*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節流閥 naval平衡閥 naval執行器 naval焊接式球閥 Balancing valves