机械密封用碳化硼密封环技术条件
Specification for boron carbide rings of mechanical seal
2011-05-18
JB/T 6374-2020
机械密封用碳化硅密封环 技术条件
Silicon carbide rings of mechanical seal -Specification
2020-08-31
JB/T 6372-2011
机械密封用堆焊密封环技术条件
Specification for surfacing sealing ring of mechanical seal
2011-05-18
JB/T 7757-2020
机械密封用O形橡胶圈
The rubber O-ring for mechanical seal
2020-08-31
HG/T 2100-2020
液环式氯气泵用机械密封
Mechanical seals for liquid-ring chlorine pumps
2020-04-16
HG/T 2044-2020
机械密封用喷涂氧化铬密封环技术条件
Specifications of plasma sprayed chromium oxide coated seal rings for mechanical seals
2020-04-16
JC/T 2402-2017
船舶用液相烧结碳化硅陶瓷密封环
Liquid-phase sintered silicon carbide ceramics seal ring for ships
2017-04-12
DIN EN 911
Elastomeric sealing ring type joints and mechanical joints for thermoplastics pressure piping - Test method for leaktightness under external hydrostatic pressure
塑料管道系统.热塑性压力管道用弹性密封环型接头和机械接头.外部静水压力下密封性的试验方法；德语版本EN 911:1995
1995-09-01
UNE-EN 911-1996
PLASTICS PIPING SYSTEMS. ELASTOMERIC SEALING RING TYPE JOINTS AND MECHanical joints for thermoplastics pressure piping. Test method for leaktightness under external hydrostatic pressure.
塑料管道系统 热塑性压力管道用弹性密封环式接头和机械接头 外部静水压力下密封性的试验方法