更新時(shí)間：2017-03-19
naval是芬蘭一家專(zhuān)門(mén)制造球閥的廠家。Naval始于1970年，于芬蘭設(shè)廠。*naval焊接球閥naval ball valve。
*naval焊接球閥naval ball valve
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)
DN700-800 *naval焊接球閥naval ball valve
welding/welding, GOST vexve
DN10-250
DN300-600
DN700-800
Vexve female threads/welding, EN (DIN)
naval節(jié)流閥 naval平衡閥 naval執(zhí)行器 naval焊接式球閥 Balancing valves
