德国naval节流阀naval焊接式球阀中国上海代理商是芬兰一家专门制造球阀的厂家。Naval始于1970年，于芬兰设厂。德国naval节流阀naval焊接式球阀中国上海代理商-上海云谨机械有限公司。
Naval球阀的特点：
全焊接结构；
重量轻；
易操作；
节约空间的设计；
很容易安装，操作方便；
不需维护；
使用寿命长；
双向密封
两个方向都是A级EN 12266 - 1标准；
德国naval节流阀naval焊接式球阀中国上海代理商*低压力损失,减少输送成本；
高强度材料；
不锈钢或镀不锈钢球。
Solution for
for shut-off and balancing purposes in heating and cooling systems (HVAC/R)
Available
in sizes from DN 15 to DN 300
德国naval节流阀naval焊接式球阀中国上海代理商
with welded connections (recommended) according to EN (DIN)
available also with flanged connections
Characteristics
fully welded construction
light weight
easy to insulate
space saving design
easy to install
easy to operate
maintenance-free
Naval球阀 naval节流阀 naval平衡阀
naval执行器 naval焊接式球阀 Balancing valves
long service life
total bi-directional tightness = EN 12266-1 rate A in both directions
high Kv-value (minimum pressure loss, minimized pumping costs)
high-strength materials capable to withstand variable water qualities
spring loaded PTFE ball seals
blow-out safe stem construction
stem sealing with double o-rings
combined balancing and shut-off functionality in one single valve
Vexve welding/welding, EN (DIN)
DN10-250