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This Standard provides performance and safety requirements for handheld screw and pipe extractors that are intended specifically for removing broken screws, pipes, bolts, studs, and fittings from threaded openings. It is intended to cover only those designs that require striking of the extractor to seat it properly in the broken pipe or fastener being removed. This Standard, therefore, does not cover designs that do not require striking, such as the ground thread extractor. The Standard is intended to serve as a guide in selecting, testing, and using the hand tools covered. It is not the purpose of this Standard to specify the details of manufacturing. The Standard is also meant to serve as a guide in developing manuals and posters for training personnel in safe practices. This Standard may be used as a guide by state authorities or other regulatory bodies in the formulation of laws or regulations.

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This Standard for cast iron threaded drainage fittings covers: (a) sizes and method of designating openings in reducing fittings (b) marking (c) material (d) dimensions and tolerances (e) threading (f) ribs (g) coatings (h) face bevel. This Standard covers fittings intended for use in gravity drainage systems subject only to the gravity head of waste liquids at temperatures from ambient to approximately 100C (212F). The use of this Standard for pressurized waste handling systems is the responsibility of the user and is subject to the requirements of any applicable code.

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This Standard for Ferrous Pipe Plugs, Bushings, and Locknuts with Pipe Threads covers:

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This Standard covers types, sizes, materials, dimensions, tolerances, and markings for nonmetallic flat gaskets. These gaskets are dimensionally suitable for use with flanges described in the referenced flange standards.

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定价： 95元 加购物车