定价： 38元 加购物车

This Standard is a design and specification standard that covers metallic centrifugal pumps of vertical shaft single-stage design with suction and discharge nozzles in-line. This Standard includes dimensional interchangeability requirements and certain design features to facilitate installation and maintenance and enhance reliability and safety of B73.2 pumps. It is the intent of this Standard that pumps of the same standard dimension designation from all sources of supply shall be interchangeable with respect to mounting dimensions, size, and location of suction and discharge nozzles. Maintenance and operation requirements are not included in this Standard.

定价： 60元 加购物车

his Standard covers sealless centrifugal pumps of horizontal end suction single stage and centerline discharge design. This Standard includes dimensional interchangeability requirements and certain design features to facilitate installation and maintenance. It is the intent of this Standard that pumps of the same standard dimensional designation from all sources of supply shall be interchangeable with respect to mounting dimensions, size, and location of suction and discharge nozzles, input shafts, baseplates, and foundation bolt holes (see Tables 1, 2, 3, and 4).

定价： 49元 加购物车

This Standard is intended to establish uniform practices for the measurement of thread measuring wires. The standard includes methods for the direct measurement of both master and working wires, and methods for the comparsion measurement of working wires. The standard includes requirements for geometric qualities of thread measuring wires, the important characteristics of the comparison equipment, environmental conditions, and the means to ensure that measurements are made with an acceptable uncertainty level. Wires covered by the standard include inch series 60-deg, 20-deg Acme, 7/45-deg Buttress, and metric 60-deg threads.

定价： 36元 加购物车

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定价： 247元 加购物车

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Includes Addenda: Winter 1968, Summer 1969, Winter 1969, Summer 1970, Winter 1970

定价： 395元 加购物车

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Code Cases are approved exceptions or alternatives to Code rules. They include specific requirements that, when fully and correctly implemented, help users achieve continued quality and safety. Code Cases are not mandatory but may be used for Code compliance by any user. The majority of Code Cases involve new materials, but many introduce new technologies and concepts, such as nondestructive examination and welding processes, updated design and fabrication methods, and streamlined rules for inspection and quality assurance.

定价： 1045元 加购物车

Code Cases are approved exceptions or alternatives to Code rules. They include specific requirements that, when fully and correctly implemented, help users achieve continued quality and safety. Code Cases are not mandatory but may be used for Code compliance by any user. The majority of Code Cases involve new materials, but many introduce new technologies and concepts, such as nondestructive examination and welding processes, updated design and fabrication methods, and streamlined rules for inspection and quality assurance.

定价： 1045元 加购物车