/clamping force performance of fastener finishes specified in WX 100 and used on ISO Metric threaded bolts, screws, studs, and nuts under standard conditions. Note: This standard is not intended for use...
