TNG mechanical seal type 21 designed used in Water and waste water technology industry, Process pumps, Industrial pumps,Petroleum chemical industry and ther Rotating Equipment
Shaft diameter: d1=8...80mm(0.375'' ...3.000'')
Pressure: p=0...1.0Mpa（145psi）
Temperature: t = -20 °C ...150 °C(-4°F to 302°F)
Sliding velocity: Vg≤13m/s（42.6ft/m）
