JB/T 8864-2018

Technical conditions of valve pneumatic device

    This standard specifies the terms and definitions, technical requirements, test methods, inspection rules, marking, packaging and storage of valve pneumatic devices.



This standard is applicable to working pressure 0.4MPa ~ 0.7MPa; working environment temperature -20 C ~ +60; air or dry air or nitrogen, or other compressible gases (not containing corrosive gases, solvents or other liquids); a straight line pneumatic device for linear motion and angle of rotation motion. A stroke pneumatic device.
This standard does not apply to the film type pneumatic device.

JB/T 8864-2004

2018-12-01

JB/T 13458-2018

Insulation jacket valve

This standard specifies the terms and definitions, structural types, technical requirements, thermal insulation jacket materials, test and inspection methods, inspection rules, signs and supply requirements.



This standard is suitable for the insulation jacket gate valve, cut-off valve, check valve, ball valve and butterfly valve for nominal pressure PN16 ~ PN160 (Class150 ~ Class900) and nominal size DN15 to DN600 (NPS1/2 to NPS24).
Other specifications and types of thermal jacketed valves can be referenced.

2018-12-01

JB/T 13459-2018

Copper floater type automatic exhaust valve

    This standard stipulates the structure type, technical requirement, material, test and inspection method, test rules, marking and protection, packing and storage and transportation of the copper floater type automatic exhaust valve.
This standard is applicable to the exhaust valves for heating, heating, heat pump, central air conditioning, cold water and hot water for the nominal pressure is not more than PN16, the nominal size is DN8 to DN25, the working temperature is -20 C to 110 C, the working medium is water or the concentration is less than 30% of glycol solution.

2018-12-01

JB/T 13460-2018

Axial flow check valve for liquefied natural gas

    This standard stipulates the structure type, technical requirement, inspection and test method, inspection rules, marking and protection, packing and storage and transportation of the axial flow check valve of liquefied natural gas.

This standard is applicable to the nominal pressure PN16 ~ PN250 (Class150 ~ Class1500), nominal size DN50 to DN600 (NPS2 to NPS24), flanges of working medium as liquefied natural gas and axial flow check valves connected by welding.

Other cryogenic axial check valves with temperatures above -162 degrees can also be referenced.