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JB/T 7227-1994 Composite heat source heat pump type screw chiller
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This standard specifies the terminology, product classification, technical requirements, test methods, inspection rules, marking,
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB/T 7226-1994 Heat exchange tubes for freon condensation
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This standard specifies the type, basic parameters, technical requirements, packaging, marking and other requirements of heat exch
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB/T 7225-1994 Heater
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This standard specifies the types and basic parameters, technical requirements, test methods, inspection rules, marking, packaging
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB/T 7224-1994 Technical requirements for air inlet heating units
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This standard specifies the technical requirements, test methods, inspection rules, marking, packaging and storage of air-inlet he
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB/T 7223-1994 Two-position three-way solenoid valve for small refrigeration system
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This standard specifies the type and basic parameters, technical requirements, test methods, inspection rules, marking, packaging
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB/T 7222-1994 Large-scale ammonia ice making equipment
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This standard specifies the types and basic parameters, technical requirements, test methods, inspection rules, marking, packaging
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB/T 7221-1994 Double-inlet centrifugal fans for unitary air conditioning units
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This standard specifies the type, basic parameters, technical requirements, test methods, inspection rules, marking, packaging and
2024-10-03 category：Machinery Industry Standard (JB)+ View
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JB/T 7220-1994 Scraper discharge centrifuge
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This standard replaces JB 446-83 and JB 3202-83. This standard specifies the type and basic parameters, technical requirements, te
2024-10-03 category：Machinery Industry Standard (JB)+ View
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