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JB/T 5301-1991 Carbon steel ball
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This standard specifies the dimensions, tolerance grades and technical requirements of carbon steel balls. This standard applies t
2024-09-23 category：Machinery Industry Standard (JB)+ View
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JB/T 5300-1991 General valve materials
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This standard specifies the basic materials that should be used for the main parts of valves. This standard applies to valves made
1970-01-01 category：Machinery Industry Standard (JB)+ View
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JB/T 5299-1998 Hydraulic control check butterfly valve
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JB/T 5299-1998 JB/T 5299-1998 Hydraulic control check butterfly valve JB/T5299-1998 Standard download and decompression password:
1970-01-01 category：Machinery Industry Standard (JB)+ View
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JB/T 5298-1991 Steel flat gate valve for pipeline
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This standard specifies the terminology, types and basic parameters, technical requirements, test methods, inspection rules and ma
1970-01-01 category：Machinery Industry Standard (JB)+ View
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JB/T 5297-1991 Basic parameters of positive displacement natural gas compressor for petroleum industry
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This standard specifies the suction pressure, discharge pressure, volumetric flow rate and air supply volume under standard condit
1970-01-01 category：Machinery Industry Standard (JB)+ View
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JB/T 5296-1991 Test method for flow coefficient and flow resistance coefficient of general valves
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This standard specifies the test system, test procedures and calculation methods for measuring the flow coefficient and flow resis
1970-01-01 category：Machinery Industry Standard (JB)+ View
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JB/T 5294-1991 Large vertical single-stage single-suction centrifugal pump technology
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This standard specifies the technical requirements, test methods and inspection rules for large vertical single-stage single-sucti
2024-09-23 category：Machinery Industry Standard (JB)+ View
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JB/T 5290-2000 Plastic circular loom
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JB/T 5290-2000 JB/T 5290-2000 Plastic circular loom JB/T5290-2000 Standard download and decompression password: www.bzxz.net
1970-01-01 category：Machinery Industry Standard (JB)+ View
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