This standard specifies the terminology, product classification, technical requirements, test methods, inspection rules, marking, packaging and transportation of emergency ammonia vents for ammonia refrigeration devices. This standard applies to emergency ammonia drainers for ammonia refrigeration devices.
JB/T 7658.12-1995 history
2006JB/T 7658.12-2006 Accessorial equipment for ammonia refrigeration system Part 12: Urgent relief
1995JB/T 7658.12-1995 Emergency ammonia release device for ammonia refrigeration plant