BS EN 331:1998 建筑物燃气供应设备用手动球阀和密封底部锥体旋塞阀
1 This European Standard specifies the general requirements for the construction, performance and safety of ball valves and closed bottom taper plug
Manually operated ball valves and closed bottom taper plug valves for gas installations in buildings
DS/EN 331/A1:2011 建筑物燃气装置用手动球阀和封闭式底部锥形旋塞阀
Replace the second paragraph of clause 1.1 with the following:""""It applies to metallic valves for domestic and commercial not directly buried
Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings
DS/EN 331:1998 建筑物燃气装置用手动球阀和封闭式底部锥形旋塞阀
This European standard specifes the general requirements for the construction, performance and safety of ball valves and closed bottom taper plug
Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings
LST EN 331-2000/A1-2011 建筑物燃气装置用手动球阀和封闭式底部锥形旋塞阀
Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings
LST EN 331-2000 建筑物燃气装置用手动球阀和封闭式底部锥形旋塞阀
Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings
GOST 34609-2019 建筑物燃气装置用手动球阀和封闭式底部锥形旋塞阀
Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings
EN 331:2015 用于建筑物燃气设备的手动球阀和封闭底锥形旋塞阀
This European Standard specifies the characteristics for the construction, performance and safety of ball valves and closed bottom taper plug valves
Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings
UNE-EN 331:2016 用于建筑物燃气装置的手动球阀和封闭式底部锥形旋塞阀
Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings
DIN EN 331:2016-04 用于建筑物燃气装置的手动球阀和闭底锥形旋塞阀
Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings; German version EN 331:2015
BS EN 331:2015 跟踪更改 用于建筑物燃气装置的手动球阀和封闭式底部锥形旋塞阀
Tracked Changes. Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings
NF E29-139/A1:2013 建筑物气体装置用手动球阀和封闭式底锥塞阀
Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings
NF E29-139*NF EN 331:2016 建筑物气体装置用手动球阀和封闭式底锥塞阀
Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings
BS EN 331:1998+A1:2010 建筑物燃气设备用人工操纵球阀和封闭底锥形旋塞阀.
1.1 This European Standard specifies the general requirements for the construction, performance and safety of ball valves and closed bottom taper
Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings
EN 331:1998 建筑物燃气设备用人工操纵球阀和封闭底锥形旋塞阀
This European Standard specifies the general requirements forThe construction, performance and safety of ball valves and closed bottom taper plug
Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings (Incorporates Amendment A1: 2010)
0 建筑物气体装置用手工操作的球阀和封闭底锥形旋塞阀
BS EN 331:1998 建筑物燃气供应设备用手动球阀和密封底部锥体旋塞阀
1 This European Standard specifies the general requirements for the construction, performance and safety of ball valves and closed bottom taper plug
Manually operated ball valves and closed bottom taper plug valves for gas installations in buildings
DS/EN 331/A1:2011 建筑物燃气装置用手动球阀和封闭式底部锥形旋塞阀
Replace the second paragraph of clause 1.1 with the following:""""It applies to metallic valves for domestic and commercial not directly buried
Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings
DS/EN 331:1998 建筑物燃气装置用手动球阀和封闭式底部锥形旋塞阀
This European standard specifes the general requirements for the construction, performance and safety of ball valves and closed bottom taper plug
Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings
LST EN 331-2000/A1-2011 建筑物燃气装置用手动球阀和封闭式底部锥形旋塞阀
Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings
LST EN 331-2000 建筑物燃气装置用手动球阀和封闭式底部锥形旋塞阀
Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings
GOST 34609-2019 建筑物燃气装置用手动球阀和封闭式底部锥形旋塞阀
Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings
EN 331:2015 用于建筑物燃气设备的手动球阀和封闭底锥形旋塞阀
This European Standard specifies the characteristics for the construction, performance and safety of ball valves and closed bottom taper plug valves
Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings
UNE-EN 331:2016 用于建筑物燃气装置的手动球阀和封闭式底部锥形旋塞阀
Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings
DIN EN 331:2016-04 用于建筑物燃气装置的手动球阀和闭底锥形旋塞阀
Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings; German version EN 331:2015
BS EN 331:2015 跟踪更改 用于建筑物燃气装置的手动球阀和封闭式底部锥形旋塞阀
Tracked Changes. Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings
NF E29-139/A1:2013 建筑物气体装置用手动球阀和封闭式底锥塞阀
Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings
NF E29-139*NF EN 331:2016 建筑物气体装置用手动球阀和封闭式底锥塞阀
Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings
BS EN 331:1998+A1:2010 建筑物燃气设备用人工操纵球阀和封闭底锥形旋塞阀.
1.1 This European Standard specifies the general requirements for the construction, performance and safety of ball valves and closed bottom taper
Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings
EN 331:1998 建筑物燃气设备用人工操纵球阀和封闭底锥形旋塞阀
This European Standard specifies the general requirements forThe construction, performance and safety of ball valves and closed bottom taper plug
Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings (Incorporates Amendment A1: 2010)
0 建筑物气体装置用手工操作的球阀和封闭底锥形旋塞阀
编辑：北检院编辑部
